CN109935915B - Lamination type battery cell forming system - Google Patents
Lamination type battery cell forming system Download PDFInfo
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- CN109935915B CN109935915B CN201910310593.4A CN201910310593A CN109935915B CN 109935915 B CN109935915 B CN 109935915B CN 201910310593 A CN201910310593 A CN 201910310593A CN 109935915 B CN109935915 B CN 109935915B
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- 238000003475 lamination Methods 0.000 title claims description 58
- 239000000463 material Substances 0.000 claims abstract description 91
- 238000005520 cutting process Methods 0.000 claims abstract description 55
- 238000004519 manufacturing process Methods 0.000 claims abstract description 53
- 239000011162 core material Substances 0.000 claims abstract description 33
- 238000000465 moulding Methods 0.000 claims abstract description 29
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims description 256
- 238000013329 compounding Methods 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 25
- 238000010438 heat treatment Methods 0.000 claims description 22
- 229920002799 BoPET Polymers 0.000 claims description 21
- 239000005041 Mylar™ Substances 0.000 claims description 21
- 238000005096 rolling process Methods 0.000 claims description 18
- 239000000428 dust Substances 0.000 claims description 12
- 230000003139 buffering effect Effects 0.000 claims description 2
- 238000012797 qualification Methods 0.000 abstract description 7
- 239000012528 membrane Substances 0.000 description 20
- 230000008569 process Effects 0.000 description 20
- 238000007731 hot pressing Methods 0.000 description 17
- 210000004379 membrane Anatomy 0.000 description 12
- 238000013519 translation Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 10
- 238000003825 pressing Methods 0.000 description 10
- 238000004080 punching Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 230000002829 reductive effect Effects 0.000 description 6
- 230000003068 static effect Effects 0.000 description 6
- 230000001133 acceleration Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000012937 correction Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 210000002469 basement membrane Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a laminated type cell molding system, and relates to the technical field of battery cell manufacturing. The laminated cell molding system comprises a sheet making device, wherein the sheet making device comprises first pole piece manufacturing equipment, a diaphragm assembly and second pole piece manufacturing equipment. The diaphragm assembly comprises a middle diaphragm device and a bottom diaphragm device, wherein the middle diaphragm device is positioned between the first pole piece manufacturing device and the second pole piece manufacturing device and is used for paving a middle diaphragm material belt, and the bottom diaphragm device is positioned on one side, far away from the first pole piece manufacturing device, of the second pole piece manufacturing device and is used for paving a bottom diaphragm material belt. The first pole piece manufacturing equipment and the second pole piece manufacturing equipment are respectively used for cutting the pole piece material belt into a first pole piece and a second pole piece with fixed lengths, so that the first pole piece, the middle diaphragm material belt, the second pole piece and the bottom diaphragm material belt form an electric core material belt. The forming system has the advantages that the sheet making efficiency is improved, the isolating film is not easy to damage, the short circuit detection qualification rate of the battery cell is improved, and the precision of the battery cell is improved.
Description
Technical Field
The invention relates to the technical field of battery cell manufacturing, in particular to a laminated type cell molding system.
Background
Currently, along with the industry, lithium battery manufacturers have increasingly higher requirements on the production efficiency of batteries, the performance and the precision of batteries, and the like. However, in the manufacturing process of lithium-ion power battery cell packs in the domestic market, the molding modes of lamination type battery cells are roughly divided into two types: 1. lamination system of bag-making type cutting and lamination integrated machine; 2. lamination system of Z-shaped cutting and stacking integrated machine.
The bag making type cutting and stacking integrated machine has the following defects: the flaking efficiency is low, and the finished battery cell short circuit detection rejection rate is high. Lamination defects of the Z-shaped cutting and stacking integrated machine are as follows: the film-making efficiency is low, and the isolating film acts under tension force, so that the diaphragm is easy to break.
Disclosure of Invention
The invention aims to provide a laminated battery cell forming system which can greatly improve the sheet making efficiency.
Embodiments of the present invention are implemented as follows:
in view of the above, embodiments of the present invention provide a laminated cell molding system, including a sheet-making apparatus including a first pole piece-making device, a diaphragm assembly including an intermediate diaphragm device and an underlying diaphragm device, and a second pole piece-making device;
the middle diaphragm device is positioned between the first pole piece manufacturing device and the second pole piece manufacturing device and is used for paving a middle diaphragm material belt, and the bottom diaphragm device is positioned at one side of the second pole piece manufacturing device far away from the first pole piece manufacturing device and is used for paving a bottom diaphragm material belt;
the first pole piece manufacturing equipment and the second pole piece manufacturing equipment are respectively used for cutting the pole piece material belt into a first pole piece and a second pole piece with fixed lengths, so that the first pole piece, the middle diaphragm material belt, the second pole piece and the bottom diaphragm material belt form an electric core material belt.
In addition, the laminated cell molding system provided by the embodiment of the invention can also have the following additional technical characteristics:
in an alternative embodiment of the present invention, the first pole piece manufacturing device and the second pole piece manufacturing device each sequentially include a pole piece unreeling mechanism, a pole piece deviation correcting mechanism, a pole piece roller passing assembly, a pole piece tension control mechanism and a pole piece cutting mechanism;
the pole piece unreeling mechanism is used for installing pole piece coiled materials, so that pole piece coiled materials sequentially pass through the pole piece deviation correcting mechanism, the pole piece roller passing assembly and the pole piece tension control mechanism and then enter the pole piece cutting mechanism to be cut into pole piece units with fixed lengths.
In an alternative embodiment of the present invention, the first pole piece manufacturing device and the second pole piece manufacturing device further comprise a pole piece receiving mechanism;
the pole piece correcting mechanism comprises a first correcting mechanism and a second correcting mechanism, the first correcting mechanism is located at an output port of the pole piece unreeling mechanism, the material receiving mechanism is located between the first correcting mechanism and the pole piece passing roller assembly and used for connecting pole piece material strips of different rolls, and the second correcting mechanism is located between the pole piece tension control mechanism and the cutting mechanism.
In an alternative embodiment of the present invention, the first pole piece manufacturing device and the second pole piece manufacturing device further comprise a pole piece dust removing mechanism, and the pole piece dust removing mechanism is located between the first deviation rectifying mechanism and the pole piece roller passing assembly.
In an alternative embodiment of the present invention, the intermediate diaphragm apparatus and the bottom diaphragm apparatus each comprise a diaphragm unwind mechanism, a diaphragm correction mechanism, a diaphragm tension control mechanism, and a diaphragm transport roller assembly;
the diaphragm unreeling mechanism is used for installing diaphragm coiled materials, so that diaphragm material belts sequentially pass through the diaphragm deviation correcting mechanism, the diaphragm tension control mechanism and the diaphragm conveying roller assembly and are conveyed to the next working procedure.
In an alternative embodiment of the present invention, the molding system further includes a thermal compounding device, the thermal compounding device being located downstream of the sheet-making device, the thermal compounding device sequentially including a baking mechanism, a rolling mechanism, a buffering mechanism, and a diaphragm cutting mechanism;
and the battery cell material belt is conveyed to the baking mechanism for heating and baking, and after passing through the rolling mechanism and the buffer mechanism in sequence after being heated and baked, the diaphragm cutting mechanism cuts the battery cell material belt into battery cell units.
In an alternative embodiment of the present invention, the thermal compounding device further includes a detection mechanism, where the detection mechanism is located between the buffer mechanism and the diaphragm cutting mechanism, and is configured to perform short circuit detection on the electrical core unit on the electrical core material tape.
In an alternative embodiment of the present invention, the thermal compounding device further includes a mylar film laying mechanism including a top film laying assembly and a bottom film laying assembly;
the top film laying assembly is located above the baking mechanism and used for laying a top layer protection film for the battery cell material belt, and the bottom film laying assembly is located below the baking mechanism and used for laying a bottom layer protection film for the battery cell material belt.
In an alternative embodiment of the invention, the molding system further comprises a lamination device downstream of the thermal compounding device, the lamination device comprising a negative pressure conveyor belt, a take-off robot, and a lamination station;
the negative pressure conveyer belt is used for conveying the battery cell units to a sheet taking station, and the sheet taking manipulator is used for acquiring the battery cell units and placing the battery cell units in the sheet stacking station so as to stack battery cells with different thicknesses.
In an alternative embodiment of the present invention, the molding system further includes a hot press device, where the hot press device is located downstream of the lamination device, and the hot press device includes a hot press platform, a heating component, and a pressing mechanism, where the hot press platform is used for placing the electrical core, the heating component is used for heating the electrical core, and the pressing mechanism is located above the hot press platform and is used for pressurizing the electrical core.
The embodiment of the invention has the beneficial effects that: the sheet making device is composed of first pole piece making equipment, a diaphragm assembly and second pole piece making equipment, the first pole piece is cut into fixed length through the first pole piece making equipment and the second pole piece is cut into fixed length through the second pole piece making equipment, the first pole piece and the second pole piece are separated by the middle isolating film, the bottom isolating film is located at the lowest part, so that a battery cell material belt with a four-layer structure is formed, a pole piece cutting mechanism in the first pole piece making equipment and a pole piece cutting mechanism in the second pole piece making equipment are always kept in a constant-speed running state in the process of cutting the pole pieces, sheet making efficiency is greatly improved, the isolating film is not easy to break, the qualification rate of products is improved, the battery cells after subsequent hot pressing are integrated, the unit pieces inside the battery cells cannot be misplaced in transferring, blanking and next procedures, and the forming precision of the battery cells is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic overall flow chart of a laminated cell molding system according to the present embodiment;
fig. 2 is a front view of a film-making device in a laminated cell molding system according to an embodiment of the present invention;
FIG. 3 is a schematic view of the first pole piece forming device and the second pole piece forming device of FIG. 2;
FIG. 4 is a schematic diagram of the pole piece cutting mechanism of FIG. 3;
FIG. 5 is a schematic illustration of the intermediate membrane device and the underlying membrane device of FIG. 2;
fig. 6 is a schematic diagram of a thermal compounding device in the laminated cell molding system according to the present embodiment;
FIG. 7 is a schematic view of the Mylar film deposition mechanism of FIG. 6;
fig. 8 is a schematic diagram of a lamination device in the lamination type cell molding system provided in the present embodiment;
fig. 9 is a schematic structural diagram of a hot pressing device in the stacked die electric core forming system according to the present embodiment.
Icon: 10-a sheet making device; 11-a first pole piece manufacturing device; 111-a pole piece unreeling mechanism; 112-a pole piece receiving mechanism; 113-a pole piece tension control mechanism; 114-a pole piece dust removing mechanism; 115-a first deviation rectifying mechanism; 116-a second deviation rectifying mechanism; 1172-pole piece follower roller; 1175-pole piece transition rolls; 118-pole piece cutting mechanism; 1181-cutter assembly; 1182-cutter fore-and-aft translation mechanism; 1183-cutter up-and-down punching mechanism; 1184-a roll-feed mechanism; 1185-feed clamps; 12-an intermediate membrane device; 13-second pole piece making equipment; 14-an underlying membrane device; 141-a diaphragm unreeling mechanism; 142-a diaphragm correction mechanism; 143-diaphragm tension control mechanism; 1442-diaphragm follower roller; 1445-passing the membrane over a roller; 145-a diaphragm receiving table; 146-a diaphragm static removal mechanism; 15-a first pole piece; 16-an intermediate barrier film; 17-a second pole piece; 18-a bottom layer isolation film; 20-thermal compounding device; 21-a baking mechanism; 22-a rolling mechanism; 23-a top film laying assembly; 24-a basement membrane laying assembly; 243-a Mylar unreeling mechanism; 245-a Mylar film winding mechanism; 246-Mylar film tension control mechanism; 25-a caching mechanism; 26-a detection mechanism; 27-a diaphragm cutting mechanism; 30-lamination device; 31-a negative pressure conveyer belt; 32-a slice taking manipulator; 33-lamination station; 34-vision system; 35-a transfer manipulator; 40-a hot press device; 41-a hot-pressing platform; 42-upper heating plate; 43-lower heating plate; 44-press-fit mechanism.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Embodiments of the invention are described in detail below with reference to the attached drawings, but the invention can be implemented in a number of different ways, which are defined and covered by the claims.
Examples
Fig. 1 is a schematic overall flow chart of a laminated cell molding system according to an embodiment of the present invention, and please refer to fig. 1.
The laminated cell molding system provided by the embodiment of the invention comprises a sheet making device 10, a thermal compounding device 20, a lamination device 30 and a hot pressing device 40, and is used for a cell molding mode of a thermal compounding and cutting integrated process in the manufacturing process of a lithium power battery cell package.
The flaking device 10 is characterized in that a pole piece cutting mechanism 118 in the first pole piece manufacturing equipment 11 and a pole piece cutting mechanism 118 in the second pole piece manufacturing equipment 13 are used for always keeping a uniform running state in the pole piece cutting process, so that flaking efficiency is greatly improved. The thermal compounding device 20 is used for heating and rolling the battery cell material belt formed by the sheet making device 10 to form a whole, and then cutting the whole into battery cell units through the diaphragm cutting mechanism 27. The lamination device 30 obtains the battery cell units from the negative pressure conveying belt 31 through the sheet taking mechanical arm 32, and the battery cell units are placed at the corresponding lamination stations 33, so that battery cells with different thicknesses are manufactured. The hot pressing device 40 is used for pressurizing the battery cells through the pressing mechanism 44, and the temperature of the heating component is adjusted according to the actual hot pressing effect so as to optimize the pressed battery cells.
The laminated cell forming system provided by the embodiment has the advantages that the lamination efficiency is high, the isolating film is not stressed in the lamination process, the isolating film is not damaged, the dislocation phenomenon is not easy to occur in the transportation, rubberizing, blanking and conveying processes, the rejection rate of the manufactured cell short circuit is reduced, and the qualification rate is greatly improved.
The specific structure and the correspondence relationship between the respective components of the laminated cell molding system are described in detail below.
Fig. 2 is a front view of the production apparatus 10 in the laminated cell molding system according to the present embodiment, and fig. 2 is shown.
The production device 10 comprises a first pole piece producing device 11, a diaphragm assembly and a second pole piece producing device 13, wherein the diaphragm assembly comprises a middle diaphragm device 12 and a bottom diaphragm device 14, the first pole piece producing device 11 is located at the topmost layer, the middle diaphragm device 12 is located between the first pole piece producing device 11 and the second pole piece producing device 13 and is used for paving a middle isolating film 16 so as to isolate the first pole piece 15 from the second pole piece 17, and the bottom diaphragm device 14 is located at one side, far away from the first pole piece producing device 11, of the second pole piece producing device 13, namely, the bottom diaphragm device 14 is located at the bottommost layer and is used for paving a bottom isolating film 18.
The first pole piece manufacturing device 11 and the second pole piece manufacturing device 13 are respectively used for cutting the pole piece material belt into a first pole piece 15 and a second pole piece 17 with fixed lengths, the first pole piece 15 after cutting is clamped by a feeding clamp 1185 and is placed on the middle isolating film 16, the second pole piece 17 after cutting is clamped by the feeding clamp 1185 and is placed on the bottom isolating film 18, and accordingly, the first pole piece 15, the middle isolating film 16, the second pole piece 17 and the bottom isolating film 18 form an electric core material belt and are conveyed to the next process.
Fig. 3 is a schematic diagram of the first pole piece manufacturing device 11 and the second pole piece manufacturing device 13 in fig. 2, and fig. 4 is a schematic diagram of the pole piece cutting mechanism 118 in fig. 3, please refer to fig. 3 and fig. 4.
The first pole piece manufacturing device 11 and the second pole piece manufacturing device 13 sequentially comprise a pole piece unreeling mechanism 111, a pole piece deviation correcting mechanism, a pole piece roller passing assembly, a pole piece tension control mechanism 113 and a pole piece cutting mechanism 118. The pole piece unreeling mechanism 111 is of an air-expanding structure and is used for installing pole piece coiled materials and unreeling the pole piece coiled materials uniformly at a set speed, so that pole piece coiled materials sequentially pass through the pole piece deviation correcting mechanism, the pole piece roller passing assembly and the pole piece tension control mechanism 113 and then enter the pole piece cutting mechanism 118 to be cut into pole piece units with fixed lengths.
Optionally, the first pole piece manufacturing device 11 and the second pole piece manufacturing device 13 further include a pole piece receiving mechanism 112 and a pole piece dust removing mechanism 114, the pole piece deviation rectifying mechanism includes a first deviation rectifying mechanism 115 and a second deviation rectifying mechanism 116, the first deviation rectifying mechanism 115 is located at an output port of the pole piece unreeling mechanism 111, the pole piece receiving mechanism 112 is located between the first deviation rectifying mechanism 115 and the pole piece passing roller assembly and is used for facilitating butt joint with newly-installed coiled materials when a previous coiled pole piece material belt is used up, the second deviation rectifying mechanism 116 is located between the pole piece tension control mechanism 113 and the pole piece cutting mechanism 118, the pole piece dust removing mechanism 114 is located between the first deviation rectifying mechanism 115 and the pole piece passing roller assembly, the pole piece dust removing mechanism 114 is used for removing dust on the positive pole material belt and the negative pole material belt, and the dust is automatically collected through the negative pressure dust extracting mechanism.
Optionally, the pole piece coil stock is installed in the pole piece unreeling mechanism 111, the beginning end of the pole piece coil stock passes through the follow-up roller 1172 after passing out from the outlet of the pole piece unreeling mechanism 111, enters the first deviation rectifying mechanism 115, then sequentially enters the pole piece receiving mechanism 112, the pole piece dust removing mechanism 114, the pole piece tension control mechanism 113 and the second deviation rectifying mechanism 116, and then enters the pole piece cutting mechanism 118, wherein the pole piece roll-over assembly is arranged in the whole conveying process of the flaking device 10 at intervals, specifically, the pole piece roll-over assembly comprises the pole piece follow-up roller 1172 and a plurality of pole piece transition rollers 1175, the pole piece follow-up roller 1172 is positioned at the outlet of the pole piece unreeling mechanism 111, the plurality of pole piece transition rollers 1175 are sequentially arranged between the pole piece tension control mechanism 113, the second deviation rectifying mechanism 116 and the pole piece cutting mechanism 118 at intervals, the pole piece roll-over assembly is used for changing the winding direction of a pole piece material belt, the roll feeding mechanism 1184 in the pole piece cutting mechanism 118 respectively pulls the positive pole piece material belt and the negative pole piece material belt forward, the pole piece material is automatically unreeled by the pole piece unreeling mechanism 111, and the position and the unreeling speed is matched by the tension control mechanism 113.
After the pole piece material belt passes through the pole piece tension control mechanism 113 and the first deviation correcting mechanism 115 and the second deviation correcting mechanism 116 for twice deviation correction, the pole piece material belt is sent to a cutter assembly 1181 in a pole piece cutting mechanism 118, and the positive pole piece and the negative pole piece are cut into single pieces with fixed lengths through the speed mutual matching between a cutter front-rear translation mechanism 1182 and a cutter upper-lower punching mechanism 1183 in the cutter assembly 1181.
Alternatively, please refer to fig. 4. The pole piece cutting mechanism 118 comprises a cutter assembly 1181, a cutter front-back translation mechanism 1182, a cutter up-down punching mechanism 1183, a roller feeding mechanism 1184 and a feeding clamp 1185, wherein the cutter assembly 1181 comprises a fixed cutter and a movable cutter, and the movable cutter and the fixed cutter are matched to complete cutting operation.
Under the traction of the roller feeding mechanism 1184, the pole piece material belt reaches the cutter assembly 1181 at a constant speed, and the speed between the cutter front-rear translation mechanism 1182, the cutter up-down punching mechanism 1183 and the roller feeding mechanism 1184 is matched with each other by acceleration and deceleration at different stages in a period, so that the pole piece material belt is cut into a single piece with a fixed length, and the specific cutting process is as follows:
in the initial state, the cutter forward-backward translation mechanism 1182 and the cutter up-down punching mechanism 1183 are located at the set origin.
When the roller feeding mechanism 1184 pulls the pole piece material belt to feed the pole piece at a constant speed, the cutter front-back translation mechanism 1182 drives the cutter assembly 1181 to accelerate from zero, when the forward translation speed of the cutter assembly 1181 is consistent with the speed of pulling the pole piece material belt, the cutter front-back translation mechanism 1182 stops accelerating and operates at a constant speed, the cutter upper-lower punching mechanism 1183 starts accelerating, when the set maximum speed is reached, the movable cutter starts slicing and completes slicing action, the pole piece material belt is cut into single pole pieces at the moment, and the cutter assembly 1181 does not return to the original point.
The cut pole piece is clamped by a feed clamp 1185, and then a cutter forward and backward translation mechanism 1182 accelerates for the second time, so that the forward translation speed of the cutter assembly 1181 is consistent with the conveying speed of the diaphragm assembly, and the pole piece starts to be fed at the moment.
When the sheet feeding is completed, the cutter up-down punching mechanism 1183 acts upwards, so that the cutter drives the feeding clamp 1185 to lift and loosen the pole piece and return to the original point, the front-rear translation mechanism 1182 of the cutter starts to decelerate to stop, and then reversely accelerates to return to the original point, and at the moment, the one-time slicing action is completed.
Optionally, the time taken by the cutter forward and backward translation mechanism 1182 to accelerate, slice, secondarily accelerate, feed, decelerate, return to the origin from the origin must be less than the time taken by the roller mechanism 1184 to forward one slice width, thereby greatly improving the efficiency of the production by the pole piece cutting mechanism 118.
Fig. 5 is a schematic view of the intermediate membrane device 12 and the bottom membrane device 14 of fig. 2, as shown in fig. 5.
The intermediate diaphragm apparatus 12 and the bottom diaphragm apparatus 14 each include a diaphragm unwind mechanism 141, a diaphragm bias mechanism 142, a diaphragm tension control mechanism 143, and a diaphragm over-roll assembly.
The diaphragm unreeling mechanism 141 is used for installing diaphragm coiled materials and unreeling the diaphragm coiled materials uniformly at a set speed, so that the diaphragm coiled materials sequentially pass through the diaphragm deviation correcting mechanism 142, the diaphragm tension control mechanism 143 and the diaphragm roller passing assembly and are conveyed to the next process.
Optionally, the middle membrane device 12 and the bottom membrane device 14 further include a membrane receiving platform 145 and a membrane static removing mechanism 146, where the membrane receiving platform 145 is used to facilitate the butt joint between the previous roll of membrane material and the newly-installed roll material when the previous roll of membrane material is used up, and the membrane static removing mechanism 146 is used to remove static on the front and back surfaces of the isolating membrane material belt, so as to avoid a short circuit phenomenon between the positive and negative electrodes of the manufactured battery cell unit caused by static on the isolating membrane material belt, so that the battery cell unit is determined to be unqualified by subsequent detection, that is: the diaphragm static-removing mechanism 146 can improve the qualification rate of the battery cell unit.
The diaphragm passing roller assembly includes a diaphragm follower roller 1442 and a plurality of diaphragm passing rollers 1445.
Specifically, the diaphragm material belt is installed in the diaphragm unreeling mechanism 141 and extends out from the outlet of the diaphragm unreeling mechanism 141, and after bypassing the diaphragm follower roller 1442, enters the diaphragm deviation rectifying mechanism 142, the diaphragm receiving table 145, the diaphragm tension mechanism, the diaphragm passing roller 1445 and the diaphragm static removing mechanism 146.
In this embodiment, the battery cell material belt formed by the tablet device 10 is four layers, and from top to bottom is: shan Zhangzheng pole pieces, an intermediate barrier film 16, a single Zhang Fu pole piece, and a bottom barrier film 18.
Fig. 6 is a schematic diagram of a thermal compounding device 20 in a laminated cell molding system according to the present embodiment, and fig. 7 is a schematic diagram of a maillard film laying mechanism in fig. 6, please refer to fig. 6 and fig. 7.
The thermal compounding device 20 is located downstream of the pellet making device 10, and the battery cell tape formed by the pellet making device 10 enters the thermal compounding device 20. Specifically, the thermal compounding device 20 includes a baking mechanism 21, a rolling mechanism 22, a mylar laying mechanism, a buffer mechanism 25, a detecting mechanism 26, and a diaphragm cutting mechanism 27 in this order.
Optionally, the battery cell material strip is conveyed to a baking mechanism 21, the battery cell material strip is heated and baked through the baking mechanism 21, after the battery cell material strip is heated and baked, the battery cell material strip is rolled by a rolling mechanism 22 to be integrated, then the battery cell material strip passes through a caching mechanism 25 and a detecting mechanism 26, meanwhile, a Mylar film laying mechanism lays upper and lower protective films to protect the battery cell unit material strip (namely, a composite material strip), and finally the battery cell unit material strip is cut into battery cell units through a diaphragm cutting mechanism 27.
Optionally, there are roller send mechanism 1184 on both sides of the diaphragm cutting mechanism 27, for pulling the battery core material to the diaphragm cutting mechanism 27, then the cutting mechanism cuts the battery core material to be a single battery core unit, the diaphragm cutting mechanism 27 is arranged in the middle of the left and right roller send mechanism 1184, the roller send mechanism 1184 on one side of the material belt is used for pulling the battery core material belt, the roller send mechanism 1184 on the other side is used for conveying the cut battery core unit to the negative pressure conveyer belt 31 in the lamination process.
Optionally, a detecting mechanism 26 is located between the buffer mechanism 25 and the diaphragm cutting mechanism 27, and is used for detecting a short circuit of the battery cell material belt. The mylar film laying mechanism includes a top film laying assembly 23 and a bottom film laying assembly 24. The top film laying assembly 23 is located above the baking mechanism 21 and is used for laying a top protective film for the battery cell material belt, and the bottom film laying assembly 24 is located below the baking mechanism 21 and is used for laying a bottom protective film for the battery cell material belt.
In this embodiment, the rolling mechanism 22 pulls the top layer mylar film material belt and the bottom layer mylar film material belt to advance, and simultaneously the top layer mylar film roll material and the bottom layer mylar film roll material are automatically rolled and unrolled by the mylar film unrolling mechanism 243 and the mylar film rolling mechanism 245, and the rolling and unrolling speeds are automatically matched and adjusted through the angle of the tension swing rod in the mylar film tension control mechanism 246, and the mylar film material belt is pulled to the thermal compounding area after being rolled and unrolled by the mylar film tension control mechanism 246 and the deviation correcting mechanism, and the rolling mechanism 22 rolls the preheated first pole piece 15, the middle isolating film 16, the second pole piece 17 and the bottom isolating film 18 to form a whole.
Optionally, the top layer of the maillard film is laid on the upper side of the battery cell material belt, and the bottom layer of the maillard film is laid on the lower side of the battery cell material belt, which are all used for protecting the battery cell material belt, because the rolling mechanism 22 is used for rolling and pulling the battery cell material belt after thermal compounding. When rolling, if the top and bottom Mylar films are not paved, the surface of the bottom isolating film 18 after thermal compounding is very sticky and can be stuck to a hot pressing roller; and the isolating film is crushed to a certain extent during rolling. In the thermal composite traction process, if the top and bottom mylar films are not arranged, the isolating film can be damaged by pulling, and the film-making precision can be affected.
Optionally, the maillard film laying mechanism is also provided with an unreeling deviation correcting device, a reeling deviation correcting device, a maillard film receiving table and an electrostatic removing device.
It is understood that the structure of the mylar laying mechanism is substantially the same as that of the diaphragm assembly, and detailed description of the structure of the diaphragm assembly is omitted herein.
Wherein, the heating temperature of the baking mechanism 21 and the rolling pressure of the rolling mechanism 22 can be adjusted according to the actual effect, so that the composite effect can be optimized.
Specifically, the thermally compounded battery cell material tape is conveyed forward by a thermal compounding roller feeding mechanism at a diaphragm cutting mechanism 27, and after passing through a buffer mechanism 25 and a detection mechanism 26, the battery cell material tape is cut into battery cell units at a diaphragm cutter.
In this embodiment, first, the electrical core material strip after thermal compounding is subjected to short circuit detection by the detection mechanism 26, and the unqualified product is directly removed in the subsequent lamination process, so that the rejection rate of the electrical core after subsequent electrical core manufacturing is greatly reduced, the production cost of a user is further reduced, and the qualification rate of the product is improved. Secondly, the displacement of the detection mechanism 26 along the advancing direction of the battery cell material belt can be matched with the advancing speed of the battery cell material belt at any time through acceleration and deceleration at different stages, so that the tabletting efficiency is not influenced.
Fig. 8 is a schematic diagram of a lamination device 30 in a lamination type cell molding system according to the present embodiment, and fig. 8 is referred to.
The forming system further comprises a lamination device 30, the lamination device 30 being located downstream of the thermal compounding device 20, the lamination device 30 comprising a negative pressure conveyor 31, a take-off robot 32 and a lamination station 33.
The negative pressure conveyer belt 31 conveys the cell unit to the sheet taking station, the sheet taking manipulator 32 acquires the cell unit and places the cell unit on the lamination station 33, so that the cell units with different thicknesses are overlapped, and in the embodiment, the cell taking manipulator 32 lifts the cell unit in a suction mode and places the cell unit on the lamination station 33.
Specifically, the electric core unit cut into single pieces is transferred to the conveyer belt, the conveyer belt intermittently conveys the electric core unit to the piece taking station of each manipulator, and the piece taking manipulator 32 often cannot take the pieces normally when taking the pieces due to the relative slipping phenomenon between the electric core unit and the synchronous belt when the existing conveyer belt is in transmission.
The negative pressure vacuum is generated by utilizing a high negative pressure fan, and is distributed to a vacuum box inside each belt through a split block, so that vacuum is formed in the vacuum box, the conveying belt is tightly attached to the vacuum box, the battery cell unit can be firmly adsorbed on the surface of the conveying belt, and the conveying is convenient.
In the present embodiment, the negative pressure conveyer 31 is a vacuum conveyer.
Optionally, the lamination device 30 further comprises a vision system 34, the vision system 34 being located above the conveyor belt and corresponding to the film take-out station.
Through producing negative pressure vacuum in the conveyer belt inside, can firmly adsorb the battery cell unit at the surface of conveyer belt, in the battery cell unit conveying process, no phenomenon of skidding. Meanwhile, the step distance of the conveying belt is related to the width of the pole pieces, the spacing of the lamination platforms and the like. After the position of the battery cell unit is detected by the vision system 34, the slice taking manipulator 32 takes slices and corrects at the corresponding station and places the slices on the main lamination table of the corresponding station, so that battery cells with different thicknesses can be manufactured.
The problem that the pole piece cannot be always taken by the slice taking manipulator 32 is solved by controlling the opening and closing of the vacuum box, specifically, the slice taking station of the slice taking manipulator 32 is completely isolated from the cavity in the corresponding vacuum box to form an independent closed area, vacuum in the area is connected through a pneumatic valve, when the slice taking manipulator 32 takes a slice, the pneumatic valve is automatically closed, and the vacuum is disconnected, at the moment, the conveyor belt in the area loses the adsorption force on the cell unit, and then the cell unit can be broken in the moment of slice taking by connecting positive pressure gas, so that the slice taking manipulator 32 can easily take the slice.
In this embodiment, the transmission of the battery cell unit is composed of a plurality of belts, or the number of belts can be increased or decreased appropriately according to the actual situation, when the pole pieces with different specifications are required to be compatible, only the spacing between the adjacent belts is required to be adjusted, and the compatibility range of the transmission belt is increased, so that the requirement of compatibility can be met.
In short, the battery cell unit comprises a positive plate, a middle isolating film 16, a negative plate and a bottom isolating film 18, and each time the plate taking mechanical arm 32 takes and puts, the plate taking mechanical arm is equivalent to taking and putting the positive plate and the negative plate one by one, and compared with the existing bag making and Z-shaped lamination modes, the efficiency of a single lamination table is improved by 2 times. In addition, the lamination table does not need to do reciprocating motion, and the efficiency of lamination is not limited by the speed and displacement of the lamination table. And the positive electrode plate and the negative electrode plate in the battery cell unit are separated by the middle isolating film 16, and the membrane is not required to be wound again during lamination, so that the membrane is prevented from being pulled in the lamination process, namely the membrane is not damaged.
Fig. 9 is a schematic structural diagram of a hot press device 40 in a stacked die battery cell molding system according to the present embodiment, and fig. 9 is shown.
The hot press 40 is located downstream of the lamination device 30, and the hot press 40 includes a hot press platen 41, a heat generating component, a clamping mechanism, and a pressing mechanism 44. Wherein, hot pressing platform 41 is used for setting up the battery core that above-mentioned shaping is good, heating element sets up in the upper and lower internal surface of hot pressing platform 41 for heat the battery core, clamping mechanism divide into clamping part and lower clamping part, be used for pressing from both sides tight battery core when it is close to each other along predetermineeing the direction, pressing mechanism 44 is located the top of hot pressing platform 41, and is used for pressurizing the battery core, pressing mechanism 44 has the secondary boost function, the laminating between the inside unit piece of battery core after messenger's pressfitting is tighter, the pressfitting effect is better.
Specifically, the stacked battery cells are transferred to the lower clamping part by the transfer manipulator 35 in the lamination device 30, and then fall onto the hot pressing platform 41 after being clamped by the clamping mechanism, the heating component comprises an upper heating plate 42 and a lower heating plate 43, the upper heating plate 42 is arranged on the upper inner surface of the hot pressing platform 41, the upper heating plate can correspond to the upper surface of the battery cells, the lower heating plate 43 is arranged on the lower inner surface of the hot pressing platform 41, the lower heating plate 43 can correspond to the lower surface of the battery cells, and the temperature of the upper heating plate 42 and the lower heating plate 43 can be adjusted according to the actual hot pressing effect.
The pressing mechanism 44 presses the battery cell from the upper part, and meanwhile, the pressing pressure can be adjusted according to actual conditions, so that the pressed battery cell effect is optimal;
in this embodiment, because the cell units inside the laminated cell are completely bonded, dislocation between the cell units is avoided in the subsequent transferring, rubberizing, blanking and conveying processes.
In this embodiment, because the cutter assembly 1181 in the pole piece manufacturing device is in the process of cutting off the pole piece, the cutter translates back and forth, and the cooperation of acceleration and deceleration is between the upper and lower punching of the cutter, the forward conveying of the first pole piece 15 and the second pole piece 17 in a constant speed running state can be ensured all the time, and the tabletting efficiency is effectively improved.
When the first pole piece 15 and the second pole piece 17 formed by the sheet making device 10 reach a thermal compounding station, the first pole piece 15 and the second pole piece are compounded with a diaphragm material belt to form battery core units, each battery core unit comprises a positive pole piece, a negative pole piece and two layers of isolating films, when the battery core units are conveyed to the lamination device 30, the sheet taking mechanical arm 32 can take and put the sheets at one time, which is equivalent to taking and putting each of the positive pole piece and the negative pole piece, so that the lamination efficiency is improved; and the lamination table does not need to do reciprocating motion, thereby eliminating the influence of the operation of the lamination table on lamination efficiency. And in the lamination process, the isolating film is not stressed by tension, the middle isolating film 16 and the bottom isolating film 18 are not damaged completely, and the isolating film is not required to be wound in the lamination process, so that the problem that the isolating film is damaged by tension is avoided.
In the process of the thermal compound device 20, due to the detection mechanism 26, the short circuit rejection rate of the formed battery cell unit is reduced, if the battery cell unit has a short circuit problem, the battery cell unit can be timely removed into unqualified products when passing through the detection mechanism 26, the short circuit rejection rate after the battery cell is subsequently manufactured is greatly reduced, the production cost of a user is reduced, and the qualification rate of the battery cell product is greatly improved.
The battery cells formed by the lamination device 30 are subjected to a hot pressing process by a hot pressing device 40 before rubberizing, in the hot pressing process, the battery cells are heated by a heating component and are pressed by a matched pressing mechanism 44, so that the battery cells in the laminated battery cells are mutually laminated into a whole, and dislocation phenomenon does not exist among the battery cells in the processes of transferring, rubberizing, blanking and the like.
The laminated cell molding system provided by the embodiment 1 of the invention has the beneficial effects that:
the efficiency of film-making improves, and the lamination efficiency of single lamination platform improves, and the isolation diaphragm does not receive the pulling force in the lamination in-process, and the diaphragm does not harm completely, and the dislocation phenomenon can not take place in transportation, rubberizing, unloading and transportation in-process to the electric core that stacks, and the electric core short circuit that makes detects qualification rate improves by a wide margin, and the precision of final shaping electric core improves, the disability rate reduces, makes the shaping mode of thermal-composition type lamination electric core become possible.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The laminated cell molding system is characterized by comprising a sheet making device, wherein the sheet making device comprises first pole piece manufacturing equipment, a diaphragm assembly and second pole piece manufacturing equipment, and the diaphragm assembly comprises middle diaphragm equipment and bottom diaphragm equipment;
the middle diaphragm device is positioned between the first pole piece manufacturing device and the second pole piece manufacturing device and is used for paving a middle diaphragm material belt, and the bottom diaphragm device is positioned at one side of the second pole piece manufacturing device far away from the first pole piece manufacturing device and is used for paving a bottom diaphragm material belt;
the first pole piece manufacturing equipment and the second pole piece manufacturing equipment are respectively used for cutting the pole piece material belt into a first pole piece and a second pole piece with fixed lengths, so that the first pole piece, the middle diaphragm material belt, the second pole piece and the bottom diaphragm material belt form an electric core material belt; the first pole piece manufacturing equipment and the second pole piece manufacturing equipment sequentially comprise a pole piece unreeling mechanism, a pole piece deviation correcting mechanism, a pole piece roller passing assembly, a pole piece tension control mechanism and a pole piece cutting mechanism; the pole piece unreeling mechanism is used for installing pole piece coiled materials, so that pole piece coiled materials sequentially pass through the pole piece deviation correcting mechanism, the pole piece roller passing assembly and the pole piece tension control mechanism and then enter the pole piece cutting mechanism to be cut into pole piece units with fixed lengths;
the middle diaphragm device and the bottom diaphragm device comprise a diaphragm unreeling mechanism, a diaphragm deviation correcting mechanism, a diaphragm tension control mechanism and a diaphragm conveying roller assembly;
the diaphragm unreeling mechanism is used for installing diaphragm coiled materials, so that diaphragm material belts sequentially pass through the diaphragm deviation correcting mechanism, the diaphragm tension control mechanism and the diaphragm conveying roller assembly and are conveyed to the next working procedure; the forming system further comprises a thermal compounding device, wherein the thermal compounding device is positioned at the downstream of the flaking device and sequentially comprises a baking mechanism, a rolling mechanism, a buffering mechanism and a diaphragm cutting mechanism;
and the battery cell material belt is conveyed to the baking mechanism for heating and baking, and after passing through the rolling mechanism and the buffer mechanism in sequence after being heated and baked, the diaphragm cutting mechanism cuts the battery cell material belt into battery cell units.
2. The laminated cell molding system of claim 1, wherein said first pole piece forming device and said second pole piece forming device further comprise a pole piece receiving mechanism;
the pole piece correcting mechanism comprises a first correcting mechanism and a second correcting mechanism, the first correcting mechanism is located at an output port of the pole piece unreeling mechanism, the material receiving mechanism is located between the first correcting mechanism and the pole piece passing roller assembly and used for connecting pole piece material strips of different rolls, and the second correcting mechanism is located between the pole piece tension control mechanism and the cutting mechanism.
3. The laminated cell molding system of claim 2, wherein said first pole piece forming device and said second pole piece forming device further comprise a pole piece dust removal mechanism, said pole piece dust removal mechanism being located between said first deviation rectifying mechanism and said pole piece over-roll assembly.
4. The laminated cell molding system of claim 1, wherein said thermal compounding device further comprises a detection mechanism located between said buffer mechanism and said diaphragm cutting mechanism for short circuit detection of the cells on said cell strip.
5. The laminated cell molding system of claim 4, wherein said thermal compounding device further comprises a mylar film laying mechanism comprising a top film laying assembly and a bottom film laying assembly;
the top film laying assembly is located above the baking mechanism and used for laying a top layer protection film for the battery cell material belt, and the bottom film laying assembly is located below the baking mechanism and used for laying a bottom layer protection film for the battery cell material belt.
6. The laminated cell molding system of claim 1, further comprising a lamination device downstream of said thermal compounding device, said lamination device comprising a negative pressure conveyor, a take-off robot, and a lamination station;
the negative pressure conveyer belt is used for conveying the battery cell units to a sheet taking station, and the sheet taking manipulator is used for acquiring the battery cell units and placing the battery cell units in the sheet stacking station so as to stack battery cells with different thicknesses.
7. The laminated cell molding system of claim 6, further comprising a hot press located downstream of the lamination device, the hot press comprising a hot press platen for placing the cells, a heat generating assembly for heating the cells, and a press mechanism located above the hot press platen for pressurizing the cells.
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| CN201910310593.4A CN109935915B (en) | 2019-04-17 | 2019-04-17 | Lamination type battery cell forming system |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110265730A (en) * | 2019-06-26 | 2019-09-20 | 东莞市佳的自动化设备科技有限公司 | Lithium battery composite machine |
| CN112216858B (en) * | 2019-07-10 | 2025-02-18 | 宁德时代新能源科技股份有限公司 | Laminated cell production system |
| CN112297577A (en) * | 2019-07-31 | 2021-02-02 | 广东利元亨智能装备股份有限公司 | A diaphragm composite device |
| CN110605896A (en) * | 2019-10-31 | 2019-12-24 | 广东利元亨智能装备股份有限公司 | Method and device for laminating pole piece diaphragm |
| CN112310423B (en) * | 2019-12-04 | 2022-03-15 | 宁德时代新能源科技股份有限公司 | Laminated cell production system and laminated cell forming method |
| CN111215905A (en) * | 2020-03-03 | 2020-06-02 | 深圳吉阳智能科技有限公司 | Pole piece cutter mechanism and electricity core apparatus for producing |
| CN111342107B (en) * | 2020-03-13 | 2025-02-28 | 宁德时代新能源科技股份有限公司 | A hot composite high-speed lamination machine |
| CN111326801A (en) * | 2020-03-31 | 2020-06-23 | 深圳吉阳智能科技有限公司 | Laminated composite unit manufacturing system and laminated composite unit manufacturing method |
| CN111342093B (en) * | 2020-04-10 | 2021-03-02 | 武汉理工氢电科技有限公司 | CCM production method |
| CN113745667B (en) * | 2020-05-28 | 2023-10-13 | 沃尔沃汽车公司 | System and method for assembling electrodes of square lithium ion battery |
| CN112670598B (en) * | 2020-12-21 | 2024-09-27 | 深圳市凌晨知识产权运营有限公司 | A method and device for preparing a pole piece |
| CN114678655A (en) * | 2020-12-24 | 2022-06-28 | 荣盛盟固利新能源科技有限公司 | Electrode assembly photorecombination device and electrode assembly manufacturing method |
| CN112909351A (en) * | 2021-03-31 | 2021-06-04 | 蜂巢能源科技有限公司 | Lamination process |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101685887A (en) * | 2008-09-23 | 2010-03-31 | 深圳市吉阳自动化科技有限公司 | Semi-automatic laminating method of electrical core of power battery and laminating equipment thereof |
| CN101944639A (en) * | 2010-08-25 | 2011-01-12 | 苏州大学 | Cutting-free laminated preparation method of lithium ion battery cell |
| WO2011085654A1 (en) * | 2010-01-18 | 2011-07-21 | 深圳市吉阳自动化科技有限公司 | Preparing method and preparation system for cell core of lithium ion battery |
| CN104103854A (en) * | 2014-06-12 | 2014-10-15 | 河北工业大学 | Laminated cylindrical lithium ion battery and fabrication method thereof |
| CN104934628A (en) * | 2015-06-05 | 2015-09-23 | 深圳吉阳智云科技有限公司 | Cell core preparation system with pole piece and diaphragm detection and method |
| CN108075130A (en) * | 2018-01-05 | 2018-05-25 | 泉州劲鑫电子有限公司 | A kind of great-capacity power battery and preparation method thereof |
| CN207705346U (en) * | 2017-12-29 | 2018-08-07 | 泉州劲鑫电子有限公司 | A kind of low self-discharge Ni-MH battery |
| CN108615949A (en) * | 2018-06-06 | 2018-10-02 | 深圳市诚捷智能装备股份有限公司 | A kind of square electric cell film-making winding apparatus |
| CN209526176U (en) * | 2019-04-17 | 2019-10-22 | 深圳吉阳智能科技有限公司 | A kind of lamination type electric core formation system |
-
2019
- 2019-04-17 CN CN201910310593.4A patent/CN109935915B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101685887A (en) * | 2008-09-23 | 2010-03-31 | 深圳市吉阳自动化科技有限公司 | Semi-automatic laminating method of electrical core of power battery and laminating equipment thereof |
| WO2011085654A1 (en) * | 2010-01-18 | 2011-07-21 | 深圳市吉阳自动化科技有限公司 | Preparing method and preparation system for cell core of lithium ion battery |
| CN101944639A (en) * | 2010-08-25 | 2011-01-12 | 苏州大学 | Cutting-free laminated preparation method of lithium ion battery cell |
| CN104103854A (en) * | 2014-06-12 | 2014-10-15 | 河北工业大学 | Laminated cylindrical lithium ion battery and fabrication method thereof |
| CN104934628A (en) * | 2015-06-05 | 2015-09-23 | 深圳吉阳智云科技有限公司 | Cell core preparation system with pole piece and diaphragm detection and method |
| CN207705346U (en) * | 2017-12-29 | 2018-08-07 | 泉州劲鑫电子有限公司 | A kind of low self-discharge Ni-MH battery |
| CN108075130A (en) * | 2018-01-05 | 2018-05-25 | 泉州劲鑫电子有限公司 | A kind of great-capacity power battery and preparation method thereof |
| CN108615949A (en) * | 2018-06-06 | 2018-10-02 | 深圳市诚捷智能装备股份有限公司 | A kind of square electric cell film-making winding apparatus |
| CN209526176U (en) * | 2019-04-17 | 2019-10-22 | 深圳吉阳智能科技有限公司 | A kind of lamination type electric core formation system |
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