CN206163634U - Lithium ion secondary cell that multireel core was convoluteed in succession - Google Patents
Lithium ion secondary cell that multireel core was convoluteed in succession Download PDFInfo
- Publication number
- CN206163634U CN206163634U CN201621273430.1U CN201621273430U CN206163634U CN 206163634 U CN206163634 U CN 206163634U CN 201621273430 U CN201621273430 U CN 201621273430U CN 206163634 U CN206163634 U CN 206163634U
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- Prior art keywords
- core
- battery
- rivet
- negative
- winding
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title abstract description 10
- 229910001416 lithium ion Inorganic materials 0.000 title abstract description 10
- 229910052751 metal Inorganic materials 0.000 claims abstract description 19
- 239000002184 metal Substances 0.000 claims abstract description 19
- 238000009413 insulation Methods 0.000 claims abstract description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 16
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 12
- 229910052744 lithium Inorganic materials 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 9
- 229910000906 Bronze Inorganic materials 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 6
- 239000010974 bronze Substances 0.000 claims description 6
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 6
- 238000005524 ceramic coating Methods 0.000 claims description 5
- 238000004080 punching Methods 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000003466 welding Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 210000005069 ears Anatomy 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005405 multipole Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a lithium ion secondary cell that multireel core was convoluteed in succession, including battery core, PE insulation support, metal casing and the shell apron of convoluteing in succession more than two, the battery core of convoluteing in succession more than two is tied up side by side and is become the battery core of convoluteing in succession side by side together and extremely organize, its characterized in that, the battery core of convoluteing in succession just, be equipped with anodal ear and negative pole ear on the negative pole piece, respectively be equipped with the rivet hole on anodal ear and the negative pole ear, be equipped with apron utmost point support connnection piece on the shell apron, anodal ear and negative pole ear are respectively through its rivet hole, rivet and riveting preforming positive electrode and the negative electrode with respective apron utmost point support connnection piece riveting formation battery. The utility model discloses have 40 big current discharge and the above performance of filling fast of normal atmospheric temperature 3C more than DEG C - 60 DEG C the 10C, the post assembling can improve the reliability and the security of battery package.
Description
Technical field
This utility model is related to field of lithium ion battery, and more particularly to a kind of Large Copacity, long-life especially require quickly
The lithium ion secondary battery with metal case that the multi-winding-core used under the conditions of discharge and recharge or high-multiplying power discharge continuously winds.
Background technology
In recent years, used as high power heavy-current discharge battery, application is more and more extensive, the items to battery for lithium ion battery
Performance requirement also more and more higher.The continuous winding battery of Large Copacity metal shell multi-winding-core that currently known multi-winding-core continuously winds
Core lug couples common structure with cover plate of outer casing to be had：Ultrasonic welding structure, Stud connection structure and laser penetration welding structure；
It is wherein in the majority with ultrasonic welding structure, Stud connection structure.
The battery production efficiency high of traditional winding-structure, pole piece corner area is little, it is easy to mass production and pole piece edge
Burr, the effective control of shedding；The charging, discharging electric batteries multiplying power that traditional multi-winding-core continuously winds is higher, and quantity of heat production is little, adapts to certain
The use under cryogenic conditions under scope；But pole piece corner area is larger, and production efficiency is relatively low, is unfavorable for mass production
With pole piece burrs on edges, the control of shedding.
The shortcoming of traditional ultrasonic welding structure has：The soldering polar ear number of plies is usually less than 100 layers, and the height that moment produces
Temperature easily causes the ceramic-coated separator paper at lug to shrink, and forms potential safety hazard；Ultrasonic equipment maintenance is difficult, and its rosin joint is produced
Product are difficult to be aware, and affect battery with two side terminals, are unfavorable for follow-up battery combo with assembling；Easily cause lug cracking or produce
Raw metallic dust, affects the safety of battery.
The shortcoming of traditional stud draw bail has：The size material of stud is limited by technique, by battery shell-space
Affect, the diameter of stud is restricted, in order to improve torsion, rustless steel stud is generally adopted, because it is connected with cover plate of outer casing
Post material is different and form galvanic element, easily scene hot spot affects the reliability of battery；Stud connection torsion is less, it is impossible to gram
The impact to contact resistance such as negative, negative plate lug, cover plate of outer casing connecting pole material surface roughness is taken, its contact surface resistance is not
It is stable, battery with two side terminals is affected, it is unfavorable for follow-up battery combo with assembling；
Its technology controlling and process complexity is welded in laser penetration, is affected by factors such as environment, material, techniques, its welding pole
The ear number of plies generally need to be controlled below 10 layers, and welding effect extremely unstable.
Lithium battery is because running voltage is high, energy density is big, memory-less effect, have extended cycle life, it is pollution-free the advantages of,
In being applied to consumption, power, energy storage and various uses battery more and more widely, progressively instead of traditional rechargeable battery into
For the major product of field of batteries.It is also more next to the demand of large-capacity high-power lithium ion secondary battery with the expansion in market
It is bigger, such as mobile communication base station, the peaking power source of wind and light generating system, car lithium battery bag, the frigid zone first aid of back-up source class
There is very big demand in the market such as stand-by power supply and frigid zone electric motor car power supply of speedily carrying out rescue work.It is required that battery cell capacity is big, power is close
Degree is high, and concordance is good, it is easy to combo, battery bag at -30 DEG C～+60 DEG C,（1—10）Under C discharge-rates, negative often work is remained to,
Its conventional 100Ah and above high-capacity lithium-ion secondary cell have the following defect for being difficult to and going beyond.It is mainly reflected in：
1）The internal resistance of cell dispersion of the battery of ultrasonic bonding, different platform and time welding is big, is unfavorable for battery bag
Combo；
2）The internal resistance of cell that stud even joins is big, is generally only suitable for the continuous discharge of the following electric currents of room temperature 1C, it is impossible to meet
High power needed for equipment is required；
3）The internal resistance of cell of stud even connection is big, for example 50Ah lithium rechargeable batteries 1KHz AC impedances generally 1m Ω with
On, discharge-rate is poor；
4）Shell is typically directly turned on negative electrode, battery in groups after, casing insulation layer rupture, cause Cell in set of cells
Between short circuit or shell by the security risk of chemical attack.
5）Under the conditions of battery high current charge and discharge, temperature rise is higher, has a strong impact on the cycle life security performance of battery.
Utility model content
For the disadvantages described above for overcoming prior art to exist, this utility model provides a kind of high current charge-discharge, life-span length
Multi-winding-core continuously winds the large-capacity high-power lithium ion secondary battery with metal case of riveted structure.
This utility model solves the technical scheme of above-mentioned technical problem：
The lithium rechargeable battery that a kind of multi-winding-core continuously winds, including the continuous coiled battery core of two or more, PE insulation
Support, metal shell and cover plate of outer casing, the continuous coiled battery core of two or more is banded together side by side becomes one side by side continuously
Coiled battery core pole group, the positive and negative plate upper end of continuous coiled battery core is provided with anode ear and negative electrode lug, anode ear and negative electrode lug
On be respectively provided with rivet hole, the cover plate of outer casing is provided with cover plate pole connection sheet；Anode ear and negative electrode lug pass through respectively its rivet
Hole, rivet and riveting tabletting rivet the anelectrode and negative electrode to form battery with respective cover plate pole connection sheet.
Further, continuous coiled battery core pole group outer layer is cased with PE insulation bags, and PE insulation bags are fixed in metal shell, gold
The junction of category shell and cover plate of outer casing is provided with PE insulating supports, and metal shell and cover plate of outer casing are sealed using Laser Welding.
Further, rivet adopts aluminium rivet, negative pole to adopt copper rivet in positive pole；Riveting tabletting adopts aluminum riveting in positive pole
Tabletting is connect, negative pole is adopted as copper riveting tabletting；Cover plate pole connection sheet point positive terminal connection sheet and negative terminal connection sheet.
Further, each continuous coiled battery core is by positive plate, the diaphragm paper of two-layer ceramic coating and negative plate winding
Into the diaphragm paper of two-layer ceramic coating separates positive plate and negative plate, the lug difference on the lug and negative plate of positive plate
Constitute the anode ear and negative electrode lug of continuous coiled battery core.
Further, the attachment structure of anode ear is：It is successively from top to bottom the first aluminum riveting tabletting, the first anode ear, just
Pole connection sheet, the second anode ear, the second aluminum riveting tabletting, aluminium rivet sequentially passes through said structure, and by colding pressing, flange makes just
Lug and positive terminal connection sheet rivet the anelectrode to form battery.
Further, the attachment structure of negative electrode lug is：It is successively from top to bottom the first bronze medal riveting tabletting, the first negative electrode lug, bears
Pole connection sheet, the second negative electrode lug, the second bronze medal riveting tabletting, copper rivet sequentially passes through said structure, makes to bear by flange of colding pressing
Lug and negative terminal connection sheet rivet the negative electrode to form battery.
Further, each punching has two rivet holes on anode ear and negative electrode lug, the riveting tabletting pair at anode ear and negative electrode lug
Each punching is answered on position there are two rivet through holes, rivet hole is identical with the diameter of rivet through hole and the mm of diameter 0.4 more than rivet.
This utility model quickly fills with more than the 10C heavy-current discharges and more than more than room temperature 3C at -40 DEG C -60 DEG C
Performance, and the continuous coiled battery core lug of multi-winding-core and cover plate of outer casing connection sheet are using flange riveting of colding pressing, riveting pressure
Greatly.
This utility model eliminate because negative, negative plate lug, cover plate of outer casing connecting pole material surface is coarse and dock electric shock
The impact of resistance, effectively reduces the contact resistance and laminated cell of the continuous coiled battery core lug of multi-winding-core and cover plate of outer casing connection sheet
Pole piece corner area is larger, and production efficiency is relatively low, is unfavorable for that mass production and pole piece burrs on edges, shedding are rambunctious
Problem.This utility model is little because of impedance, and charge and discharge heat production is few, and without obvious temperature rise, its cycle life significantly extends；Multi-winding-core connects
Metal shell is not charged after continuous winding battery core retainer plate PE insulation bags, after assembling, can improve the reliability and security of battery bag.
Description of the drawings
Fig. 1 is that this utility model continuously winds variable spacing multi pole ears positive plate schematic diagram.
Fig. 2 is that this utility model continuously winds variable spacing multi pole ears negative plate schematic diagram.
Fig. 3 is the continuous coiled battery core schematic diagram of this utility model multi pole ears.
Fig. 4 is this utility model lug and cover plate of outer casing connection sheet is colded pressing riveting side schematic view.
Fig. 5 is this utility model pole lug and cover plate of outer casing connection sheet is colded pressing riveting front schematic view.
Fig. 6 is this utility model lithium ion secondary battery with metal case schematic diagram.
In figure：Positive plate 1, anode dressing coating 100, negative plate 2, negative pole dressing coat 200, cover plate of outer casing 3, rivet 4,
Riveting tabletting 5, lug beam 6, cover plate pole connection sheet 7, continuous coiled battery core lug 8, PE insulation bags 9, continuous winding battery
Core pole group 10, continuous coiled battery core 11, cover plate electrode 12, PE insulating supports 13, anode ear 14, negative electrode lug 15, metal shell
16, diaphragm paper 17.
Specific embodiment
In order that technological means, technical characteristic, reached purpose and effect that this utility model is realized are easy to understand, under
With reference to being specifically illustrating with embodiment, the utility model will be further described in face.
Embodiment 1：
As illustrated, a kind of multi-winding-core continuously winds the large-capacity high-power metal shell lithium ion secondary electricity of riveted structure
Pond, is made up of two or more continuous coiled battery cores 11, PE insulating supports 13, metal shell 16 and cover plate of outer casing 3, two or
The continuous coiled battery core 11 of multiple multi-winding-cores becomes a battery arranged side by side after banding together side by side, and outer layer is cased with PE insulation bags
9, it to be fixed in metal shell 16, the junction of metal shell 16 and cover plate of outer casing 3 is provided with PE insulating supports 13, metal shell 16
Sealed using Laser Welding with cover plate of outer casing 3；Each multi-winding-core continuous coiled battery core 11 is by positive plate 1, two-layer ceramic coating
Diaphragm paper 17 and the winding of negative plate 2 are formed, and the negative electrode lug on the anode ear and negative plate 2 of positive plate 1 is respectively constituting battery just
Lug 14 and negative electrode lug 15, the diaphragm paper of two-layer ceramic coating separates positive plate 1 and negative plate 2.The dressing of positive plate 1 has positive pole
Dressing coat 100, the dressing of negative plate 2 has negative pole dressing coat 200.
The structure of anode ear 14 and negative electrode lug 15, positive and negative plate upper end has cut lug, and 2 diameters are rushed on each lug
4.6mm is used for the hole that rivet 4 is passed through；The cover plate of outer casing 3 is provided with cover plate pole connection sheet 7, divides positive terminal connection sheet and bears
Pole connection sheet；Rivet 4, just extremely aluminium rivet, negative pole is copper rivet；Riveting tabletting 5, just extremely aluminum riveting tabletting, negative pole are
Copper rivets tabletting.
At the punching of anode ear, its structure is successively from top to bottom the first aluminum riveting tabletting, the first anode ear, positive terminal
Connection sheet, the second anode ear, the second aluminum riveting tabletting, the aluminium rivet of 2 diameter 4.2mm sequentially passes through said structure, using special
With 10T pneumohydraulic pressure-cylinder riveting equipments cold pressing flange riveting anode ear 14 and positive terminal connection sheet formed battery anelectrode；
At negative electrode lug, its structure is successively from top to bottom the first bronze medal riveting tabletting, the first negative electrode lug, negative terminal connection sheet
, the second negative electrode lug, the second bronze medal riveting tabletting, 2 diameter 4.2mm copper rivets sequentially pass through said structure, using special 10T gas-liquids
Pressurized cylinder riveting equipment cold pressing flange riveting negative electrode lug 15 and negative terminal connection sheet formed battery negative electrode.
It is 2mm that aluminum rivets tabletting and the thickness of copper riveting tabletting, and has the hole of two diameter 4.6mm.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every
The equivalents made using this utility model description and accompanying drawing content or the technical field for being directly or indirectly used in correlation,
It is included in the same manner in scope of patent protection of the present utility model.
Claims (7)
1. the lithium rechargeable battery of the continuous winding of a kind of multi-winding-core, including the continuous coiled battery core of two or more (11), PE be exhausted
Edge support (13), metal shell (16) and cover plate of outer casing (3), the continuous coiled battery core of two or more (11) is banded together side by side
Become continuous coiled battery core pole group (10) side by side, it is characterised in that on the positive and negative plate of continuous coiled battery core (11)
End is provided with anode ear (14) and negative electrode lug (15), and rivet hole is respectively provided with anode ear and negative electrode lug, sets on the cover plate of outer casing (3)
There is cover plate pole connection sheet (7)；Anode ear and negative electrode lug respectively by its rivet hole, rivet (4) and riveting tabletting (5) with it is respective
Cover plate pole connection sheet (7) riveting form the anelectrode and negative electrode of battery.
2. the lithium rechargeable battery that a kind of multi-winding-core as claimed in claim 1 continuously winds, it is characterised in that continuous winding
Battery pole group (10) outer layer is cased with PE insulation bags (9), and PE insulation bags (9) are fixed in metal shell (16), metal shell
(16) and the junction of cover plate of outer casing (3) is provided with PE insulating supports (13), metal shell (16) and cover plate of outer casing (3) adopt laser
Sealing mouth.
3. the lithium rechargeable battery that a kind of multi-winding-core as claimed in claim 1 or 2 continuously winds, it is characterised in that rivet
(4) aluminium rivet, negative pole is adopted to adopt copper rivet in positive pole；Riveting tabletting (5) rivets tabletting in positive pole using aluminum, and negative pole is adopted
Tabletting is riveted with for copper；Cover plate pole connection sheet (7) point positive terminal connection sheet and negative terminal connection sheet.
4. the lithium rechargeable battery that a kind of multi-winding-core as claimed in claim 3 continuously winds, it is characterised in that each is continuous
Coiled battery core (11) is formed by positive plate (1), the diaphragm paper of two-layer ceramic coating and negative plate (2) winding, and two-layer ceramic is applied
The diaphragm paper of layer separates positive plate (1) and negative plate (2), the lug difference structure on the lug and negative plate (2) of positive plate (1)
Into the anode ear (14) and negative electrode lug (15) of continuous coiled battery core (11).
5. the lithium rechargeable battery that a kind of multi-winding-core as claimed in claim 4 continuously winds, it is characterised in that anode ear
(14) attachment structure is：It is successively from top to bottom the first aluminum riveting tabletting, the first anode ear, positive terminal connection sheet, second just
Lug, the second aluminum riveting tabletting, aluminium rivet sequentially passes through said structure, and by flange of colding pressing anode ear (14) and positive terminal are connected
Contact pin rivets the anelectrode to form battery.
6. the lithium rechargeable battery that a kind of multi-winding-core as claimed in claim 4 continuously winds, it is characterised in that negative electrode lug
(15) attachment structure is：It is successively from top to bottom the first bronze medal riveting tabletting, the first negative electrode lug, negative terminal connection sheet, second negative
Lug, the second bronze medal riveting tabletting, copper rivet sequentially passes through said structure, and by flange of colding pressing negative electrode lug (15) and negative terminal are connected
Contact pin rivets the negative electrode to form battery.
7. the lithium rechargeable battery of the continuous winding of a kind of multi-winding-core as claimed in claim 6, it is characterised in that anode ear and
Each punching on negative electrode lug has two rivet holes, and each punching on riveting tabletting (5) correspondence position at anode ear and negative electrode lug has two rivetings
Nail through hole, rivet hole is identical with the diameter of rivet through hole and the mm of diameter 0.4 more than rivet (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621273430.1U CN206163634U (en) | 2016-11-25 | 2016-11-25 | Lithium ion secondary cell that multireel core was convoluteed in succession |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621273430.1U CN206163634U (en) | 2016-11-25 | 2016-11-25 | Lithium ion secondary cell that multireel core was convoluteed in succession |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206163634U true CN206163634U (en) | 2017-05-10 |
Family
ID=58661120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621273430.1U Active CN206163634U (en) | 2016-11-25 | 2016-11-25 | Lithium ion secondary cell that multireel core was convoluteed in succession |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206163634U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107482153A (en) * | 2017-06-15 | 2017-12-15 | 力神动力电池系统有限公司 | A kind of new paper tinsel lug winding battery pole group and cover board connection structure |
| CN107732044A (en) * | 2017-11-16 | 2018-02-23 | 广州中国科学院工业技术研究院 | Lithium ion battery and its covering plate structure |
| WO2023279230A1 (en) * | 2021-07-05 | 2023-01-12 | Hefei Gotion High-Tech Power Energy Co., Ltd. | Cylindrical battery cell, battery and method for forming cylindrical battery cell |
-
2016
- 2016-11-25 CN CN201621273430.1U patent/CN206163634U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107482153A (en) * | 2017-06-15 | 2017-12-15 | 力神动力电池系统有限公司 | A kind of new paper tinsel lug winding battery pole group and cover board connection structure |
| CN107482153B (en) * | 2017-06-15 | 2023-10-27 | 力神（青岛）新能源有限公司 | Novel foil tab winding battery pole group and cover plate connection structure |
| CN107732044A (en) * | 2017-11-16 | 2018-02-23 | 广州中国科学院工业技术研究院 | Lithium ion battery and its covering plate structure |
| WO2023279230A1 (en) * | 2021-07-05 | 2023-01-12 | Hefei Gotion High-Tech Power Energy Co., Ltd. | Cylindrical battery cell, battery and method for forming cylindrical battery cell |
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