CN104659292A - Cylindrical lithium ion battery and machining process thereof - Google Patents
Cylindrical lithium ion battery and machining process thereof Download PDFInfo
- Publication number
- CN104659292A CN104659292A CN201510071480.5A CN201510071480A CN104659292A CN 104659292 A CN104659292 A CN 104659292A CN 201510071480 A CN201510071480 A CN 201510071480A CN 104659292 A CN104659292 A CN 104659292A
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- China
- Prior art keywords
- negative
- cover
- positive
- battery core
- lithium ion
- Prior art date
- 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 claims abstract description 26
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 26
- 238000003754 machining Methods 0.000 title abstract 3
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 238000005516 engineering process Methods 0.000 claims description 15
- 238000005096 rolling process Methods 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000002788 crimping Methods 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- 238000012858 packaging process Methods 0.000 claims description 3
- 230000000717 retained effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 229910018487 Ni—Cr Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000000693 micelle Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0407—Methods of deposition of the material by coating on an electrolyte layer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0419—Methods of deposition of the material involving spraying
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Secondary Cells (AREA)
- Primary Cells (AREA)
Abstract
The invention relates to the technical field of batteries and particularly relates to a cylindrical lithium ion battery and a machining process thereof. The cylindrical lithium ion battery comprises a straight cylindrical shell, a positive electrode cover, a negative electrode cover and a battery cell, wherein openings are formed in two ends of the straight cylindrical shell; the battery cell is located in the straight cylindrical shell, a positive electrode and a negative electrode are respectively arranged in a positive blank and a negative blank in the upper and lower ends of the battery cell; a positive contact piece which is in contact with the positive blank of the battery cell is arranged at the bottom in the positive electrode cover and penetrates through the outer end of the positive electrode cover, and a negative contact piece which is in contact with the negative blank of the battery cell is arranged at the bottom in the negative electrode cover and penetrates through the outer end of the negative electrode cover. According to the machining process, the surface contact among the positive contact piece, the negative contact piece and the battery cell is achieved by virtue of extrusion of the positive electrode cover and the negative electrode cover, so that the welding processes are reduced, the full automatic process can be realized, the battery capacity is increased, the security coefficient is increased, the inputs of materials and equipment are saved, and the production cost is lowered.
Description
Technical field
The present invention relates to cell art, refer in particular to a kind of cylindricality lithium ion battery and processing technology thereof.
Background technology
Existing cylindricality lithium ion battery, the two ends of battery core are respectively arranged with positive electrode seat, negative pole seat, positive electrode seat, negative pole seat have pressed respectively positive pole ear, negative lug, and positive pole ear, negative lug are seal-installed in aluminum shell after being connected with the positive pole nipple of positive terminal on cover plate and the negative pole nipple of negative terminal respectively.
Concerning battery core, its structure is roughly as follows: positive and negative plate top layer respectively connects an extraction pole by the mode such as riveting, ultrasonic bonding that presses, stings; The shortcoming of the battery core of this structure has: (1) coating pole piece area that need leave some space carries out pressing or sting riveting operation, waste volume space, (2) damage coating pole piece; Output particle, dust etc. can cause potential safety hazard simultaneously; (3) after connecting, internal resistance produces otherness; (4) production complexity is increased.
In addition, the extraction pole of battery core or directly connect peripheral loop through sealant, or connect with internal terminal on sealant and link peripheral loop by the external lug of this terminal again; Also there is the shortcoming of complex structure, processing time consuming in this structure.
Existing cylindricality lithium ion battery, adopts the mode of one end sealing, makes battery or housing and negative pole conducting thus charged, or be necessary for positive and negative electrodes in same to lead-out mode.These two kinds of structures all make the positive and negative very easily contact of battery form short circuit, thus produce potential safety hazard.
Due to existing cylindricality lithium ion battery structure has lug, battery core has extraction pole, so the manufacturing procedure of battery generally has the following two kinds: (1) prepares burden, be coated with, cut, nail joint, volume are scratched, overlap micelle, fluid injection (immersion type), group vertical (entering shell sealing one), change into, partial volume, packaging; (2) batching, coating, film-making (lug connection), volume scratch, enter shell, slot rolling, fluid injection (dripping type), seal, change into, partial volume, packaging.These two kinds of manufacturing procedures all have the shortcoming of more complicated.
Therefore, based on the defect of above-mentioned existing cylindricality lithium ion battery and processing technology thereof, need to improve existing cylindricality lithium ion battery and processing technology thereof.
Summary of the invention
The object of the invention is to provide a kind of cylindricality lithium ion battery and processing technology thereof for the deficiencies in the prior art, it can solve existing for existing battery and processing technology: complex structure, fail safe are low, the defect such as capacity constraint, processing time consuming.
For achieving the above object, the present invention is achieved by the following technical solutions:
Cylindricality lithium ion battery, comprise straight barrel type housing, positive cover, negative cover, battery core, straight barrel type housing both ends open, battery core is positioned at straight barrel type housing, and the upper and lower two ends of battery core have respectively just staying and white, negatively stay white and form positive pole, the negative pole of battery core, the inner bottom part of positive cover have with battery core just stay the white positive contact contacted, and positive contact is passing positive cover outer end, the inner bottom part of negative cover has and stays the white negative contact contacted with the negative of battery core, and negative contact passes negative cover outer end.
Concrete, positive cover and positive contact form integral structure by injection moulding is fixing.
More specifically, positive cover, negative cover are also overlapped outward sealing ring.
Further, the lateral wall of positive cover, negative cover has external screw thread, and the madial wall of straight barrel type housing has internal thread.
Further, straight barrel type housing has slot rolling, just staying of the corresponding battery core of slot rolling white or is negatively stayed white, can make positive cover or negative cover and battery core more close contact.
The present invention also comprises the processing technology preparing above-mentioned cylindricality lithium ion battery, production process comprises batching, be coated with, cut, roll up scratch, fluid injection, group stand, wherein, volume scratch be coating pole piece is retained one end stay white and be rolled into one end be just, the other end is negative battery core, the vertical operation of group is fitted together battery core, straight barrel type housing, positive cover, negative cover, makes that just staying of the positive contact of positive cover and battery core whitely contacts, the negative contact of negative cover stays white contact with the negative of battery core.
Wherein, the vertical operation of group comprises: first battery core be inserted in straight barrel type housing, be then pressed into positive cover, negative cover respectively at straight barrel type housing two ends; Or, first positive cover, negative cover and battery core are packaged, then battery core are filled in straight barrel type housing.
Wherein, the vertical operation of group also includes button limit operation: carry out crimping to the straight barrel type housing two ends filling in battery core, make straight barrel type housing two ends batch and compress positive cover, negative cover.
Further, button limit operation also comprises slot rolling operation after completing: on straight barrel type housing, process slot rolling, compressing positive cover or negative cover.
Further, the vertical operation of group also comprise after completing change into, partial volume, packaging process.
Beneficial effect of the present invention is: form positive pole, negative pole at the upper and lower two ends of battery core, utilize positive cover, the extruding of negative cover makes positive contact, negative contact realizes face with battery core and contact, reduce welding procedure, whole-course automation can be realized, battery capacity promotes, coefficient of safety promotes, and saves the input of material and equipment, reduces production cost.
Accompanying drawing explanation
Fig. 1 is the structural principle schematic diagram of the embodiment one of battery of the present invention.
Fig. 2 is the structural principle schematic diagram of the embodiment two of battery of the present invention.
Fig. 3 is the structural principle schematic diagram of the battery pack that the present invention is formed.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
See Fig. 1, cylindricality lithium ion battery of the present invention comprises: straight barrel type housing 1, positive cover 2, negative cover 3, battery core 4, straight barrel type housing 1 both ends open, battery core 4 is positioned at straight barrel type housing 1, and battery core about 4 two ends have respectively and are just staying white 5, negative stay white 6 and form the positive pole of battery core 4, negative pole, the inner bottom part of positive cover 2 has the positive contact 7 just staying white 5 to contact with battery core 4, and positive contact 7 passes positive cover 2 outer end, the inner bottom part of negative cover 3 has the negative negative contact 8 staying white 6 to contact with battery core 4, and negative contact 8 passes negative cover 3 outer end, by positive contact 7, the exposed parts of negative contact 8, make battery and external circuit conducting, positive contact 7 with just stay white 5 can realize face to contact, negative contact 8 can realize face with negative contact 6 and contact.
Straight barrel type housing 1 external form can be annular, triangle, ellipse etc.
Concrete, positive cover 2 forms integral structure with positive contact 7 by injection moulding is fixing, and process velocity is fast.
More specifically, the outer also cover of positive cover 2, negative cover 3 has sealing ring 9, improves the sealing property of product.
Further, straight barrel type housing 1 has slot rolling 11, the corresponding battery core of slot rolling 11 4 just stay white 5 or negative stay white 6, certainly, the outboard structure of positive cover 2, negative cover 3 can correspondingly adjust.
The package assembly of positive cover 2 of the present invention, negative cover 3 and straight barrel type housing 1, two kinds can be had, the first sees Fig. 1, and the lateral wall of positive cover 2, negative cover 3 has external screw thread, the madial wall of straight barrel type housing 1 has internal thread, adopt the mode of thread connection, by controlling positive cover 2, the rotating cycle of negative cover 3 makes positive contact 7, negative contact 8 extrudes battery core 4 and reaches and connect effect closely, further, the inwall of slot rolling 11 position also has screw thread, connects tightr; The second is, see Fig. 2, the structure of vertical extruding, directly positive cover 2, negative cover 3 are pressed in straight barrel type housing 1, make positive contact 7 by control dynamics, negative contact 8 extrudes battery core 4 and reach and connect effect closely, in this structure, positive cover 2, negative cover 3 directly adopt the shape of gum cover, meanwhile, can without sealing ring 9.
The present invention also comprises the processing technology preparing above-mentioned cylindricality lithium ion battery, production process comprises batching, be coated with, cut, roll up scratch, fluid injection, group stand, wherein, volume scratch be coating pole piece is retained one end stay white and be rolled into one end be just, the other end is negative battery core 4, the vertical operation of group is fitted together battery core 4, straight barrel type housing 1, positive cover 2, negative cover 3, make the positive contact 7 of positive cover 2 and battery core 4 just stay white 5 to contact, the negative contact 8 of negative cover 3 stays white 6 to contact with the negative of battery core 4.
Wherein, the vertical operation of group comprises: be first inserted in straight barrel type housing 1 by battery core 4, be then pressed into positive cover 2, negative cover 3 respectively at straight barrel type housing 1 two ends; Or, first positive cover 2, negative cover 3 are packaged with battery core 4, then battery core 4 are filled in straight barrel type housing 1.
Wherein, the vertical operation of group also includes button limit operation: carry out crimping to straight barrel type housing 1 two ends filling in battery core 4, straight barrel type housing 1 two ends are batched and compresses positive cover 2, negative cover 3, improve the sealing of product further.
Further, button limit operation also comprises slot rolling operation after completing: on straight barrel type housing 1, process slot rolling 11, compressing positive cover 2 or negative cover 3, the elastic characteristic of combination seal circle 9, reaches better sealing.
Further, the vertical operation of group also comprise after completing change into, partial volume, packaging process.
Battery of the present invention is positive and negative end deriving structure, and directly linking external circuit according to polarity can use.
Each manufacturing procedure of the present invention can realize mechanization production substantially, reduces the impact of human factor, enhances productivity and product quality.Go for comprehensive size cell that diameter is greater than 3mm, be more suitable for the demand of different Client application aspect.
You need to add is that, the present invention can also go out battery pack by extending design, as shown in Figure 3: comprise upper cover, lower cover, multiple battery core, upper cover has multiple positive cover of the present invention 2 structure, lower cover has multiple negative cover of the present invention 3 structure, positive contact 7, negative contact 8 has multiple contact site respectively, contact with multiple battery core 4, for battery pack, on the external connection portion of drawing has respectively, lower two, upper cover freely can be connected the circuit of each battery core 4 with lower cover, such as, six groups of whole positive poles of battery core 4 shown in figure upward, negative pole down, or, group battery core 4 positive pole of the left side three shown in figure upward, negative pole down, three groups of battery core 4 negative poles in the right upward, positive pole down, realize different needs for electricity, the both positive and negative polarity of each battery core can change, overall internal resistance impact is little, therefore not to repeat here.
The present invention is applicable to positive and negative plate assembles battery core battery assembly field by lamination, the volume mode such as to scratch, be not limited to ni-mh, nickel chromium triangle, lithium ion, polymer battery, simultaneously, the present invention is also not limited to columniform battery, other shaped cells also can with reference to structure of the present invention and processing technology, the shape in the cross section that battery core 4 reels is not limit, the shape in the cross section that battery core 4 reels is not limit, can be annular, triangle, ellipse etc., in like manner, the shape of positive cover 2, negative cover 3 is not limit, and can be annular, triangle, ellipse etc.
Advantage of the present invention has: 1, decrease welding procedure, simplifies flow process; 2, improve automaticity, can whole-course automation be realized; 3, the internal resistance consistency of battery is high, can reach 96%; 4, under equal volume, battery capacity promotes 0.5%; 5, coefficient of safety promotes 2 times, removes the burr that lug connection procedure produces and the impact of removing lug generation itself; 6, cost reduces, and can save the Meteorological of lug buying expenses and process equipment.
Certainly, the embodiment of the above, just preferred embodiments of the present invention, and unrestricted the scope of the present invention, therefore all equivalences done according to structure, feature and the principle described in the present patent application the scope of the claims change or modify, and all should be included in the present patent application the scope of the claims.
Claims (10)
1. cylindricality lithium ion battery, it is characterized in that: comprise straight barrel type housing, positive cover, negative cover, battery core, straight barrel type housing both ends open, battery core is positioned at straight barrel type housing, and the upper and lower two ends of battery core have respectively just staying and white, negatively stay white and form positive pole, the negative pole of battery core, the inner bottom part of positive cover have with battery core just stay the white positive contact contacted, and positive contact passes positive cover outer end, the inner bottom part of negative cover has and stays the white negative contact contacted with the negative of battery core, and negative contact passes negative cover outer end.
2. cylindricality lithium ion battery according to claim 1, is characterized in that: positive cover and positive contact form integral structure by injection moulding is fixing.
3. cylindricality lithium ion battery according to claim 1, is characterized in that: positive cover, negative cover are also overlapped outward sealing ring.
4. cylindricality lithium ion battery according to claim 1, it is characterized in that: the lateral wall of positive cover, negative cover has external screw thread, the madial wall of straight barrel type housing has internal thread.
5. cylindricality lithium ion battery according to claim 1, is characterized in that: straight barrel type housing has slot rolling, the corresponding battery core of slot rolling just stay white or negative stay white.
6. the processing technology of cylindricality lithium ion battery according to claim 1, it is characterized in that: production process comprises batching, be coated with, cut, roll up scratch, fluid injection, group stand, wherein, volume scratch be coating pole piece is retained one end stay white and be rolled into one end be just, the other end is negative battery core, the vertical operation of group is fitted together battery core, straight barrel type housing, positive cover, negative cover, makes that just staying of the positive contact of positive cover and battery core whitely contacts, the negative contact of negative cover stays white contact with the negative of battery core.
7. the processing technology of cylindricality lithium ion battery according to claim 6, is characterized in that: the vertical operation of group comprises: first battery core be inserted in straight barrel type housing, be then pressed into positive cover, negative cover respectively at straight barrel type housing two ends; Or, first positive cover, negative cover and battery core are packaged, then battery core are filled in straight barrel type housing.
8. the processing technology of cylindricality lithium ion battery according to claim 7, it is characterized in that: the vertical operation of group also includes button limit operation: carry out crimping to the straight barrel type housing two ends filling in battery core, make straight barrel type housing two ends batch and compress positive cover, negative cover.
9. the processing technology of cylindricality lithium ion battery according to claim 8, is characterized in that: also comprise slot rolling operation after button limit operation completes: on straight barrel type housing, process slot rolling, compressing positive cover or negative cover.
10. the processing technology of cylindricality lithium ion battery according to claim 6, is characterized in that: also comprise after the vertical operation of group completes change into, partial volume, packaging process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510071480.5A CN104659292B (en) | 2015-02-11 | 2015-02-11 | Cylindricality lithium ion battery and its processing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510071480.5A CN104659292B (en) | 2015-02-11 | 2015-02-11 | Cylindricality lithium ion battery and its processing technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104659292A true CN104659292A (en) | 2015-05-27 |
| CN104659292B CN104659292B (en) | 2017-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510071480.5A Expired - Fee Related CN104659292B (en) | 2015-02-11 | 2015-02-11 | Cylindricality lithium ion battery and its processing technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104659292B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106898822A (en) * | 2017-05-05 | 2017-06-27 | 惠州亿纬锂能股份有限公司 | A kind of lithium battery production technology and lithium battery |
| CN108649180A (en) * | 2018-05-02 | 2018-10-12 | 北京国能电池科技股份有限公司 | The coating method of electrodes of lithium-ion batteries and its electrodes of lithium-ion batteries of preparation |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010049054A1 (en) * | 2000-05-24 | 2001-12-06 | Ngk Insulators, Ltd. | Lithium secondary cell and assembly thereof |
| JP2003022791A (en) * | 2001-07-09 | 2003-01-24 | Ngk Insulators Ltd | Lithium secondary battery |
| CN101593849A (en) * | 2009-06-17 | 2009-12-02 | 广州丰江电池新技术股份有限公司 | A kind of lithium battery and manufacture method thereof |
| CN202308190U (en) * | 2011-08-18 | 2012-07-04 | 合肥国轩高科动力能源有限公司 | A new tab high-rate lithium-ion battery |
-
2015
- 2015-02-11 CN CN201510071480.5A patent/CN104659292B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010049054A1 (en) * | 2000-05-24 | 2001-12-06 | Ngk Insulators, Ltd. | Lithium secondary cell and assembly thereof |
| JP2003022791A (en) * | 2001-07-09 | 2003-01-24 | Ngk Insulators Ltd | Lithium secondary battery |
| CN101593849A (en) * | 2009-06-17 | 2009-12-02 | 广州丰江电池新技术股份有限公司 | A kind of lithium battery and manufacture method thereof |
| CN202308190U (en) * | 2011-08-18 | 2012-07-04 | 合肥国轩高科动力能源有限公司 | A new tab high-rate lithium-ion battery |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106898822A (en) * | 2017-05-05 | 2017-06-27 | 惠州亿纬锂能股份有限公司 | A kind of lithium battery production technology and lithium battery |
| CN108649180A (en) * | 2018-05-02 | 2018-10-12 | 北京国能电池科技股份有限公司 | The coating method of electrodes of lithium-ion batteries and its electrodes of lithium-ion batteries of preparation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104659292B (en) | 2017-10-20 |
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Granted publication date: 20171020 Termination date: 20210211 |