CN202050025U - Laminated lithium battery - Google Patents
Laminated lithium battery Download PDFInfo
- Publication number
- CN202050025U CN202050025U CN2011200045555U CN201120004555U CN202050025U CN 202050025 U CN202050025 U CN 202050025U CN 2011200045555 U CN2011200045555 U CN 2011200045555U CN 201120004555 U CN201120004555 U CN 201120004555U CN 202050025 U CN202050025 U CN 202050025U
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- positive
- negative
- plate
- paper tinsel
- empty paper
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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
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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
- 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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Abstract
The utility model discloses a laminated lithium battery, which comprises positive plates, negative plates, positive lugs, negative lugs, and a diaphragm, wherein the cross section of the diaphragm adopts a continuous Z-shaped folding structure; a positive plate and a negative plate forming a pair are respectively inserted into two folding points of a single Z-shaped structure of the diaphragm; the outward surface of the first positive plate adopts a blank foil surface without a coating, and the positive lug is welded on the outward surface of the positive plate; the outward surface of the last negative plate adopts a blank foil surface without a coating, and the negative lug is welded on the outward surface of the negative plate; and blank foil edges without coatings are respectively reserved on the positive and negative plates in pairs in the middle. In the laminated lithium battery, the manufacturing process of the plates is simple and the operation method is convenient, so that lamination efficiency of staffs can be greatly improved; the uniformity of the laminated roll core is high and burrs are fewer, so that the battery is safer; and the plate structure and the lamination method are also applicable to an automatic and semi-automatic machine lamination operation.
Description
Technical field
The utility model relates to the lithium ion battery field, relates in particular to a kind ofly the pole piece structure to be made improvements for the potential safety hazard of eliminating stacked lithium battery.
Background technology
Along with the fast development of digital product, more and more higher to the performance requirement of lithium battery.The lamination of battery has lamination and reels two kinds, usually draw the energy of laminated batteries at present by the positive and negative lug on the positive/negative plate, lug position on the both positive and negative polarity pole piece that uses in the lithium ion battery lamination technology is normally die-cut comes out, manual die-cut complex process own, efficient is low, and can produce burr, battery performance is had potential safety hazard.Used positive and negative plate all needs to go out the lug head with special cutter, and this method once can only be gone out several pole pieces, and efficient is low.Use die-cut pole piece may stay burr, behind the lamination, cause electric in-core portion micro-short circuit.
Summary of the invention
At above-mentioned technological deficiency, the technical problem that the present invention need solve is low, the die-cut jagged problem of pole piece of manual clicking technique complexity, efficient that solves lithium battery.
For solving the problems of the technologies described above, the present invention is achieved by the following technical solutions: a kind of stacked lithium battery, comprise positive/negative plate, both positive and negative polarity lug and barrier film, it is Z-shaped folding that described barrier film cross section is continuously, the folding two ends of single Z-shaped barrier film are inserted paired positive plate and negative plate respectively, the export-oriented face of described first positive plate is the empty paper tinsel face that does not have coating, is welded with positive pole ear on the export-oriented face of positive plate; The export-oriented face of described tailpiece negative plate also is the empty paper tinsel face that does not have coating, is welded with negative lug on the export-oriented face of negative plate; All leave on the middle paired positive/negative plate and do not have the empty paper tinsel of coating limit.
Further: in above-mentioned stacked lithium battery, described empty paper tinsel limit all neatly is located at the end of positive/negative plate.During lamination, positive plate single face coating coat side inwards, be empty paper tinsel towards outside, and be welded with positive pole ear, the folded end of single Z-shaped barrier film is inserted on the top, empty paper tinsel face is corresponding with the outermost layer barrier film, then from the negative plate of single Z font barrier film other end insertion with empty paper tinsel limit, empty paper tinsel limit is at the end of negative plate, stack gradually paired positive/negative plate subsequently, and all leaving on the paired positive/negative plate does not have the empty paper tinsel of coating limit, and to the last a slice negative plate is coated with coat side to the negative plate single face inwards, be empty paper tinsel towards outside and be welded with negative lug, the folded end of single Z-shaped barrier film is inserted on the top, and empty paper tinsel face is corresponding with the outermost layer barrier film, and the lug end of last a slice negative pole and first positive pole ear end are in the same side.At last anodal empty paper tinsel limit and the empty paper tinsel of negative pole limit are welded together respectively, lamination is made and is finished.
Perhaps: in above-mentioned stacked lithium battery, the empty paper tinsel limit of described positive plate neatly is located at the upper end of positive plate, and the empty paper tinsel limit of negative plate neatly is located at the bottom of negative plate.During lamination: anodal single face scribble coating towards the lining, empty paper tinsel towards outside and be welded with positive pole ear, the folded end of single Z-shaped barrier film is inserted on the top, then from the negative plate of single Z font barrier film other end insertion with empty paper tinsel limit, empty paper tinsel limit is in the bottom of negative plate, stack gradually paired positive/negative plate subsequently, and all leave on the paired positive/negative plate and do not have the empty paper tinsel of coating limit, the empty paper tinsel limit of positive plate neatly is located at the upper end of positive plate, the empty paper tinsel limit of negative plate neatly is located at the bottom of negative plate, the empty paper tinsel limit of every positive pole and first are in the same side, the empty paper tinsel limit of negative pole and first negative pole are in the same side, a slice negative plate to the last, negative plate single face coating coat side inwards, promptly empty paper tinsel towards outside and be welded with negative lug, the folded end of single Z-shaped barrier film is inserted on the top, empty paper tinsel face is corresponding with the outermost layer barrier film, the negative lug reflexed, make it with positive pole ear at same end.At last the empty paper tinsel limit of the empty paper tinsel limit of positive plate and negative plate is welded together respectively, lamination is made and is finished.
Preferably get, the width on above-mentioned empty paper tinsel limit is 0.2-2cm.
Compared with prior art, above-mentioned stacked lithium battery, comprise positive/negative plate, positive and negative lug and barrier film, it is Z-shaped folding that described barrier film cross section is continuously, the folding two ends of single Z-shaped barrier film are inserted paired positive plate and negative plate respectively, the export-oriented face of described first positive plate is the empty paper tinsel face that does not have coating, is welded with positive pole ear on the export-oriented face of positive plate; The export-oriented face of described tailpiece negative plate also is the empty paper tinsel face that does not have coating, is welded with negative lug on the export-oriented face of negative plate; All leave on the middle paired positive/negative plate and do not have the empty paper tinsel of coating limit.The pole piece process that this method is made is simple, and the empty paper tinsel limit of reservation just can be realized by intermittently being coated with, avoided towards the operation of lug head.This lamination manufacture method is simple, and method of operation is convenient, can improve employee's lamination efficient greatly.The volume core regularity height of folding, burr is few, and battery is safer.The structure of pole piece and laminating method also are highly suitable for operating with automanual machine lamination automatically.
Description of drawings
Fig. 1 is the crosscut sketch of the lamination of execution mode one; Fig. 2 is that the side of the lamination of execution mode two is cut the amplification sketch; Wherein: 1 positive pole ear, 2 negative lug, 3 barrier films, the export-oriented face of 4 positive plates, the export-oriented face of 5 negative plates, 6 empty paper tinsel limits, 7 ends, 8 upper ends, 9 bottoms.
Embodiment
For the ease of those skilled in the art's understanding, structural principle of the present invention is described in further detail below in conjunction with specific embodiment and accompanying drawing.
Execution mode one: as Fig. 1, a kind of stacked lithium battery, comprise positive/negative plate, both positive and negative polarity lug 1,2 and barrier film 3, it is Z-shaped folding that described barrier film cross section is continuously, the folding two ends of single Z-shaped barrier film are inserted paired positive plate and negative plate respectively, the export-oriented face 4 of described first positive plate is the empty paper tinsel faces that do not have coating, is welded with positive pole ear 1 on the export-oriented face 4 of positive plate; The export-oriented face 5 of described tailpiece negative plate also is the empty paper tinsel face that does not have coating, is welded with negative lug 2 on the export-oriented face 5 of negative plate; All leave on the middle paired positive/negative plate and do not have the empty paper tinsel of coating limit 6.Described empty paper tinsel limit 6 all neatly is located at the end 7 of positive/negative plate.During lamination, positive plate single face coating coat side inwards, the empty paper tinsel face 4 that is positive plate is outside, and be welded with positive pole ear 1, the folded end of single Z-shaped barrier film is inserted on the top, the empty paper tinsel face 4 of positive plate is corresponding with the outermost layer barrier film, then from the negative plate of single Z font barrier film other end insertion with empty paper tinsel limit 6, empty paper tinsel limit 6 is at the end 7 of negative plate, stack gradually paired positive/negative plate subsequently, and all leaving on the paired positive/negative plate does not have the empty paper tinsel of coating limit 6, and to the last a slice negative plate is coated with coat side to the negative plate single face inwards, be negative plate empty paper tinsel face 5 outwards and be welded with negative lug, the folded end of single Z-shaped barrier film is inserted on the top, and the empty paper tinsel face 5 of negative pole is corresponding with the outermost layer barrier film, and the lug end of last a slice negative pole and first positive pole ear end are in the same side.At last anodal empty paper tinsel limit and the empty paper tinsel of negative pole limit are welded together respectively, lamination is made and is finished.
Execution mode two: as Fig. 2, a kind of stacked lithium battery, comprise positive/negative plate, both positive and negative polarity lug and barrier film, it is Z-shaped folding that described barrier film cross section is continuously, the folding two ends of single Z-shaped barrier film are inserted paired positive plate and negative plate respectively, the export-oriented face 4 of described first positive plate is the empty paper tinsel faces that do not have coating, is welded with positive pole ear on the export-oriented face 4 of positive plate; The export-oriented face 5 of described tailpiece negative plate also is the empty paper tinsel face that does not have coating, is welded with negative lug on the export-oriented face 5 of negative plate; All leave on the middle paired positive/negative plate and do not have the empty paper tinsel of coating limit 6.The empty paper tinsel limit 6 of described positive plate neatly is located at the upper end 8 of positive plate, and the empty paper tinsel limit of negative plate neatly is located at the bottom 9 of negative plate.During lamination: anodal single face scribble coating towards the lining, the empty paper tinsel face 4 of positive plate outwards and be welded with positive pole ear, the folded end of single Z-shaped barrier film 3 is inserted on the top, then from the negative plate of single Z font barrier film 3 other ends insertion with empty paper tinsel limit 6, empty paper tinsel limit 6 is in the bottom 9 of negative plate, stack gradually paired positive/negative plate subsequently, and all leave on the paired positive/negative plate and do not have the empty paper tinsel of coating limit 6, the empty paper tinsel limit of positive plate neatly is located at the upper end 8 of positive plate, the empty paper tinsel limit of negative plate neatly is located at the bottom 9 of negative plate, the empty paper tinsel limit 6 of every positive pole and first are in the same side, the empty paper tinsel limit 6 of negative pole and first negative pole are in the same side, a slice negative plate to the last, negative plate single face coating coat side inwards, promptly the empty paper tinsel face 5 of negative plate is outwards and be welded with negative lug, the folded end of single Z-shaped barrier film is inserted on the top, the empty paper tinsel face 5 of negative pole is corresponding with the outermost layer barrier film, with the negative lug reflexed, make it with positive pole ear at same end.At last the empty paper tinsel limit 6 of the empty paper tinsel limit 6 of positive plate and negative plate is welded together respectively, lamination is made and is finished.
Preferably get, the width on above-mentioned empty paper tinsel limit is 0.2-2cm.
The above is a preferred embodiment of the present utility model, and under the situation that does not break away from the present invention's design, any conspicuous distortion and the replacement carried out all belong within the protection range of the present invention.
Claims (4)
1. stacked lithium battery, comprise positive/negative plate, both positive and negative polarity lug (1,2) and barrier film (3), it is Z-shaped folding that described barrier film cross section is continuously, the folding two ends of single Z-shaped barrier film are inserted paired positive plate and negative plate respectively, it is characterized in that: the described export-oriented face of first positive plate (4) is the empty paper tinsel face that does not have coating, is welded with positive pole ear (1) on the export-oriented face of positive plate (4); The export-oriented face of described tailpiece negative plate (5) also is the empty paper tinsel face that does not have coating, is welded with negative lug (2) on the export-oriented face of negative plate (5); All leave on the middle paired positive/negative plate and do not have the empty paper tinsel of coating limit (6).
2. stacked lithium battery according to claim 1 is characterized in that: described empty paper tinsel limit (6) all neatly is located at the end (7) of positive/negative plate.
3. stacked lithium battery according to claim 1 is characterized in that: the empty paper tinsel limit (6) of described positive plate neatly is located at the upper end (8) of positive plate, and the empty paper tinsel limit (6) of negative plate neatly is located at the bottom (9) of negative plate.
4. according to claim 2 or 3 described stacked lithium batteries, it is characterized in that: the width on described empty paper tinsel limit (6) is 0.2-2cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200045555U CN202050025U (en) | 2011-01-10 | 2011-01-10 | Laminated lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200045555U CN202050025U (en) | 2011-01-10 | 2011-01-10 | Laminated lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202050025U true CN202050025U (en) | 2011-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200045555U Expired - Lifetime CN202050025U (en) | 2011-01-10 | 2011-01-10 | Laminated lithium battery |
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| Country | Link |
|---|---|
| CN (1) | CN202050025U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104051792A (en) * | 2014-07-03 | 2014-09-17 | 宁德新能源科技有限公司 | Preparation method of non-rectangular lamination battery cell |
| CN104900905A (en) * | 2015-06-03 | 2015-09-09 | 深圳市迪凯特电池科技有限公司 | Laminated lithium ion battery and production process thereof |
| CN104979584A (en) * | 2015-06-15 | 2015-10-14 | 钟其勇 | Polymer lithium-ion battery and processing process thereof |
| CN105140462A (en) * | 2015-08-06 | 2015-12-09 | 深圳市聚和源科技有限公司 | Method for improving rate discharge of soft-package ion battery |
| CN108987817A (en) * | 2018-08-02 | 2018-12-11 | 合肥国轩高科动力能源有限公司 | A kind of lamination device and laminating method of lithium battery |
| CN109193039A (en) * | 2018-10-17 | 2019-01-11 | 珠海格力电器股份有限公司 | Laminated cell and preparation method thereof, lithium battery |
| CN110970680A (en) * | 2018-09-28 | 2020-04-07 | 有量科技股份有限公司 | Method for disassembling battery core |
| CN111180782A (en) * | 2019-12-31 | 2020-05-19 | 江苏春兰清洁能源研究院有限公司 | Method for manufacturing secondary battery by adopting double-core-cladding lamination and integral riveting |
| CN112151880A (en) * | 2020-10-13 | 2020-12-29 | 苏州金丝港智能发展股份有限公司 | Lithium battery cell lamination device and use method thereof |
| CN112615062A (en) * | 2020-12-19 | 2021-04-06 | 山东聚信新能源科技有限公司 | High-energy-density laminated lithium ion battery pole group, manufacturing method thereof and battery |
-
2011
- 2011-01-10 CN CN2011200045555U patent/CN202050025U/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104051792A (en) * | 2014-07-03 | 2014-09-17 | 宁德新能源科技有限公司 | Preparation method of non-rectangular lamination battery cell |
| CN104051792B (en) * | 2014-07-03 | 2016-03-09 | 宁德新能源科技有限公司 | The preparation method of non-rectangle laminated cell |
| CN104900905A (en) * | 2015-06-03 | 2015-09-09 | 深圳市迪凯特电池科技有限公司 | Laminated lithium ion battery and production process thereof |
| CN104979584A (en) * | 2015-06-15 | 2015-10-14 | 钟其勇 | Polymer lithium-ion battery and processing process thereof |
| CN105140462A (en) * | 2015-08-06 | 2015-12-09 | 深圳市聚和源科技有限公司 | Method for improving rate discharge of soft-package ion battery |
| CN108987817B (en) * | 2018-08-02 | 2020-06-12 | 合肥国轩高科动力能源有限公司 | Lithium battery lamination device and lamination method |
| CN108987817A (en) * | 2018-08-02 | 2018-12-11 | 合肥国轩高科动力能源有限公司 | A kind of lamination device and laminating method of lithium battery |
| CN110970680A (en) * | 2018-09-28 | 2020-04-07 | 有量科技股份有限公司 | Method for disassembling battery core |
| CN109193039A (en) * | 2018-10-17 | 2019-01-11 | 珠海格力电器股份有限公司 | Laminated cell and preparation method thereof, lithium battery |
| CN111180782A (en) * | 2019-12-31 | 2020-05-19 | 江苏春兰清洁能源研究院有限公司 | Method for manufacturing secondary battery by adopting double-core-cladding lamination and integral riveting |
| CN111180782B (en) * | 2019-12-31 | 2022-11-08 | 江苏春兰清洁能源研究院有限公司 | Method for manufacturing secondary battery by adopting double-core-cladding lamination and integral riveting |
| CN112151880A (en) * | 2020-10-13 | 2020-12-29 | 苏州金丝港智能发展股份有限公司 | Lithium battery cell lamination device and use method thereof |
| CN112151880B (en) * | 2020-10-13 | 2022-03-29 | 山东德晋新能源科技有限公司 | Lithium battery cell lamination device and use method thereof |
| CN112615062A (en) * | 2020-12-19 | 2021-04-06 | 山东聚信新能源科技有限公司 | High-energy-density laminated lithium ion battery pole group, manufacturing method thereof and battery |
| CN112615062B (en) * | 2020-12-19 | 2023-02-14 | 山东聚信新能源科技有限公司 | High-energy-density laminated lithium ion battery pole group, manufacturing method thereof and battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HUIZHOU EVE ENERGY CO., LTD. Free format text: FORMER OWNER: HUIZHOU DESAY POLYPOWER BATTERY CO., LTD. Effective date: 20130703 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130703 Address after: Seven road 516006 in Guangdong province Huizhou City Zhongkai high tech Zone Huifeng No. 36 Patentee after: Huizhou EVE Energy Co., Ltd. Address before: 516006 Guangdong province Huizhou City Zhongkai high tech Zone No. 6 District ----7 plots Patentee before: Huizhou Desay Polypower Battery Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20111123 |
|
| CX01 | Expiry of patent term |