CN105811016B - A kind of production method of laminated lithium ion battery - Google Patents
A kind of production method of laminated lithium ion battery Download PDFInfo
- Publication number
- CN105811016B CN105811016B CN201610361063.9A CN201610361063A CN105811016B CN 105811016 B CN105811016 B CN 105811016B CN 201610361063 A CN201610361063 A CN 201610361063A CN 105811016 B CN105811016 B CN 105811016B
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- China
- Prior art keywords
- diaphragm
- lithium ion
- ion battery
- negative plate
- positive
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical class [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000004804 winding Methods 0.000 claims abstract description 7
- 239000012528 membrane Substances 0.000 claims abstract description 4
- 238000010008 shearing Methods 0.000 claims abstract description 3
- 230000008569 process Effects 0.000 abstract description 5
- 238000005520 cutting process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000003475 lamination Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0583—Construction or manufacture of accumulators with folded construction elements except wound ones, i.e. folded positive or negative electrodes or separators, e.g. with "Z"-shaped electrodes or separators
-
- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
The present invention relates to a kind of production methods of laminated lithium ion battery, include the following steps：（1）The identical diaphragm of multiple sizes is chosen, which is arranged in parallel within same level；（2）The positive plate and negative plate for choosing multiple strips, by multiple positive plates and negative plate, alternate intervals are fixed on membrane surface successively；（3）Shearing is carried out along the both sides of diaphragm form pole piece diaphragm complex by shear；（4）Pole piece diaphragm complex is prepared into stack type lithium ion battery by winding.The production method of laminated lithium ion battery of the present invention, reduce the transfer of positive/negative plate and the battery unit including positive/negative plate and diaphragm, reduce the process of battery production, the efficiency of battery production is greatly improved, the cost for also reducing battery production simultaneously, manufactures with directive function current battery.
Description
Technical field
The present invention relates to lithium ion battery manufacture technology fields, and in particular to a kind of making side of laminated lithium ion battery
Method.
Background technology
Lithium ion battery has many advantages, such as that energy density is high, has extended cycle life, self discharge is small, memory-less effect, from commodity
Since change, has received widespread attention and applied.
The production method of lithium ion battery mainly has takeup type and two kinds stacked at present.Coiled battery is positive plate
Continuous sheet type is made with negative plate, centre is separated by diaphragm, and battery roll core is then made by way of winding.It is this
There is stress concentration in traditional coiled lithium ion battery, pole piece is swollen as caused by charge and discharge in the place that pole piece is bent
Swollen and contraction long-term accumulated is likely to result in the deformation of pole piece, influences battery performance.
Positive/negative plate is mainly cut into monolithic by stack type lithium ion battery respectively, and diaphragm is in Z-shaped lap wound, positive and negative anodes list
Piece intersects successively to be stacked, and centre is separated by diaphragm.Or positive plate, diaphragm, negative plate are stacked into composition battery cell, battery successively
The monomer bit combination on second layer diaphragm again, by second layer membrane winding at battery roll core.Although stack type lithium ion battery
The disadvantage during traditional coiled lithium ion battery makes is improved, but there are positive and negative anodes monolithic or battery cells for laminated batteries
Transfer, increase manufacturing process, influence production efficiency.
Invention content
The purpose of the present invention is to provide a kind of production methods of laminated lithium ion battery, to improve lithium ion battery production
Efficiency.
To achieve the above object, present invention employs following technical schemes：
A kind of production method of laminated lithium ion battery, includes the following steps：
（1）The identical diaphragm of multiple sizes is chosen, which is arranged in parallel within same level；
（2）The positive plate and negative plate for choosing multiple strips, by multiple positive plates and negative plate, alternate intervals are consolidated successively
Due to membrane surface；
（3）Shearing is carried out along the both sides of diaphragm form pole piece-diaphragm complex by shear；
（4）Pole piece-diaphragm complex is prepared into stack type lithium ion battery by winding.
The positive plate and negative plate are respectively perpendicular the both sides for being fixed on diaphragm, and positive plate after fixing and negative plate are in
Alternating is uniformly distributed.
The anode monolithic, cathode monolithic and diaphragm are fixed to each other by hot complex method.
The width of the diaphragm is more than the width of positive plate or negative plate.
Further, the diaphragm width is more than 2~6cm that positive plate or negative plate are sliced.
As shown from the above technical solution, the production method of laminated lithium ion battery of the present invention, passes through positive and negative anodes
It is positioned directly on diaphragm after cutting fragment, reduces turn of positive/negative plate and the battery unit including positive/negative plate and diaphragm
Move, reduce the process of battery production, the efficiency of battery production be greatly improved, while also reduce battery production at
This, manufactures with directive function current battery.
Description of the drawings
Fig. 1 is the process schematic diagram of the lithium ion battery lamination of embodiment in the present invention first；
Fig. 2 is the structural schematic diagram of embodiment lithium ion battery lamination in the present invention first；
Fig. 3 is the process schematic diagram of the lithium ion battery lamination of embodiment in the present invention second；
Fig. 4 is the structural schematic diagram of embodiment lithium ion battery lamination in the present invention second.
Specific implementation mode
The present invention will be further described below in conjunction with the accompanying drawings：
Embodiment 1
（1）The identical diaphragm 10 of 1~n sizes is chosen, which is arranged in parallel within same level；
（2）The positive plate 20 and negative plate 30 for choosing 1~n strips, 1~n positive plates 20 and negative plate 30 are handed over successively
The surface of 10 the same side of diaphragm is fixed on for interval, as shown in Figure 1.In the step, positive plate 20 and negative plate 30 are multiple by heat
Conjunction mode is fixed with 10 phase of diaphragm.
（3）It is sheared along the both sides of diaphragm 10 by shear 40, after positive plate 20 and negative plate 30 are by cutting
Form the electrode slice 21,31 of predefined size shape；Electrode slice 21,31 is rotated by 90 ° by manipulator 40 makes lug be located at
Directly positioning arrangement forms pole piece-diaphragm complex, as shown in Figure 2 on diaphragm 10 after on the outside of diaphragm.
（4）Pole piece-diaphragm complex is prepared into stack type lithium ion battery by winding.
Embodiment 2
（1）The identical diaphragm 10 of 1~n sizes is chosen, which is arranged in parallel within same level；
（2）The positive plate 20 and negative plate 30 for choosing 1~n strips, 1~n positive plates 20 and negative plate 30 are handed over successively
The both sides of diaphragm 10 are fixed on for interval, as shown in Figure 3.In the step, positive plate 20 and negative plate 30 pass through hot complex method
It is fixed with 10 phase of diaphragm.
（3）It is sheared along the both sides of diaphragm 10 by shear 40, after positive plate 20 and negative plate 30 are by cutting
Form the electrode slice 21,31 of predefined size shape；Electrode slice 21,31 is rotated by 90 ° by manipulator 40 makes lug be located at
Directly positioning arrangement forms pole piece-diaphragm complex, as shown in Figure 4 on diaphragm 10 after on the outside of diaphragm.
（4）Pole piece-diaphragm complex is prepared into stack type lithium ion battery by winding.
It is positioned directly on diaphragm after the cutting fragment that the takeup type laminated batteries that the present invention is prepared pass through positive and negative anodes,
The transfer for reducing positive/negative plate and the battery unit including positive/negative plate and diaphragm reduces the process of battery production, substantially
Degree improves the efficiency of battery production, while also reducing the cost of battery production, and current battery is manufactured with finger
Lead effect.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention
It encloses and is defined, under the premise of not departing from design spirit of the present invention, technical side of the those of ordinary skill in the art to the present invention
The various modifications and improvement that case is made should all be fallen into the protection domain of claims of the present invention determination.
Claims (4)
1. a kind of production method of laminated lithium ion battery, which is characterized in that include the following steps：
（1）The identical diaphragm of multiple sizes is chosen, which is arranged in parallel within same level；
（2）The positive plate and negative plate for choosing multiple strips, by multiple positive plates and negative plate, alternate intervals are fixed on successively
Membrane surface；
（3）Shearing is carried out along the both sides of diaphragm form pole piece-diaphragm complex by shear；
（4）Pole piece-diaphragm complex is prepared into stack type lithium ion battery by winding；
In above-mentioned steps, the positive plate and negative plate are respectively perpendicular the both sides for being fixed on diaphragm, and positive plate after fixing and
Negative plate is uniformly distributed in alternating.
2. the production method of laminated lithium ion battery according to claim 1, it is characterised in that：The anode monolithic is born
Pole monolithic is fixed to each other with diaphragm by hot complex method.
3. the production method of laminated lithium ion battery according to claim 1, it is characterised in that：The width of the diaphragm is big
In positive plate or the width of negative plate.
4. the production method of laminated lithium ion battery according to claim 3, it is characterised in that：The diaphragm width is more than
2~6cm of positive plate or negative plate slice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610361063.9A CN105811016B (en) | 2016-05-29 | 2016-05-29 | A kind of production method of laminated lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610361063.9A CN105811016B (en) | 2016-05-29 | 2016-05-29 | A kind of production method of laminated lithium ion battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105811016A CN105811016A (en) | 2016-07-27 |
| CN105811016B true CN105811016B (en) | 2018-09-18 |
Family
ID=56453121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610361063.9A Active CN105811016B (en) | 2016-05-29 | 2016-05-29 | A kind of production method of laminated lithium ion battery |
Country Status (1)
| Country | Link |
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| CN (1) | CN105811016B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946626A (en) * | 2017-10-16 | 2018-04-20 | 中航锂电技术研究院有限公司 | Pole piece unit and its manufacture method, battery core and its manufacture method, battery |
| CN108258327A (en) * | 2018-01-19 | 2018-07-06 | 福建荣华科技有限公司 | Laminated lithium ion battery core and its assemble method and the laminated lithium ion battery for including laminated lithium ion battery core |
| CN109560253A (en) * | 2018-07-10 | 2019-04-02 | 蜂巢能源科技有限公司 | Negative electrode tab component and preparation method thereof, the method and battery for preparing battery |
| CN109301349A (en) * | 2018-09-12 | 2019-02-01 | 深圳市海目星激光智能装备股份有限公司 | A kind of lamination process and lamination device |
| CN111384336A (en) * | 2018-12-30 | 2020-07-07 | 宁德时代新能源科技股份有限公司 | Battery module, battery package and vehicle |
| CN112366365A (en) * | 2020-01-16 | 2021-02-12 | 万向一二三股份公司 | Thermal composite laminated soft package lithium ion battery and preparation method thereof |
| CN113422113B (en) * | 2021-06-04 | 2022-07-05 | 深圳赛骄阳能源科技股份有限公司 | Method for manufacturing special-shaped lithium ion battery |
| CN114976276B (en) * | 2022-06-24 | 2023-05-09 | 佛山市天劲新能源科技有限公司 | High-speed lamination method and lamination device for lithium ion battery and lithium ion battery |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105355962A (en) * | 2015-11-25 | 2016-02-24 | 合肥国轩高科动力能源有限公司 | Preparation method of winding type laminated batteries |
| CN105428727A (en) * | 2015-12-24 | 2016-03-23 | 合肥国轩高科动力能源有限公司 | Coiling-type laminated battery manufacturing method coating adhesive on membrane to fix pole pieces |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4967146B2 (en) * | 2005-09-07 | 2012-07-04 | 日本ケミコン株式会社 | Capacitor manufacturing method |
| US9331358B2 (en) * | 2010-01-26 | 2016-05-03 | Apple Inc. | Battery with multiple jelly rolls in a single pouch |
| CN203644889U (en) * | 2013-12-25 | 2014-06-11 | 普天新能源车辆技术有限公司 | Novel laminated lithium ion battery |
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2016
- 2016-05-29 CN CN201610361063.9A patent/CN105811016B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105355962A (en) * | 2015-11-25 | 2016-02-24 | 合肥国轩高科动力能源有限公司 | Preparation method of winding type laminated batteries |
| CN105428727A (en) * | 2015-12-24 | 2016-03-23 | 合肥国轩高科动力能源有限公司 | Coiling-type laminated battery manufacturing method coating adhesive on membrane to fix pole pieces |
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| CN105811016A (en) | 2016-07-27 |
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Application publication date: 20160727 Assignee: Shanghai Xuanyi New Energy Development Co.,Ltd. Assignor: Hefei Guoxuan High-Tech Power Energy Co.,Ltd. Contract record no.: X2023980049293 Denomination of invention: A manufacturing method for stacked lithium-ion batteries Granted publication date: 20180918 License type: Common License Record date: 20231207 |