CN108336418A - 一种改善电芯膨胀变形的卷绕工艺 - Google Patents
一种改善电芯膨胀变形的卷绕工艺 Download PDFInfo
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- CN108336418A CN108336418A CN201810260397.6A CN201810260397A CN108336418A CN 108336418 A CN108336418 A CN 108336418A CN 201810260397 A CN201810260397 A CN 201810260397A CN 108336418 A CN108336418 A CN 108336418A
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- winding
- battery core
- isolation film
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- 238000004804 winding Methods 0.000 title claims abstract description 92
- 238000000034 method Methods 0.000 title claims abstract description 54
- 230000008569 process Effects 0.000 title claims abstract description 43
- 238000002955 isolation Methods 0.000 claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 239000000284 extract Substances 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims description 35
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 125000004122 cyclic group Chemical group 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 230000005764 inhibitory process Effects 0.000 abstract description 3
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000007731 hot pressing Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
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- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
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- 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
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Primary Cells (AREA)
- Secondary Cells (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810260397.6A CN108336418A (zh) | 2018-03-27 | 2018-03-27 | 一种改善电芯膨胀变形的卷绕工艺 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810260397.6A CN108336418A (zh) | 2018-03-27 | 2018-03-27 | 一种改善电芯膨胀变形的卷绕工艺 |
Publications (1)
Publication Number | Publication Date |
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CN108336418A true CN108336418A (zh) | 2018-07-27 |
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Family Applications (1)
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CN201810260397.6A Pending CN108336418A (zh) | 2018-03-27 | 2018-03-27 | 一种改善电芯膨胀变形的卷绕工艺 |
Country Status (1)
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CN (1) | CN108336418A (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109509917A (zh) * | 2018-11-28 | 2019-03-22 | 惠州锂威新能源科技有限公司 | 一种电池电芯的卷绕工艺 |
CN109579717A (zh) * | 2018-12-14 | 2019-04-05 | 惠州锂威新能源科技有限公司 | 一种用于电芯卷绕工艺的ccd校准块、校准装置及方法 |
CN112290130A (zh) * | 2019-06-16 | 2021-01-29 | 深圳格林德能源集团有限公司 | 一种球形聚合物锂电池及制作方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201438491U (zh) * | 2009-07-02 | 2010-04-14 | 宁波维科电池有限公司 | 一种锂离子电池极片卷绕装置 |
CN103887565A (zh) * | 2014-03-10 | 2014-06-25 | 东莞锂威能源科技有限公司 | 一种超厚高能量密度聚合物锂离子电芯的制造方法 |
CN204156039U (zh) * | 2014-10-15 | 2015-02-11 | 东莞市能优能源科技有限公司 | 卷绕式锂离子电池构造 |
CN206921959U (zh) * | 2017-05-19 | 2018-01-23 | 宁德时代新能源科技股份有限公司 | 动力电池卷针 |
-
2018
- 2018-03-27 CN CN201810260397.6A patent/CN108336418A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201438491U (zh) * | 2009-07-02 | 2010-04-14 | 宁波维科电池有限公司 | 一种锂离子电池极片卷绕装置 |
CN103887565A (zh) * | 2014-03-10 | 2014-06-25 | 东莞锂威能源科技有限公司 | 一种超厚高能量密度聚合物锂离子电芯的制造方法 |
CN204156039U (zh) * | 2014-10-15 | 2015-02-11 | 东莞市能优能源科技有限公司 | 卷绕式锂离子电池构造 |
CN206921959U (zh) * | 2017-05-19 | 2018-01-23 | 宁德时代新能源科技股份有限公司 | 动力电池卷针 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109509917A (zh) * | 2018-11-28 | 2019-03-22 | 惠州锂威新能源科技有限公司 | 一种电池电芯的卷绕工艺 |
CN109579717A (zh) * | 2018-12-14 | 2019-04-05 | 惠州锂威新能源科技有限公司 | 一种用于电芯卷绕工艺的ccd校准块、校准装置及方法 |
CN112290130A (zh) * | 2019-06-16 | 2021-01-29 | 深圳格林德能源集团有限公司 | 一种球形聚合物锂电池及制作方法 |
CN112290130B (zh) * | 2019-06-16 | 2022-08-12 | 深圳格林德能源集团有限公司 | 一种球形聚合物锂电池及制作方法 |
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Effective date of registration: 20220121 Address after: 215500 No. 68, Xin'anjiang Road, Southeast street, Changshu, Suzhou, Jiangsu Applicant after: Jiangsu Zhengli new energy battery technology Co.,Ltd. Address before: 211100 69, Feitian Road, Jiangning Airport Economic Development Zone, Nanjing, Jiangsu Applicant before: JIANGSU TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Applicant before: DONGGUAN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Applicant before: SHENZHEN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. |
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Application publication date: 20180727 |