CN110380136A - 一种卷绕电芯、制备工艺以及锂离子电池 - Google Patents
一种卷绕电芯、制备工艺以及锂离子电池 Download PDFInfo
- Publication number
- CN110380136A CN110380136A CN201910808982.XA CN201910808982A CN110380136A CN 110380136 A CN110380136 A CN 110380136A CN 201910808982 A CN201910808982 A CN 201910808982A CN 110380136 A CN110380136 A CN 110380136A
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- Prior art keywords
- pole piece
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- battery core
- diaphragm
- cathode pole
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- 238000004804 winding Methods 0.000 title claims abstract description 64
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 17
- 239000003792 electrolyte Substances 0.000 claims abstract description 28
- 239000002390 adhesive tape Substances 0.000 claims abstract description 25
- 239000012528 membrane Substances 0.000 claims abstract description 4
- 210000002469 basement membrane Anatomy 0.000 claims description 31
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- 238000010792 warming Methods 0.000 claims description 12
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 11
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical compound FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 claims description 4
- 238000005204 segregation Methods 0.000 claims description 4
- 210000004379 membrane Anatomy 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000007514 turning Methods 0.000 description 6
- 239000003292 glue Substances 0.000 description 4
- 208000010392 Bone Fractures Diseases 0.000 description 3
- 206010017076 Fracture Diseases 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920002620 polyvinyl fluoride Polymers 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000002994 raw 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910808982.XA CN110380136A (zh) | 2019-08-29 | 2019-08-29 | 一种卷绕电芯、制备工艺以及锂离子电池 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910808982.XA CN110380136A (zh) | 2019-08-29 | 2019-08-29 | 一种卷绕电芯、制备工艺以及锂离子电池 |
Publications (1)
Publication Number | Publication Date |
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CN110380136A true CN110380136A (zh) | 2019-10-25 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201910808982.XA Pending CN110380136A (zh) | 2019-08-29 | 2019-08-29 | 一种卷绕电芯、制备工艺以及锂离子电池 |
Country Status (1)
Country | Link |
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CN (1) | CN110380136A (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022126634A1 (zh) * | 2020-12-18 | 2022-06-23 | 宁德时代新能源科技股份有限公司 | 电极组件及其制造方法和制造系统、电池单体、电池及用电装置 |
CN116190806A (zh) * | 2023-02-28 | 2023-05-30 | 深圳市康胜新能源产品有限公司 | 一种磷酸铁锂电芯以及电芯加工工艺 |
WO2024138541A1 (zh) * | 2022-12-29 | 2024-07-04 | 宁德时代新能源科技股份有限公司 | 电池单体、电池及用电装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102349186A (zh) * | 2010-04-27 | 2012-02-08 | 松下电器产业株式会社 | 非水系二次电池及其中使用的电极组 |
CN102420339A (zh) * | 2010-09-28 | 2012-04-18 | 株式会社日立制作所 | 具有应力缓和层的锂二次电池 |
CN202585643U (zh) * | 2012-03-26 | 2012-12-05 | 宁德新能源科技有限公司 | 一种卷绕结构的软包装锂离子电池 |
-
2019
- 2019-08-29 CN CN201910808982.XA patent/CN110380136A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102349186A (zh) * | 2010-04-27 | 2012-02-08 | 松下电器产业株式会社 | 非水系二次电池及其中使用的电极组 |
CN102420339A (zh) * | 2010-09-28 | 2012-04-18 | 株式会社日立制作所 | 具有应力缓和层的锂二次电池 |
CN202585643U (zh) * | 2012-03-26 | 2012-12-05 | 宁德新能源科技有限公司 | 一种卷绕结构的软包装锂离子电池 |
Non-Patent Citations (2)
Title |
---|
A. MAGISTRIS ET AL.: "《Structure, porosity and conductivity of PVdF films for polymer electrolytes》", 《JOURNAL OF POWER SOURCES》 * |
李朝晖: "《聚偏氟乙烯-六氟丙烯基微孔复合聚合物电解质的电化学性能研究》", 《中国优秀博硕士学位论文全文数据库(博士) 工程科技I辑》 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022126634A1 (zh) * | 2020-12-18 | 2022-06-23 | 宁德时代新能源科技股份有限公司 | 电极组件及其制造方法和制造系统、电池单体、电池及用电装置 |
CN115699398A (zh) * | 2020-12-18 | 2023-02-03 | 宁德时代新能源科技股份有限公司 | 电极组件及其制造方法和制造系统、电池单体、电池及用电装置 |
WO2024138541A1 (zh) * | 2022-12-29 | 2024-07-04 | 宁德时代新能源科技股份有限公司 | 电池单体、电池及用电装置 |
CN116190806A (zh) * | 2023-02-28 | 2023-05-30 | 深圳市康胜新能源产品有限公司 | 一种磷酸铁锂电芯以及电芯加工工艺 |
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Effective date of registration: 20220120 Address after: 215500 No. 68, Xin'anjiang Road, Southeast street, Changshu, Suzhou, Jiangsu Applicant after: Jiangsu Zenergy Battery Technologies Co.,ltd Address before: 523000 Dalang Town, Dongguan, Guangdong province Xiangshan Pine Hill Village Xiangshan Industrial Park Jiayuan Road No. 9 Applicant before: DONGGUAN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Applicant before: JIANGSU TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Applicant before: SHENZHEN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. |
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Application publication date: 20191025 |