CN111477833B - 一种锂离子电池极片及其激光裁切制片方法 - Google Patents
一种锂离子电池极片及其激光裁切制片方法 Download PDFInfo
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- CN111477833B CN111477833B CN202010281012.1A CN202010281012A CN111477833B CN 111477833 B CN111477833 B CN 111477833B CN 202010281012 A CN202010281012 A CN 202010281012A CN 111477833 B CN111477833 B CN 111477833B
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- 238000003698 laser cutting Methods 0.000 title claims abstract description 27
- 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
- 238000004519 manufacturing process Methods 0.000 title abstract description 15
- 238000005520 cutting process Methods 0.000 claims abstract description 48
- 238000000034 method Methods 0.000 claims abstract description 46
- 238000000576 coating method Methods 0.000 claims abstract description 43
- 239000011368 organic material Substances 0.000 claims abstract description 42
- 239000011248 coating agent Substances 0.000 claims abstract description 38
- 239000011888 foil Substances 0.000 claims abstract description 17
- 238000007581 slurry coating method Methods 0.000 claims abstract description 17
- 229910052751 metal Inorganic materials 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 16
- 239000002699 waste material Substances 0.000 claims abstract description 13
- 239000002002 slurry Substances 0.000 claims abstract description 7
- 238000005096 rolling process Methods 0.000 claims description 19
- 238000007765 extrusion coating Methods 0.000 claims description 4
- 238000004064 recycling Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 10
- 230000002708 enhancing effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 210000005069 ears Anatomy 0.000 description 3
- 229910010272 inorganic material Inorganic materials 0.000 description 3
- 239000011147 inorganic material Substances 0.000 description 3
- 101001121408 Homo sapiens L-amino-acid oxidase Proteins 0.000 description 2
- 102100026388 L-amino-acid oxidase Human genes 0.000 description 2
- 101100012902 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) FIG2 gene Proteins 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 101000827703 Homo sapiens Polyphosphoinositide phosphatase Proteins 0.000 description 1
- 102100023591 Polyphosphoinositide phosphatase Human genes 0.000 description 1
- 101100233916 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) KAR5 gene Proteins 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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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
- 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
- H01M4/0404—Methods of deposition of the material by coating on electrode collectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
-
- 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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/043—Processes of manufacture in general involving compressing or compaction
-
- 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
- H01M4/043—Processes of manufacture in general involving compressing or compaction
- H01M4/0435—Rolling or calendering
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010281012.1A CN111477833B (zh) | 2020-04-10 | 2020-04-10 | 一种锂离子电池极片及其激光裁切制片方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010281012.1A CN111477833B (zh) | 2020-04-10 | 2020-04-10 | 一种锂离子电池极片及其激光裁切制片方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111477833A CN111477833A (zh) | 2020-07-31 |
| CN111477833B true CN111477833B (zh) | 2023-04-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010281012.1A Active CN111477833B (zh) | 2020-04-10 | 2020-04-10 | 一种锂离子电池极片及其激光裁切制片方法 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111477833B (zh) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112382735B (zh) * | 2020-11-17 | 2021-11-12 | 东莞赣锋电子有限公司 | 一种激光清洗制备锂离子电池极片的方法 |
| CN115555852B (zh) * | 2021-06-30 | 2023-06-30 | 宁德时代新能源科技股份有限公司 | 极片成型方法及设备 |
| CN114388743B (zh) * | 2021-12-28 | 2023-08-25 | 天津力神电池股份有限公司 | 一种圆柱型锂离子电池极组的优化制备方法 |
| CN216648356U (zh) * | 2022-01-07 | 2022-05-31 | 珠海冠宇电池股份有限公司 | 一种极片及电池 |
| CN114583113B (zh) * | 2022-03-03 | 2023-05-09 | 厦门海辰储能科技股份有限公司 | 极片的制造方法以及极片 |
| CN114633035B (zh) * | 2022-05-11 | 2022-08-12 | 东莞市盛雄激光先进装备股份有限公司 | 一种正极极片的制片方法、制片系统及正极极片 |
| CN115602793B (zh) * | 2022-10-20 | 2023-07-14 | 深圳市光大激光科技股份有限公司 | 一种锂电池极片制片方法 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101241988A (zh) * | 2008-02-03 | 2008-08-13 | 深圳市比克电池有限公司 | 一种锂离子电池正极极片的制作方法 |
| CN105390661A (zh) * | 2014-08-21 | 2016-03-09 | 庄臣及庄臣视力保护公司 | 用于制造在生物相容性电池中使用的生物相容性阴极浆料的方法 |
| WO2017008081A1 (en) * | 2015-07-09 | 2017-01-12 | Optodot Corporation | Nanoporous separators for batteries and related manufacturing methods |
| CN109585782A (zh) * | 2018-10-16 | 2019-04-05 | 中航锂电(洛阳)有限公司 | 一种同时生产多种型号锂离子电池极片的方法及挤压涂布装置 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2209153B1 (en) * | 2008-12-30 | 2012-01-25 | Hengdian Group DMEGC Magnetic Limited Company | Lithium iron phosphate battery electrode and method for manufacturing the same |
| DE102011115118A1 (de) * | 2011-10-06 | 2013-04-11 | Li-Tec Battery Gmbh | Verfahren und System zum Schneiden von blatt- oder plattenförmigen Objekten |
| CN104167553B (zh) * | 2014-06-19 | 2016-08-17 | 合肥国轩高科动力能源有限公司 | 一种方形卷绕式电池极片及其制作工艺 |
| CN105244470A (zh) * | 2015-09-11 | 2016-01-13 | 合肥国轩高科动力能源有限公司 | 一种高安全锂离子叠片电池正极片及其制备方法 |
| CN106129327A (zh) * | 2016-08-10 | 2016-11-16 | 欣旺达电子股份有限公司 | 锂离子电池正极极片及锂离子电池 |
| CN107146876A (zh) * | 2017-04-27 | 2017-09-08 | 重庆鲁岳新能源科技有限公司 | 一种锂离子动力电池的正极极片成型方法 |
| CN108400281A (zh) * | 2018-01-22 | 2018-08-14 | 中航锂电(洛阳)有限公司 | 一种极片的制备方法 |
| CN108735973A (zh) * | 2018-05-08 | 2018-11-02 | 银隆新能源股份有限公司 | 一种方形卷绕式电池极片及其制备方法和方形软包电池 |
| CN108511679A (zh) * | 2018-06-20 | 2018-09-07 | 力信(江苏)能源科技有限责任公司 | 一种提高安全性能的极片及其生产装置、制备方法 |
| CN110797504A (zh) * | 2019-12-03 | 2020-02-14 | 广东海中新能源设备股份有限公司 | 一种电池极片制作的工艺方法 |
-
2020
- 2020-04-10 CN CN202010281012.1A patent/CN111477833B/zh active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101241988A (zh) * | 2008-02-03 | 2008-08-13 | 深圳市比克电池有限公司 | 一种锂离子电池正极极片的制作方法 |
| CN105390661A (zh) * | 2014-08-21 | 2016-03-09 | 庄臣及庄臣视力保护公司 | 用于制造在生物相容性电池中使用的生物相容性阴极浆料的方法 |
| WO2017008081A1 (en) * | 2015-07-09 | 2017-01-12 | Optodot Corporation | Nanoporous separators for batteries and related manufacturing methods |
| CN109585782A (zh) * | 2018-10-16 | 2019-04-05 | 中航锂电(洛阳)有限公司 | 一种同时生产多种型号锂离子电池极片的方法及挤压涂布装置 |
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| CN111477833A (zh) | 2020-07-31 |
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Effective date of registration: 20230406 Address after: 341000 north of Jinling West Road, west of Caidie Road, Ganzhou economic and Technological Development Zone, Jiangxi Province Applicant after: Funeng Science and Technology (Ganzhou) Co.,Ltd. Applicant after: Funeng Technology (Zhenjiang) Co.,Ltd. Address before: 341000 north of Jinling West Road, west of Caidie Road, Ganzhou economic and Technological Development Zone, Jiangxi Province Applicant before: Funeng Science and Technology (Ganzhou) Co.,Ltd. |