CN112103465B - 一种锂电池生产工艺 - Google Patents
一种锂电池生产工艺 Download PDFInfo
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- CN112103465B CN112103465B CN202010996658.8A CN202010996658A CN112103465B CN 112103465 B CN112103465 B CN 112103465B CN 202010996658 A CN202010996658 A CN 202010996658A CN 112103465 B CN112103465 B CN 112103465B
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 46
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 239000011268 mixed slurry Substances 0.000 claims abstract description 85
- 239000011248 coating agent Substances 0.000 claims abstract description 54
- 238000000576 coating method Methods 0.000 claims abstract description 54
- 238000003825 pressing Methods 0.000 claims abstract description 24
- 239000010405 anode material Substances 0.000 claims abstract description 19
- 239000002904 solvent Substances 0.000 claims abstract description 17
- 238000002156 mixing Methods 0.000 claims abstract description 14
- 238000003756 stirring Methods 0.000 claims abstract description 14
- 239000002562 thickening agent Substances 0.000 claims abstract description 11
- 239000002002 slurry Substances 0.000 claims abstract description 5
- 238000000227 grinding Methods 0.000 claims abstract description 4
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 claims abstract description 4
- 238000004804 winding Methods 0.000 claims description 98
- 230000006835 compression Effects 0.000 claims description 69
- 238000007906 compression Methods 0.000 claims description 69
- 238000001035 drying Methods 0.000 claims description 51
- 238000007790 scraping Methods 0.000 claims description 39
- 238000007789 sealing Methods 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 10
- 238000004080 punching Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 239000011230 binding agent Substances 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 7
- 239000006260 foam Substances 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 6
- 238000005485 electric heating Methods 0.000 claims description 6
- 239000003792 electrolyte Substances 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 5
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000003475 lamination Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 238000001291 vacuum drying Methods 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 9
- 239000000843 powder Substances 0.000 abstract description 8
- 239000007774 positive electrode material Substances 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 description 22
- 230000000694 effects Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011267 electrode slurry Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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
- 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
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/28—Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
-
- 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
- H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
-
- 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
- H01M4/1397—Processes of manufacture of electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
-
- 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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- 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)
- Inorganic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
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CN202010996658.8A CN112103465B (zh) | 2020-09-21 | 2020-09-21 | 一种锂电池生产工艺 |
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CN202010996658.8A CN112103465B (zh) | 2020-09-21 | 2020-09-21 | 一种锂电池生产工艺 |
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CN112103465A CN112103465A (zh) | 2020-12-18 |
CN112103465B true CN112103465B (zh) | 2021-08-24 |
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CN202010996658.8A Active CN112103465B (zh) | 2020-09-21 | 2020-09-21 | 一种锂电池生产工艺 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112895273B (zh) * | 2021-01-20 | 2022-11-11 | 东莞钜蕾实业有限公司 | 一种相变导热散热膜的制备方法及成型装置 |
CN113013372A (zh) * | 2021-02-22 | 2021-06-22 | 江西省允福亨新能源有限责任公司 | 一种锂离子电池水性正负极浆料的制备方法 |
CN113209903A (zh) * | 2021-04-16 | 2021-08-06 | 合肥楚航环保设备有限公司 | 一种密闭式粉末活性炭投加装置 |
CN115863534A (zh) * | 2022-12-29 | 2023-03-28 | 武汉昊诚锂电科技股份有限公司 | 一种锂亚电池正极片及其制备装置与制备工艺 |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN203941984U (zh) * | 2014-06-13 | 2014-11-12 | 山东爱通工业机器人科技有限公司 | 一种动力软包锂电池封装自动化生产线 |
CN108942162B (zh) * | 2018-09-27 | 2024-02-20 | 长兴金润大正机械有限公司 | 盒体运输机构以及盒盖机 |
CN111370643A (zh) * | 2020-03-26 | 2020-07-03 | 上海蓉创科技有限公司 | 一种锂电池生产工艺 |
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Effective date of registration: 20210804 Address after: 235000 room 210, Zone C, No. 15, Longwang Road, economic development zone, Huaibei City, Anhui Province Applicant after: Huaibei Zhijun Technology Co.,Ltd. Address before: 235000 No. 202, unit 1, building 60, Shitai Kuang East Village, Duji District, Huaibei City, Anhui Province Applicant before: Qi Yuanyuan |
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Effective date of registration: 20231213 Address after: 313199 Room 302, Building 5, No. 100 Jinxiu Road, Longshan Street, Changxing County, Huzhou City, Zhejiang Province (self declared) Patentee after: Zhejiang Zhongxiang new energy Co.,Ltd. Address before: 235000 room 210, Zone C, No. 15, Longwang Road, economic development zone, Huaibei City, Anhui Province Patentee before: Huaibei Zhijun Technology Co.,Ltd. |