CN112151758A - 超薄锂膜预制件及其制备方法 - Google Patents
超薄锂膜预制件及其制备方法 Download PDFInfo
- Publication number
- CN112151758A CN112151758A CN201910576920.0A CN201910576920A CN112151758A CN 112151758 A CN112151758 A CN 112151758A CN 201910576920 A CN201910576920 A CN 201910576920A CN 112151758 A CN112151758 A CN 112151758A
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- Prior art keywords
- lithium
- lithium film
- ultra
- rolling
- film
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 124
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 120
- 238000002360 preparation method Methods 0.000 title abstract description 4
- 239000010408 film Substances 0.000 claims abstract description 84
- 239000011148 porous material Substances 0.000 claims abstract description 4
- 239000010409 thin film Substances 0.000 claims abstract description 3
- 239000010410 layer Substances 0.000 claims description 27
- 238000005096 rolling process Methods 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 16
- -1 polyethylene Polymers 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 15
- 239000004698 Polyethylene Substances 0.000 claims description 13
- 229920000573 polyethylene Polymers 0.000 claims description 13
- 238000005098 hot rolling Methods 0.000 claims description 11
- 238000005097 cold rolling Methods 0.000 claims description 10
- 229910002804 graphite Inorganic materials 0.000 claims description 10
- 239000010439 graphite Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 239000002131 composite material Substances 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 238000013329 compounding Methods 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 239000004793 Polystyrene Substances 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 239000002041 carbon nanotube Substances 0.000 claims description 2
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 2
- 229920002678 cellulose Polymers 0.000 claims description 2
- 239000001913 cellulose Substances 0.000 claims description 2
- 239000004020 conductor Substances 0.000 claims description 2
- 238000010924 continuous production Methods 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 229910021389 graphene Inorganic materials 0.000 claims description 2
- 229910052809 inorganic oxide Inorganic materials 0.000 claims description 2
- 229920001778 nylon Polymers 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 229920000098 polyolefin Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 229920002223 polystyrene Polymers 0.000 claims description 2
- 239000002356 single layer Substances 0.000 claims description 2
- 239000000047 product Substances 0.000 description 12
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 10
- 238000006138 lithiation reaction Methods 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 8
- 238000000576 coating method Methods 0.000 description 8
- 238000004804 winding Methods 0.000 description 6
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 5
- 239000012188 paraffin wax Substances 0.000 description 5
- 239000013589 supplement Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229940125753 fibrate Drugs 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 239000007773 negative electrode material Substances 0.000 description 2
- 229920006324 polyoxymethylene Polymers 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005215 recombination Methods 0.000 description 2
- 230000006798 recombination Effects 0.000 description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 description 2
- 230000009469 supplementation Effects 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 241000218645 Cedrus Species 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001558 organosilicon polymer Polymers 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 229920005573 silicon-containing polymer Polymers 0.000 description 1
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 1
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/58—Roll-force control; Roll-gap control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
-
- 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
-
- 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
-
- 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
- H01M4/134—Electrodes based on metals, Si or alloys
-
- 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
-
- 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
- H01M4/1395—Processes of manufacture of electrodes based on metals, Si or alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
- B21B2001/383—Cladded or coated products
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910576920.0A CN112151758A (zh) | 2019-06-28 | 2019-06-28 | 超薄锂膜预制件及其制备方法 |
PCT/CN2020/071168 WO2020258842A1 (fr) | 2019-06-28 | 2020-01-09 | Préforme de film de lithium ultra-mince et son procédé de préparation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910576920.0A CN112151758A (zh) | 2019-06-28 | 2019-06-28 | 超薄锂膜预制件及其制备方法 |
Publications (1)
Publication Number | Publication Date |
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CN112151758A true CN112151758A (zh) | 2020-12-29 |
Family
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Family Applications (1)
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CN201910576920.0A Pending CN112151758A (zh) | 2019-06-28 | 2019-06-28 | 超薄锂膜预制件及其制备方法 |
Country Status (2)
Country | Link |
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CN (1) | CN112151758A (fr) |
WO (1) | WO2020258842A1 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113363456A (zh) * | 2021-08-09 | 2021-09-07 | 天津中能锂业有限公司 | 超薄锂膜复合体及其制备方法 |
CN113725397A (zh) * | 2021-11-02 | 2021-11-30 | 天津中能锂业有限公司 | 快速响应转移覆合方法 |
CN113732058A (zh) * | 2021-08-13 | 2021-12-03 | 奉新赣锋锂业有限公司 | 一种超宽超薄金属锂及其合金带材的制备方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101341624A (zh) * | 2005-12-22 | 2009-01-07 | 富士重工业株式会社 | 电池或电容器用锂金属箔 |
CN104900841A (zh) * | 2015-05-26 | 2015-09-09 | 广东烛光新能源科技有限公司 | 金属锂带及其制备方法及使用该金属锂带的储能器件 |
CN107706355A (zh) * | 2017-09-21 | 2018-02-16 | 天津力神电池股份有限公司 | 多孔锂金属箔片的制备方法 |
CN107819104A (zh) * | 2017-09-27 | 2018-03-20 | 天津力神电池股份有限公司 | 锂铜复合负极箔片的制备方法 |
CN109461878A (zh) * | 2018-10-22 | 2019-03-12 | 北京国能电池科技股份有限公司 | 补锂电池及其制备方法与生产设备 |
CN210123779U (zh) * | 2019-06-28 | 2020-03-03 | 天津中能锂业有限公司 | 通孔锂膜预制件、复合负极及储能装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103199217B (zh) * | 2013-04-02 | 2015-06-03 | 东莞新能源科技有限公司 | 锂离子电池的富锂极片及其制备方法 |
CN107123785A (zh) * | 2016-02-25 | 2017-09-01 | 宁德时代新能源科技股份有限公司 | 极片补锂系统 |
US10755867B2 (en) * | 2016-04-18 | 2020-08-25 | Florida State University Research Foundation, Inc | Method of negative electrode pre-lithiation for lithium-ion capacitors |
CN107910499A (zh) * | 2017-12-05 | 2018-04-13 | 中航锂电技术研究院有限公司 | 锂电池负极预锂方法以及预锂装置 |
-
2019
- 2019-06-28 CN CN201910576920.0A patent/CN112151758A/zh active Pending
-
2020
- 2020-01-09 WO PCT/CN2020/071168 patent/WO2020258842A1/fr active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101341624A (zh) * | 2005-12-22 | 2009-01-07 | 富士重工业株式会社 | 电池或电容器用锂金属箔 |
CN104900841A (zh) * | 2015-05-26 | 2015-09-09 | 广东烛光新能源科技有限公司 | 金属锂带及其制备方法及使用该金属锂带的储能器件 |
CN107706355A (zh) * | 2017-09-21 | 2018-02-16 | 天津力神电池股份有限公司 | 多孔锂金属箔片的制备方法 |
CN107819104A (zh) * | 2017-09-27 | 2018-03-20 | 天津力神电池股份有限公司 | 锂铜复合负极箔片的制备方法 |
CN109461878A (zh) * | 2018-10-22 | 2019-03-12 | 北京国能电池科技股份有限公司 | 补锂电池及其制备方法与生产设备 |
CN210123779U (zh) * | 2019-06-28 | 2020-03-03 | 天津中能锂业有限公司 | 通孔锂膜预制件、复合负极及储能装置 |
Non-Patent Citations (4)
Title |
---|
《化工百科全书》编辑委员会: "《冶金和金属材料》", 31 January 2001, 化学工业出版社 * |
刘涵光等: "《包装概论与包装材料》", 31 August 1982, 物资出版社 * |
有色金属冶金/中国冶金百科全书总编辑委员会: "《中国冶金百科全书 有色金属冶金》", 31 January 1999, 冶金工业出版社 * |
田荣璋等: "《金属材料知识手册 有色金属部分》", 31 October 1983, 湖南科学技术出版社 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113363456A (zh) * | 2021-08-09 | 2021-09-07 | 天津中能锂业有限公司 | 超薄锂膜复合体及其制备方法 |
WO2023015804A1 (fr) | 2021-08-09 | 2023-02-16 | 天津中能锂业有限公司 | Composite de film de lithium ultra-mince et son procédé de préparation |
CN113732058A (zh) * | 2021-08-13 | 2021-12-03 | 奉新赣锋锂业有限公司 | 一种超宽超薄金属锂及其合金带材的制备方法 |
CN113725397A (zh) * | 2021-11-02 | 2021-11-30 | 天津中能锂业有限公司 | 快速响应转移覆合方法 |
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