CN113964288B - 纤维膜片及极片的制备方法 - Google Patents
纤维膜片及极片的制备方法 Download PDFInfo
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- CN113964288B CN113964288B CN202111244493.XA CN202111244493A CN113964288B CN 113964288 B CN113964288 B CN 113964288B CN 202111244493 A CN202111244493 A CN 202111244493A CN 113964288 B CN113964288 B CN 113964288B
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- 239000012528 membrane Substances 0.000 title claims abstract description 110
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- 238000000034 method Methods 0.000 claims abstract description 43
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- 238000010008 shearing Methods 0.000 claims abstract description 34
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- 238000000576 coating method Methods 0.000 claims description 26
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 20
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- 239000011248 coating agent Substances 0.000 claims description 17
- 239000002041 carbon nanotube Substances 0.000 claims description 16
- 239000007773 negative electrode material Substances 0.000 claims description 14
- 239000002245 particle Substances 0.000 claims description 14
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 12
- 239000007774 positive electrode material Substances 0.000 claims description 11
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 10
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 9
- KFDQGLPGKXUTMZ-UHFFFAOYSA-N [Mn].[Co].[Ni] Chemical compound [Mn].[Co].[Ni] KFDQGLPGKXUTMZ-UHFFFAOYSA-N 0.000 claims description 8
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 7
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- 229910052744 lithium Inorganic materials 0.000 claims description 7
- 239000002002 slurry Substances 0.000 claims description 7
- 239000011734 sodium Substances 0.000 claims description 7
- 229910052708 sodium Inorganic materials 0.000 claims description 7
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- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 claims description 5
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- 229920000049 Carbon (fiber) Polymers 0.000 claims description 4
- 239000005662 Paraffin oil Substances 0.000 claims description 4
- CDQSJQSWAWPGKG-UHFFFAOYSA-N butane-1,1-diol Chemical compound CCCC(O)O CDQSJQSWAWPGKG-UHFFFAOYSA-N 0.000 claims description 4
- 239000004917 carbon fiber Substances 0.000 claims description 4
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 claims description 4
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 claims description 3
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims description 3
- 229910021385 hard carbon Inorganic materials 0.000 claims description 3
- DCYOBGZUOMKFPA-UHFFFAOYSA-N iron(2+);iron(3+);octadecacyanide Chemical compound [Fe+2].[Fe+2].[Fe+2].[Fe+3].[Fe+3].[Fe+3].[Fe+3].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] DCYOBGZUOMKFPA-UHFFFAOYSA-N 0.000 claims description 3
- 239000004005 microsphere Substances 0.000 claims description 3
- 229960003351 prussian blue Drugs 0.000 claims description 3
- 239000013225 prussian blue Substances 0.000 claims description 3
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 claims description 3
- 229920002545 silicone oil Polymers 0.000 claims description 3
- 238000013019 agitation Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 46
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 5
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 5
- 238000005452 bending Methods 0.000 abstract description 4
- 238000004898 kneading Methods 0.000 description 21
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- 239000002994 raw material Substances 0.000 description 14
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- 230000014759 maintenance of location Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 3
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 description 3
- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical compound [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 description 3
- 239000002931 mesocarbon microbead Substances 0.000 description 3
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- 230000001070 adhesive effect Effects 0.000 description 2
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- 238000005056 compaction Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000011149 active material Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- AMTWCFIAVKBGOD-UHFFFAOYSA-N dioxosilane;methoxy-dimethyl-trimethylsilyloxysilane Chemical compound O=[Si]=O.CO[Si](C)(C)O[Si](C)(C)C AMTWCFIAVKBGOD-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000009775 high-speed stirring Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 1
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0011—Combinations of extrusion moulding with other shaping operations combined with compression moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
- B29C69/02—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore of moulding techniques only
-
- 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
- H01M4/0402—Methods of deposition of the material
- H01M4/0404—Methods of deposition of the material by coating on electrode collectors
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/002—Panels; Plates; Sheets
-
- 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)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
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CN202111244493.XA CN113964288B (zh) | 2021-10-26 | 2021-10-26 | 纤维膜片及极片的制备方法 |
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CN202111244493.XA CN113964288B (zh) | 2021-10-26 | 2021-10-26 | 纤维膜片及极片的制备方法 |
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CN113964288A CN113964288A (zh) | 2022-01-21 |
CN113964288B true CN113964288B (zh) | 2022-06-07 |
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CN202111244493.XA Active CN113964288B (zh) | 2021-10-26 | 2021-10-26 | 纤维膜片及极片的制备方法 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2024016209A1 (zh) * | 2022-07-20 | 2024-01-25 | 宁德时代新能源科技股份有限公司 | 膜片制备装置、极片制造设备及膜片制备方法 |
CN115548271B (zh) * | 2022-10-26 | 2023-09-15 | 楚能新能源股份有限公司 | 正极极片及其制备方法和锂离子电池 |
Citations (1)
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CN112751075A (zh) * | 2019-10-31 | 2021-05-04 | 苏州微木智能系统有限公司 | 一种锂离子电池及其制备方法 |
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EP3533095A4 (en) * | 2016-10-28 | 2020-03-25 | Adven Industries, Inc. | ELECTRODE COMPOSITION REINFORCED BY CONDUCTIVE SEQUINS, POLYMER STABILIZED, AND PREPARATION METHOD |
CN112038574B (zh) * | 2020-08-31 | 2021-10-22 | 蜂巢能源科技有限公司 | 一种极片膜及其制备方法和用途 |
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CN112751075A (zh) * | 2019-10-31 | 2021-05-04 | 苏州微木智能系统有限公司 | 一种锂离子电池及其制备方法 |
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Effective date of registration: 20230906 Address after: No. 301, Unit 5, Building 98, Tiancheng Road, Tianqiao District, Jinan City, Shandong Province, 250000 Patentee after: Sui Xiyu Patentee after: Cao Chuanxin Patentee after: Xu Zhaoxin Patentee after: Lv Hui Patentee after: Zhou Yue Patentee after: Tang Xiangyu Address before: 518000 2208, block a, building 6, Shenzhen International Innovation Valley, Dashi 1st Road, Xili community, Xili street, Nanshan District, Shenzhen, Guangdong Patentee before: SHENZHEN GENERAL MEASURE TECHNOLOGY Co.,Ltd. |
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Address after: No. 301, Unit 5, Building 98, Tiancheng Road, Tianqiao District, Jinan City, Shandong Province, 250000 Patentee after: Sui Xiyu Patentee after: Cao Chuanxin Patentee after: Xu Zhaoxin Patentee after: Lv Hui Patentee after: Zhou Yue Patentee after: Tang Xiangyu Address before: No. 301, Unit 5, Building 98, Tiancheng Road, Tianqiao District, Jinan City, Shandong Province, 250000 Patentee before: Sui Xiyu Patentee before: Cao Chuanxin Patentee before: Xu Zhaoxin Patentee before: Lv Hui Patentee before: Zhou Yue Patentee before: Tang Xiangyu |
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