CN116504985B - 正极片及其制备方法、储能设备及用电设备 - Google Patents
正极片及其制备方法、储能设备及用电设备 Download PDFInfo
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- CN116504985B CN116504985B CN202310769017.2A CN202310769017A CN116504985B CN 116504985 B CN116504985 B CN 116504985B CN 202310769017 A CN202310769017 A CN 202310769017A CN 116504985 B CN116504985 B CN 116504985B
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- active material
- positive electrode
- polyvinylpyrrolidone
- stirring
- mixture
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- 238000004146 energy storage Methods 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims abstract description 74
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims abstract description 74
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims abstract description 74
- 239000011149 active material Substances 0.000 claims abstract description 70
- 239000002002 slurry Substances 0.000 claims abstract description 66
- 239000011230 binding agent Substances 0.000 claims abstract description 39
- XQQSWXUDAPLMKD-UHFFFAOYSA-N N,N-dimethylheptadecan-1-amine hydrobromide Chemical compound Br.CCCCCCCCCCCCCCCCCN(C)C XQQSWXUDAPLMKD-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000002270 dispersing agent Substances 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 42
- 238000003756 stirring Methods 0.000 claims description 40
- 239000007774 positive electrode material Substances 0.000 claims description 34
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims description 30
- 239000000203 mixture Substances 0.000 claims description 27
- 239000008367 deionised water Substances 0.000 claims description 26
- 229910021641 deionized water Inorganic materials 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 12
- 229910044991 metal oxide Inorganic materials 0.000 claims description 12
- 150000004706 metal oxides Chemical class 0.000 claims description 12
- 239000011888 foil Substances 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000007790 scraping Methods 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 5
- 229910019142 PO4 Inorganic materials 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 3
- 239000010452 phosphate Substances 0.000 claims description 3
- 206010001497 Agitation Diseases 0.000 claims description 2
- 238000013019 agitation Methods 0.000 claims description 2
- 150000002500 ions Chemical class 0.000 abstract description 14
- 239000000758 substrate Substances 0.000 abstract description 11
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 abstract description 3
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 abstract description 2
- 239000013543 active substance Substances 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 22
- 239000007787 solid Substances 0.000 description 18
- 239000002245 particle Substances 0.000 description 11
- 229910001415 sodium ion Inorganic materials 0.000 description 10
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 7
- 239000006185 dispersion Substances 0.000 description 7
- 230000002349 favourable effect Effects 0.000 description 7
- 229920002125 Sokalan® Polymers 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000004062 sedimentation Methods 0.000 description 6
- 239000011734 sodium Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 5
- 239000006258 conductive agent Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 239000004584 polyacrylic acid Substances 0.000 description 4
- AWRQDLAZGAQUNZ-UHFFFAOYSA-K sodium;iron(2+);phosphate Chemical compound [Na+].[Fe+2].[O-]P([O-])([O-])=O AWRQDLAZGAQUNZ-UHFFFAOYSA-K 0.000 description 4
- 238000005411 Van der Waals force Methods 0.000 description 3
- 230000004913 activation Effects 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- -1 but not limited to Chemical class 0.000 description 3
- 230000001351 cycling effect Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 235000021317 phosphate Nutrition 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000006183 anode active material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910021393 carbon nanotube Inorganic materials 0.000 description 2
- 239000002041 carbon nanotube Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000011267 electrode slurry Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000013112 stability test Methods 0.000 description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 229910018970 NaNi0.5Mn0.5O2 Inorganic materials 0.000 description 1
- 229920002873 Polyethylenimine Polymers 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 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
- 239000000654 additive Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- DWYMPOCYEZONEA-UHFFFAOYSA-L fluoridophosphate Chemical compound [O-]P([O-])(F)=O DWYMPOCYEZONEA-UHFFFAOYSA-L 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 238000009775 high-speed stirring Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000661 sodium alginate Substances 0.000 description 1
- 235000010413 sodium alginate Nutrition 0.000 description 1
- 229940005550 sodium alginate Drugs 0.000 description 1
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 1
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 1
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/621—Binders
-
- 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
- H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
-
- 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
- H01M4/136—Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
-
- 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
- H01M4/1391—Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
-
- 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
-
- 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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/628—Inhibitors, e.g. gassing inhibitors, corrosion inhibitors
-
- 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
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/028—Positive electrodes
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (10)
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CN202310769017.2A CN116504985B (zh) | 2023-06-28 | 2023-06-28 | 正极片及其制备方法、储能设备及用电设备 |
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CN202310769017.2A CN116504985B (zh) | 2023-06-28 | 2023-06-28 | 正极片及其制备方法、储能设备及用电设备 |
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CN116504985B true CN116504985B (zh) | 2024-02-20 |
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Citations (5)
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CN101757875A (zh) * | 2008-12-25 | 2010-06-30 | 比亚迪股份有限公司 | 复合分散剂和正极材料组合物与正极及锂离子二次电池 |
CN106654171A (zh) * | 2015-10-29 | 2017-05-10 | 深圳市比克动力电池有限公司 | 复合分散剂、锂离子电池负极浆料、负极及锂离子电池 |
CN108075136A (zh) * | 2017-12-27 | 2018-05-25 | 广州鸿森材料有限公司 | 一种碳纳米管锂离子电池负极材料及其制备方法 |
KR20210002051A (ko) * | 2019-06-28 | 2021-01-06 | 주식회사 엘지화학 | 음극 슬러리 제조방법, 이로부터 제조된 음극 슬러리를 이용하여 제조된 리튬 이차전지용 음극, 및 이를 포함하는 리튬 이차전지 |
CN115498190A (zh) * | 2022-10-26 | 2022-12-20 | 楚能新能源股份有限公司 | 磷酸铁锂正极浆料用分散剂、磷酸铁锂正极浆料及其制备方法和锂离子电池 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102472912B1 (ko) * | 2016-10-11 | 2022-11-30 | 쥐알에스티 인터내셔널 리미티드 | 리튬이온전지용 캐소드 슬러리 |
US11283068B2 (en) * | 2019-12-20 | 2022-03-22 | Enevate Corporation | Electrochemically active materials and methods of preparing the same |
-
2023
- 2023-06-28 CN CN202310769017.2A patent/CN116504985B/zh active Active
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CN101757875A (zh) * | 2008-12-25 | 2010-06-30 | 比亚迪股份有限公司 | 复合分散剂和正极材料组合物与正极及锂离子二次电池 |
CN106654171A (zh) * | 2015-10-29 | 2017-05-10 | 深圳市比克动力电池有限公司 | 复合分散剂、锂离子电池负极浆料、负极及锂离子电池 |
CN108075136A (zh) * | 2017-12-27 | 2018-05-25 | 广州鸿森材料有限公司 | 一种碳纳米管锂离子电池负极材料及其制备方法 |
KR20210002051A (ko) * | 2019-06-28 | 2021-01-06 | 주식회사 엘지화학 | 음극 슬러리 제조방법, 이로부터 제조된 음극 슬러리를 이용하여 제조된 리튬 이차전지용 음극, 및 이를 포함하는 리튬 이차전지 |
CN115498190A (zh) * | 2022-10-26 | 2022-12-20 | 楚能新能源股份有限公司 | 磷酸铁锂正极浆料用分散剂、磷酸铁锂正极浆料及其制备方法和锂离子电池 |
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表面活性剂对浸渍银浆中银颗粒稳定性的影响;郭楚楚;刘其斌;庞锦标;黄伟训;;贵州大学学报(自然科学版);20161215(06);全文 * |
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Address after: Room 501, R&D Building, No. 2 Sany Yundu, No. 6 Lanqing Second Road, Luhu Community, Guanhu Street, Longhua District, Shenzhen City, Guangdong Province, 518110 Patentee after: Shenzhen Haichen Energy Storage Technology Co.,Ltd. Country or region after: China Patentee after: Xiamen Haichen Energy Storage Technology Co.,Ltd. Address before: Room 501, R&D Building, No. 2 Sany Yundu, No. 6 Lanqing Second Road, Luhu Community, Guanhu Street, Longhua District, Shenzhen City, Guangdong Province, 518110 Patentee before: Shenzhen Haichen Energy Storage Control Technology Co.,Ltd. Country or region before: China Patentee before: Xiamen Haichen Energy Storage Technology Co.,Ltd. |