CN114156469B - 一种正极浆料及其制备方法和应用 - Google Patents
一种正极浆料及其制备方法和应用 Download PDFInfo
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- CN114156469B CN114156469B CN202111370489.8A CN202111370489A CN114156469B CN 114156469 B CN114156469 B CN 114156469B CN 202111370489 A CN202111370489 A CN 202111370489A CN 114156469 B CN114156469 B CN 114156469B
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- 239000011267 electrode slurry Substances 0.000 title claims abstract description 105
- 238000002360 preparation method Methods 0.000 title claims abstract description 34
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 77
- 239000002904 solvent Substances 0.000 claims abstract description 47
- 239000011230 binding agent Substances 0.000 claims abstract description 34
- 239000007774 positive electrode material Substances 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- HSZCZNFXUDYRKD-UHFFFAOYSA-M lithium iodide Chemical compound [Li+].[I-] HSZCZNFXUDYRKD-UHFFFAOYSA-M 0.000 claims description 52
- 239000011259 mixed solution Substances 0.000 claims description 35
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 25
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 16
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 13
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims description 11
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 11
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 11
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 11
- 239000006258 conductive agent Substances 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 9
- 239000010439 graphite Substances 0.000 claims description 8
- 229910002804 graphite Inorganic materials 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 6
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 6
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 6
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 6
- 239000010405 anode material Substances 0.000 claims description 5
- 229920001577 copolymer Polymers 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims description 4
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims description 4
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 claims description 4
- 229910021389 graphene Inorganic materials 0.000 claims description 3
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 3
- CPKVUHPKYQGHMW-UHFFFAOYSA-N 1-ethenylpyrrolidin-2-one;molecular iodine Chemical compound II.C=CN1CCCC1=O CPKVUHPKYQGHMW-UHFFFAOYSA-N 0.000 claims description 2
- 229920000153 Povidone-iodine Polymers 0.000 claims description 2
- 239000006229 carbon black Substances 0.000 claims description 2
- 239000002048 multi walled nanotube Substances 0.000 claims description 2
- 229960001621 povidone-iodine Drugs 0.000 claims description 2
- 239000002109 single walled nanotube Substances 0.000 claims description 2
- 239000002033 PVDF binder Substances 0.000 abstract description 13
- 229920002981 polyvinylidene fluoride Polymers 0.000 abstract description 13
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 6
- 238000011084 recovery Methods 0.000 abstract description 6
- 238000004062 sedimentation Methods 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 23
- 238000001035 drying Methods 0.000 description 18
- 239000003273 ketjen black Substances 0.000 description 14
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 12
- 239000000843 powder Substances 0.000 description 12
- 229910001220 stainless steel Inorganic materials 0.000 description 12
- 239000010935 stainless steel Substances 0.000 description 12
- 229910052799 carbon Inorganic materials 0.000 description 11
- 238000003756 stirring Methods 0.000 description 11
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 10
- 239000011248 coating agent Substances 0.000 description 10
- 238000000576 coating method Methods 0.000 description 10
- 238000005520 cutting process Methods 0.000 description 10
- 229910001416 lithium ion Inorganic materials 0.000 description 10
- 238000005096 rolling process Methods 0.000 description 10
- 229920003082 Povidone K 90 Polymers 0.000 description 9
- 230000014759 maintenance of location Effects 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 229910052744 lithium Inorganic materials 0.000 description 5
- -1 lithium halide Chemical class 0.000 description 5
- 239000012982 microporous membrane Substances 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- 238000000498 ball milling Methods 0.000 description 3
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 238000001878 scanning electron micrograph Methods 0.000 description 3
- 229920003048 styrene butadiene rubber Polymers 0.000 description 3
- FAAHNQAYWKTLFD-UHFFFAOYSA-N 1-butan-2-ylpyrrolidin-2-one Chemical compound CCC(C)N1CCCC1=O FAAHNQAYWKTLFD-UHFFFAOYSA-N 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 2
- 229910000570 Cupronickel Inorganic materials 0.000 description 2
- HFCVPDYCRZVZDF-UHFFFAOYSA-N [Li+].[Co+2].[Ni+2].[O-][Mn]([O-])(=O)=O Chemical compound [Li+].[Co+2].[Ni+2].[O-][Mn]([O-])(=O)=O HFCVPDYCRZVZDF-UHFFFAOYSA-N 0.000 description 2
- 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 2
- 239000006230 acetylene black Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 description 2
- 230000001351 cycling effect Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000000875 high-speed ball milling Methods 0.000 description 2
- 239000011630 iodine Substances 0.000 description 2
- 229910052740 iodine Inorganic materials 0.000 description 2
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 2
- IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Chemical compound [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 2
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 229910013553 LiNO Inorganic materials 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- PFYQFCKUASLJLL-UHFFFAOYSA-N [Co].[Ni].[Li] Chemical compound [Co].[Ni].[Li] PFYQFCKUASLJLL-UHFFFAOYSA-N 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000006256 anode slurry Substances 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000011883 electrode binding agent Substances 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 206010016766 flatulence Diseases 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 229920001909 styrene-acrylic polymer Polymers 0.000 description 1
- 238000009461 vacuum packaging Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000010887 waste solvent Substances 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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
-
- 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
-
- 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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/582—Halogenides
-
- 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
- H01M4/622—Binders being polymers
-
- 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)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
示例 | 3C(%) | 5C(%) | 8C(%) | 10C(%) |
实施例1 | 100.00 | 100.00 | 100.00 | 85.10 |
实施例2 | 100.00 | 100.00 | 100.00 | 88.00 |
实施例3 | 100.00 | 100.00 | 100.00 | 77.50 |
实施例4 | 100.00 | 100.00 | 100.00 | 86.2 |
对比例1 | 100.00 | 100.00 | 72.60 | 53.50 |
对比例2 | 90.00 | 83.90 | 75.70 | 63.40 |
对比例3 | 100.00 | 90.00 | 86.10 | 75.60 |
示例 | 首圈放电比容量(mAh/g) |
实施例1 | 155 |
实施例2 | 156 |
实施例3 | 152 |
实施例4 | 158 |
对比例1 | 120 |
对比例2 | 130 |
对比例3 | 110 |
Claims (10)
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CN202111370489.8A CN114156469B (zh) | 2021-11-18 | 2021-11-18 | 一种正极浆料及其制备方法和应用 |
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CN202111370489.8A CN114156469B (zh) | 2021-11-18 | 2021-11-18 | 一种正极浆料及其制备方法和应用 |
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Publication Number | Publication Date |
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CN114156469A CN114156469A (zh) | 2022-03-08 |
CN114156469B true CN114156469B (zh) | 2023-10-31 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107658429A (zh) * | 2017-09-28 | 2018-02-02 | 东莞市沃泰通新能源有限公司 | 一种锂离子电池浆料的制备方法 |
CN108063214A (zh) * | 2017-11-10 | 2018-05-22 | 浙江衡远新能源科技有限公司 | 一种锂离子电池正极浆料的制备方法 |
CN111509221A (zh) * | 2020-04-24 | 2020-08-07 | 惠州亿纬锂能股份有限公司 | 一种倍率型水系正极浆料、其制备方法、得到的极片和电池、及电池的用途 |
CN111600020A (zh) * | 2020-05-27 | 2020-08-28 | 常州赛得能源科技有限公司 | 一种锂离子电池及其制备方法 |
CN113314704A (zh) * | 2021-05-28 | 2021-08-27 | 赣州市沃能新能源有限公司 | 一种卤化锂高能量密度电池正极浆料及其制备方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170155129A1 (en) * | 2015-08-27 | 2017-06-01 | Indiana University Research And Technology Corporation | High-energy rechargeable lithium-sulfur batteries |
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2021
- 2021-11-18 CN CN202111370489.8A patent/CN114156469B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107658429A (zh) * | 2017-09-28 | 2018-02-02 | 东莞市沃泰通新能源有限公司 | 一种锂离子电池浆料的制备方法 |
CN108063214A (zh) * | 2017-11-10 | 2018-05-22 | 浙江衡远新能源科技有限公司 | 一种锂离子电池正极浆料的制备方法 |
CN111509221A (zh) * | 2020-04-24 | 2020-08-07 | 惠州亿纬锂能股份有限公司 | 一种倍率型水系正极浆料、其制备方法、得到的极片和电池、及电池的用途 |
CN111600020A (zh) * | 2020-05-27 | 2020-08-28 | 常州赛得能源科技有限公司 | 一种锂离子电池及其制备方法 |
CN113314704A (zh) * | 2021-05-28 | 2021-08-27 | 赣州市沃能新能源有限公司 | 一种卤化锂高能量密度电池正极浆料及其制备方法 |
Non-Patent Citations (1)
Title |
---|
Structure and charge transport of polyiodide networks for electrolytically in-situ formed batteries;W. Yourey 等;Solid State Ionics;第204-205卷;第80-86页 * |
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Effective date of registration: 20240604 Address after: Room 402-1, Door 5, Building 2, No. 6 Zhuyuan Road, Huayuan Industrial Zone, Binhai New Area, Tianjin, 300000 Patentee after: Tianjin Guangcaiweiye Technology Co.,Ltd. Country or region after: China Address before: 226010 No. 1692, Xinghu Avenue, development zone, Nantong City, Jiangsu Province Patentee before: Nantong saide Energy Co.,Ltd. Country or region before: China |