CN114864906A - 一种锂离子电池碳负极材料及其制备方法和系统 - Google Patents
一种锂离子电池碳负极材料及其制备方法和系统 Download PDFInfo
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- CN114864906A CN114864906A CN202210604550.9A CN202210604550A CN114864906A CN 114864906 A CN114864906 A CN 114864906A CN 202210604550 A CN202210604550 A CN 202210604550A CN 114864906 A CN114864906 A CN 114864906A
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 112
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 33
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 26
- 239000010406 cathode material Substances 0.000 title claims abstract description 14
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000002245 particle Substances 0.000 claims abstract description 179
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 79
- 239000010439 graphite Substances 0.000 claims abstract description 79
- 239000011163 secondary particle Substances 0.000 claims abstract description 31
- 239000002002 slurry Substances 0.000 claims abstract description 24
- 239000006258 conductive agent Substances 0.000 claims abstract description 19
- 239000011164 primary particle Substances 0.000 claims abstract description 19
- 239000011230 binding agent Substances 0.000 claims abstract description 12
- 238000003756 stirring Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 21
- 238000005507 spraying Methods 0.000 claims description 18
- 238000002156 mixing Methods 0.000 claims description 17
- 239000007773 negative electrode material Substances 0.000 claims description 16
- 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 claims description 15
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 15
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 15
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 15
- 239000007921 spray Substances 0.000 claims description 13
- 238000003860 storage Methods 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 10
- 239000010405 anode material Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 5
- 230000007306 turnover Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 238000005054 agglomeration Methods 0.000 abstract description 5
- 230000002776 aggregation Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000006185 dispersion Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 description 6
- 238000009826 distribution Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 239000011267 electrode slurry Substances 0.000 description 4
- 238000000889 atomisation Methods 0.000 description 3
- 239000006257 cathode slurry Substances 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 3
- 239000000084 colloidal system Substances 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 208000032953 Device battery issue Diseases 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910003481 amorphous carbon Inorganic materials 0.000 description 1
- 239000006256 anode slurry Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000010334 sieve classification Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
- H01M4/364—Composites as mixtures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
- B01J2/04—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a gaseous medium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
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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
- 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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
- H01M4/366—Composites as layered products
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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
- H01M4/36—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
- H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
- H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
-
- 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
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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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
-
- 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
- H01M2004/021—Physical characteristics, e.g. porosity, surface area
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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
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/027—Negative 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
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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
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Abstract
Description
Claims (8)
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CN202210604550.9A CN114864906B (zh) | 2022-05-31 | 2022-05-31 | 一种锂离子电池碳负极材料及其制备方法和系统 |
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CN202210604550.9A CN114864906B (zh) | 2022-05-31 | 2022-05-31 | 一种锂离子电池碳负极材料及其制备方法和系统 |
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CN114864906A true CN114864906A (zh) | 2022-08-05 |
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Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63201416A (ja) * | 1987-02-16 | 1988-08-19 | Hitachi Ltd | 石炭・水スラリ燃焼ボイラ |
CN102309414A (zh) * | 2011-09-22 | 2012-01-11 | 贵阳新天药业股份有限公司 | 一种坤泰胶囊的干法制粒方法 |
CN103311517A (zh) * | 2012-03-07 | 2013-09-18 | 上海杉杉科技有限公司 | 锂离子电池用TiO2包覆石墨复合颗粒及其制备方法和应用 |
CN103620836A (zh) * | 2011-06-30 | 2014-03-05 | 三洋电机株式会社 | 非水电解质二次电池及其制造方法 |
US20150295233A1 (en) * | 2012-11-21 | 2015-10-15 | Umicore | Method for producing negative electrode material for lithium ion batteries |
WO2016201982A1 (zh) * | 2015-06-18 | 2016-12-22 | 田东 | 一种锂离子电池石墨负极浆料及其制备方法 |
CN111146418A (zh) * | 2019-12-24 | 2020-05-12 | 中国科学院山西煤炭化学研究所 | 一种高能量密度锂离子电池负极材料及其制备方法 |
CN111540883A (zh) * | 2020-05-26 | 2020-08-14 | 苏州凌威新能源科技有限公司 | 一种负极片及储能装置 |
CN112603902A (zh) * | 2020-12-07 | 2021-04-06 | 北京亚东生物制药有限公司 | 右酮洛芬氨丁三醇胶囊及其制备工艺 |
CN113161525A (zh) * | 2021-04-20 | 2021-07-23 | 山东精工电子科技有限公司 | 锂离子电池负极浆料制备方法 |
-
2022
- 2022-05-31 CN CN202210604550.9A patent/CN114864906B/zh active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63201416A (ja) * | 1987-02-16 | 1988-08-19 | Hitachi Ltd | 石炭・水スラリ燃焼ボイラ |
CN103620836A (zh) * | 2011-06-30 | 2014-03-05 | 三洋电机株式会社 | 非水电解质二次电池及其制造方法 |
CN102309414A (zh) * | 2011-09-22 | 2012-01-11 | 贵阳新天药业股份有限公司 | 一种坤泰胶囊的干法制粒方法 |
CN103311517A (zh) * | 2012-03-07 | 2013-09-18 | 上海杉杉科技有限公司 | 锂离子电池用TiO2包覆石墨复合颗粒及其制备方法和应用 |
US20150295233A1 (en) * | 2012-11-21 | 2015-10-15 | Umicore | Method for producing negative electrode material for lithium ion batteries |
WO2016201982A1 (zh) * | 2015-06-18 | 2016-12-22 | 田东 | 一种锂离子电池石墨负极浆料及其制备方法 |
CN111146418A (zh) * | 2019-12-24 | 2020-05-12 | 中国科学院山西煤炭化学研究所 | 一种高能量密度锂离子电池负极材料及其制备方法 |
CN111540883A (zh) * | 2020-05-26 | 2020-08-14 | 苏州凌威新能源科技有限公司 | 一种负极片及储能装置 |
CN112603902A (zh) * | 2020-12-07 | 2021-04-06 | 北京亚东生物制药有限公司 | 右酮洛芬氨丁三醇胶囊及其制备工艺 |
CN113161525A (zh) * | 2021-04-20 | 2021-07-23 | 山东精工电子科技有限公司 | 锂离子电池负极浆料制备方法 |
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