CN111342021A - 一种碳负极浆料的制备方法 - Google Patents
一种碳负极浆料的制备方法 Download PDFInfo
- Publication number
- CN111342021A CN111342021A CN202010168320.3A CN202010168320A CN111342021A CN 111342021 A CN111342021 A CN 111342021A CN 202010168320 A CN202010168320 A CN 202010168320A CN 111342021 A CN111342021 A CN 111342021A
- Authority
- CN
- China
- Prior art keywords
- silicon
- slurry
- graphite
- stirring
- graphite material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 13
- 238000002360 preparation method Methods 0.000 title claims abstract description 5
- 239000006257 cathode slurry Substances 0.000 title abstract 3
- 239000007770 graphite material Substances 0.000 claims abstract description 42
- 239000002153 silicon-carbon composite material Substances 0.000 claims abstract description 42
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims description 79
- 239000002002 slurry Substances 0.000 claims description 60
- 229910021383 artificial graphite Inorganic materials 0.000 claims description 31
- 239000000463 material Substances 0.000 claims description 24
- 229910021382 natural graphite Inorganic materials 0.000 claims description 23
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical group [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 18
- 239000002041 carbon nanotube Substances 0.000 claims description 18
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 18
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 18
- 239000002245 particle Substances 0.000 claims description 18
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 18
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 18
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 17
- 229910052710 silicon Inorganic materials 0.000 claims description 17
- 239000010703 silicon Substances 0.000 claims description 17
- 239000008367 deionised water Substances 0.000 claims description 13
- 229910021641 deionized water Inorganic materials 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 229910003481 amorphous carbon Inorganic materials 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 12
- 239000006258 conductive agent Substances 0.000 claims description 10
- 239000002270 dispersing agent Substances 0.000 claims description 10
- 239000011230 binding agent Substances 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 8
- 239000011267 electrode slurry Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims 2
- 230000001070 adhesive effect Effects 0.000 claims 2
- 239000006185 dispersion Substances 0.000 abstract description 4
- 230000014759 maintenance of location Effects 0.000 abstract description 3
- 239000000956 alloy Substances 0.000 description 12
- 229910045601 alloy Inorganic materials 0.000 description 12
- 239000010405 anode material Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000006256 anode slurry Substances 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002006 petroleum coke Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011163 secondary particle Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000126 substance 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
- H01M4/362—Composites
- H01M4/366—Composites as layered products
-
- 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
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
- H01M4/386—Silicon or alloys based on silicon
-
- 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
-
- 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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
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CN202010168320.3A CN111342021B (zh) | 2020-03-12 | 2020-03-12 | 一种碳负极浆料的制备方法 |
Applications Claiming Priority (1)
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CN202010168320.3A CN111342021B (zh) | 2020-03-12 | 2020-03-12 | 一种碳负极浆料的制备方法 |
Publications (2)
Publication Number | Publication Date |
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CN111342021A true CN111342021A (zh) | 2020-06-26 |
CN111342021B CN111342021B (zh) | 2021-04-02 |
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CN202010168320.3A Active CN111342021B (zh) | 2020-03-12 | 2020-03-12 | 一种碳负极浆料的制备方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114267823A (zh) * | 2021-12-17 | 2022-04-01 | 珠海冠宇电池股份有限公司 | 一种负极片及含有该负极片的锂离子电池 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101563358B1 (ko) * | 2013-11-11 | 2015-10-27 | 재단법인 철원플라즈마 산업기술연구원 | 리튬 이차전지용 음극 활물질 제조방법 그리고 리튬 이차 전지 |
CN107069016A (zh) * | 2017-04-24 | 2017-08-18 | 广东烛光新能源科技有限公司 | 一种硅碳负极材料及其制备方法 |
CN109301158A (zh) * | 2018-10-09 | 2019-02-01 | 邓丽萍 | 一种阴极浆料的制备方法 |
WO2019242647A1 (zh) * | 2018-06-22 | 2019-12-26 | 比亚迪股份有限公司 | 锂离子电池负极材料及其制备方法、负极和锂离子电池 |
CN110649249A (zh) * | 2019-10-14 | 2020-01-03 | 钱起 | 一种硅碳复合电极浆料及其电极的制备方法 |
CN110707306A (zh) * | 2019-10-18 | 2020-01-17 | 陆晨杰 | 一种用于锂离子电池的硅碳负极的制备方法 |
-
2020
- 2020-03-12 CN CN202010168320.3A patent/CN111342021B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101563358B1 (ko) * | 2013-11-11 | 2015-10-27 | 재단법인 철원플라즈마 산업기술연구원 | 리튬 이차전지용 음극 활물질 제조방법 그리고 리튬 이차 전지 |
CN107069016A (zh) * | 2017-04-24 | 2017-08-18 | 广东烛光新能源科技有限公司 | 一种硅碳负极材料及其制备方法 |
WO2019242647A1 (zh) * | 2018-06-22 | 2019-12-26 | 比亚迪股份有限公司 | 锂离子电池负极材料及其制备方法、负极和锂离子电池 |
CN109301158A (zh) * | 2018-10-09 | 2019-02-01 | 邓丽萍 | 一种阴极浆料的制备方法 |
CN110649249A (zh) * | 2019-10-14 | 2020-01-03 | 钱起 | 一种硅碳复合电极浆料及其电极的制备方法 |
CN110707306A (zh) * | 2019-10-18 | 2020-01-17 | 陆晨杰 | 一种用于锂离子电池的硅碳负极的制备方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114267823A (zh) * | 2021-12-17 | 2022-04-01 | 珠海冠宇电池股份有限公司 | 一种负极片及含有该负极片的锂离子电池 |
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CN111342021B (zh) | 2021-04-02 |
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Legal Events
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20210220 Address after: 323300 No. 998, Kaien Road, miaogao street, Suichang County, Lishui City, Zhejiang Province Applicant after: Yuheng Battery Co.,Ltd. Address before: 224700 Room 401, building 44, xiyuanxin village, Jianhu County, Yancheng City, Jiangsu Province Applicant before: Tan Yi |
|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 323300 No. 998, Kaien Road, miaogao street, Suichang County, Lishui City, Zhejiang Province Patentee after: Yuheng Battery Co.,Ltd. Address before: 323300 No. 998, Kaien Road, miaogao street, Suichang County, Lishui City, Zhejiang Province Patentee before: Yuheng Battery Co.,Ltd. |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Preparation method of carbon negative electrode slurry Granted publication date: 20210402 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Lishui Suichang sub branch Pledgor: Yuheng Battery Co.,Ltd. Registration number: Y2024980046098 |