CN111370669A - 一种动力电池复合正极的制备方法 - Google Patents
一种动力电池复合正极的制备方法 Download PDFInfo
- Publication number
- CN111370669A CN111370669A CN202010196587.3A CN202010196587A CN111370669A CN 111370669 A CN111370669 A CN 111370669A CN 202010196587 A CN202010196587 A CN 202010196587A CN 111370669 A CN111370669 A CN 111370669A
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- screen
- active material
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- slurry
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- 239000002131 composite material Substances 0.000 title claims abstract description 12
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000011149 active material Substances 0.000 claims abstract description 88
- 239000002002 slurry Substances 0.000 claims abstract description 45
- 238000002156 mixing Methods 0.000 claims abstract description 31
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 claims abstract description 26
- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical compound [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910002102 lithium manganese oxide Inorganic materials 0.000 claims abstract description 24
- VLXXBCXTUVRROQ-UHFFFAOYSA-N lithium;oxido-oxo-(oxomanganiooxy)manganese Chemical compound [Li+].[O-][Mn](=O)O[Mn]=O VLXXBCXTUVRROQ-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000011248 coating agent Substances 0.000 claims abstract description 11
- 238000000576 coating method Methods 0.000 claims abstract description 11
- 238000001035 drying Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 60
- 238000003756 stirring Methods 0.000 claims description 28
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 22
- 239000007787 solid Substances 0.000 claims description 17
- 238000007581 slurry coating method Methods 0.000 claims description 14
- 239000006258 conductive agent Substances 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 229910052749 magnesium Inorganic materials 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 229910052758 niobium Inorganic materials 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910011297 LiCox Inorganic materials 0.000 claims description 2
- 229920001940 conductive polymer Polymers 0.000 claims description 2
- 229910002804 graphite Inorganic materials 0.000 claims description 2
- 239000010439 graphite Substances 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 239000011572 manganese Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000003960 organic solvent Substances 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000002033 PVDF binder Substances 0.000 description 20
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 20
- 239000011148 porous material Substances 0.000 description 20
- 239000002245 particle Substances 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 6
- 239000013543 active substance Substances 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000004537 pulping Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 229910032387 LiCoO2 Inorganic materials 0.000 description 1
- 229910002993 LiMnO2 Inorganic materials 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012216 screening 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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
- H01M4/364—Composites as mixtures
-
- 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
- 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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
-
- 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
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
- H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
-
- 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
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
- H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
-
- 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)
- Inorganic Chemistry (AREA)
- Composite Materials (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
容量保持率(%) | |
实施例1 | 97.2 |
实施例2 | 97.5 |
实施例3 | 97.6 |
对比例1 | 92.1 |
对比例2 | 90.6 |
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010196587.3A CN111370669B (zh) | 2020-03-19 | 2020-03-19 | 一种动力电池复合正极的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010196587.3A CN111370669B (zh) | 2020-03-19 | 2020-03-19 | 一种动力电池复合正极的制备方法 |
Publications (2)
Publication Number | Publication Date |
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CN111370669A true CN111370669A (zh) | 2020-07-03 |
CN111370669B CN111370669B (zh) | 2021-12-28 |
Family
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Family Applications (1)
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CN202010196587.3A Active CN111370669B (zh) | 2020-03-19 | 2020-03-19 | 一种动力电池复合正极的制备方法 |
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CN (1) | CN111370669B (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111933913A (zh) * | 2020-08-18 | 2020-11-13 | 苏州精诚智造智能科技有限公司 | 一种用于正极的制备方法 |
CN111933896A (zh) * | 2020-08-18 | 2020-11-13 | 苏州精诚智造智能科技有限公司 | 一种用于制备锂离子电池阴极的方法 |
CN112103490A (zh) * | 2020-09-30 | 2020-12-18 | 苏州极闪控电信息技术有限公司 | 一种制备锂离子电池复合正极的方法 |
CN113078293A (zh) * | 2021-03-24 | 2021-07-06 | 宁德新能源科技有限公司 | 电化学装置和电子装置 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060263691A1 (en) * | 2005-04-28 | 2006-11-23 | Samsung Sdi Co., Ltd. | Positive electrode for lithium secondary battery and lithium secondary battery having the same |
CN104205425A (zh) * | 2012-04-18 | 2014-12-10 | 株式会社Lg化学 | 多层电极及其制造方法 |
CN105009333A (zh) * | 2012-12-26 | 2015-10-28 | 汉阳大学校产学协力团 | 用于锂二次电池的正极活性材料 |
CN109786714A (zh) * | 2019-01-28 | 2019-05-21 | 李壮 | 一种基于锰酸锂材料的混合正极浆料的制备方法 |
CN110649226A (zh) * | 2019-11-07 | 2020-01-03 | 蒋子杰 | 一种锰基锂氧化物正极及其制备方法 |
CN110676428A (zh) * | 2019-10-17 | 2020-01-10 | 朱虎 | 一种锂离子电池用混合正极的制备方法 |
-
2020
- 2020-03-19 CN CN202010196587.3A patent/CN111370669B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060263691A1 (en) * | 2005-04-28 | 2006-11-23 | Samsung Sdi Co., Ltd. | Positive electrode for lithium secondary battery and lithium secondary battery having the same |
CN104205425A (zh) * | 2012-04-18 | 2014-12-10 | 株式会社Lg化学 | 多层电极及其制造方法 |
CN105009333A (zh) * | 2012-12-26 | 2015-10-28 | 汉阳大学校产学协力团 | 用于锂二次电池的正极活性材料 |
CN109786714A (zh) * | 2019-01-28 | 2019-05-21 | 李壮 | 一种基于锰酸锂材料的混合正极浆料的制备方法 |
CN110676428A (zh) * | 2019-10-17 | 2020-01-10 | 朱虎 | 一种锂离子电池用混合正极的制备方法 |
CN110649226A (zh) * | 2019-11-07 | 2020-01-03 | 蒋子杰 | 一种锰基锂氧化物正极及其制备方法 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111933913A (zh) * | 2020-08-18 | 2020-11-13 | 苏州精诚智造智能科技有限公司 | 一种用于正极的制备方法 |
CN111933896A (zh) * | 2020-08-18 | 2020-11-13 | 苏州精诚智造智能科技有限公司 | 一种用于制备锂离子电池阴极的方法 |
CN112103490A (zh) * | 2020-09-30 | 2020-12-18 | 苏州极闪控电信息技术有限公司 | 一种制备锂离子电池复合正极的方法 |
CN113078293A (zh) * | 2021-03-24 | 2021-07-06 | 宁德新能源科技有限公司 | 电化学装置和电子装置 |
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CN111370669B (zh) | 2021-12-28 |
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Date | Code | Title | Description |
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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 | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Wang Jun Inventor after: Lu Chenjie Inventor before: Lu Chenjie |
|
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20211203 Address after: 225400 talent science and Technology Plaza, Taixing high tech Industrial Development Zone, Taizhou City, Jiangsu Province Applicant after: Jiangsu Zhongyi Hechuang Intelligent Technology Co.,Ltd. Address before: 215000 Room 101, building 13, Longgang second village, Wuzhong District, Suzhou City, Jiangsu Province Applicant before: Lu Chenjie |
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GR01 | Patent grant | ||
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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: A preparation method of composite positive electrode for power batteries Effective date of registration: 20230331 Granted publication date: 20211228 Pledgee: Bank of Nanjing Co.,Ltd. Taizhou Branch Pledgor: Jiangsu Zhongyi Hechuang Intelligent Technology Co.,Ltd. Registration number: Y2023320000175 |