CN111342029A - 一种锂离子电池复合正极的制备方法 - Google Patents
一种锂离子电池复合正极的制备方法 Download PDFInfo
- Publication number
- CN111342029A CN111342029A CN202010201761.9A CN202010201761A CN111342029A CN 111342029 A CN111342029 A CN 111342029A CN 202010201761 A CN202010201761 A CN 202010201761A CN 111342029 A CN111342029 A CN 111342029A
- Authority
- CN
- China
- Prior art keywords
- active
- active material
- slurry
- sieve
- active substance
- 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.)
- Granted
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 16
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 10
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 10
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000013543 active substance Substances 0.000 claims abstract description 290
- 239000011149 active material Substances 0.000 claims abstract description 214
- 239000002002 slurry Substances 0.000 claims abstract description 195
- 238000002156 mixing Methods 0.000 claims abstract description 169
- OMOVVBIIQSXZSZ-UHFFFAOYSA-N [6-(4-acetyloxy-5,9a-dimethyl-2,7-dioxo-4,5a,6,9-tetrahydro-3h-pyrano[3,4-b]oxepin-5-yl)-5-formyloxy-3-(furan-3-yl)-3a-methyl-7-methylidene-1a,2,3,4,5,6-hexahydroindeno[1,7a-b]oxiren-4-yl] 2-hydroxy-3-methylpentanoate Chemical compound CC12C(OC(=O)C(O)C(C)CC)C(OC=O)C(C3(C)C(CC(=O)OC4(C)COC(=O)CC43)OC(C)=O)C(=C)C32OC3CC1C=1C=COC=1 OMOVVBIIQSXZSZ-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000011248 coating agent Substances 0.000 claims abstract description 13
- 238000000576 coating method Methods 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 238000003756 stirring Methods 0.000 claims description 86
- 239000007787 solid Substances 0.000 claims description 72
- 239000002033 PVDF binder Substances 0.000 claims description 64
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 64
- 239000006258 conductive agent Substances 0.000 claims description 26
- 239000002904 solvent Substances 0.000 claims description 22
- 238000007873 sieving Methods 0.000 claims description 18
- 239000011230 binding agent Substances 0.000 claims description 14
- 239000000853 adhesive Substances 0.000 claims description 12
- 230000001070 adhesive effect Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- 229920001940 conductive polymer Polymers 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical group C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 239000002245 particle Substances 0.000 abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 62
- 239000006230 acetylene black Substances 0.000 description 62
- 239000011572 manganese Substances 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 238000009826 distribution Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000011148 porous material Substances 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- BVPMZCWLVVIHKO-UHFFFAOYSA-N lithium cobalt(2+) manganese(2+) oxygen(2-) Chemical compound [O-2].[Mn+2].[Co+2].[Li+] BVPMZCWLVVIHKO-UHFFFAOYSA-N 0.000 description 2
- 239000007774 positive electrode material Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 229910012771 LiCoMnO2 Inorganic materials 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 238000004537 pulping 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
- H01M4/48—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
- 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
-
- 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)
- Inorganic Chemistry (AREA)
- Composite Materials (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
0.2C(%) | 2C(%) | |
实施例1 | 98.9 | 95.5 |
实施例2 | 99.2 | 95.9 |
实施例3 | 99.1 | 96.5 |
对比例1 | 98.1 | 92.1 |
对比例2 | 97.2 | 91.4 |
对比例3 | 94.3 | 90.1 |
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010201761.9A CN111342029B (zh) | 2020-03-20 | 2020-03-20 | 一种锂离子电池复合正极的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010201761.9A CN111342029B (zh) | 2020-03-20 | 2020-03-20 | 一种锂离子电池复合正极的制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN111342029A true CN111342029A (zh) | 2020-06-26 |
CN111342029B CN111342029B (zh) | 2021-10-22 |
Family
ID=71186703
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010201761.9A Active CN111342029B (zh) | 2020-03-20 | 2020-03-20 | 一种锂离子电池复合正极的制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111342029B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102082269A (zh) * | 2009-11-27 | 2011-06-01 | 株式会社日立制作所 | 锂离子二次电池用正极材料及采用它的锂离子二次电池 |
CN104425825A (zh) * | 2013-09-06 | 2015-03-18 | 中国科学院金属研究所 | 一种锂离子电池电极结构及其制备方法 |
CN107170973A (zh) * | 2017-05-23 | 2017-09-15 | 苏州思创源博电子科技有限公司 | 一种钨包覆锂锰铝钴正极材料的制备方法 |
KR20170107213A (ko) * | 2016-03-15 | 2017-09-25 | 주식회사 엘지화학 | 리튬이차전지용 다층전극, 이의 제조방법 및 이를 포함하는 리튬이차전지 |
CN105074967B (zh) * | 2013-03-15 | 2018-07-10 | 应用材料公司 | 用于制造较厚电极的多层电池电极设计 |
CN110581256A (zh) * | 2019-10-17 | 2019-12-17 | 朱虎 | 一种磷酸铁锂正极的制备方法 |
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 |
CN110892564A (zh) * | 2017-07-13 | 2020-03-17 | 三星Sdi株式会社 | 锂二次电池 |
-
2020
- 2020-03-20 CN CN202010201761.9A patent/CN111342029B/zh active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102082269A (zh) * | 2009-11-27 | 2011-06-01 | 株式会社日立制作所 | 锂离子二次电池用正极材料及采用它的锂离子二次电池 |
CN105074967B (zh) * | 2013-03-15 | 2018-07-10 | 应用材料公司 | 用于制造较厚电极的多层电池电极设计 |
CN104425825A (zh) * | 2013-09-06 | 2015-03-18 | 中国科学院金属研究所 | 一种锂离子电池电极结构及其制备方法 |
KR20170107213A (ko) * | 2016-03-15 | 2017-09-25 | 주식회사 엘지화학 | 리튬이차전지용 다층전극, 이의 제조방법 및 이를 포함하는 리튬이차전지 |
CN107170973A (zh) * | 2017-05-23 | 2017-09-15 | 苏州思创源博电子科技有限公司 | 一种钨包覆锂锰铝钴正极材料的制备方法 |
CN110892564A (zh) * | 2017-07-13 | 2020-03-17 | 三星Sdi株式会社 | 锂二次电池 |
CN110581256A (zh) * | 2019-10-17 | 2019-12-17 | 朱虎 | 一种磷酸铁锂正极的制备方法 |
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 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
Also Published As
Publication number | Publication date |
---|---|
CN111342029B (zh) | 2021-10-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110676428B (zh) | 一种锂离子电池用混合正极的制备方法 | |
CN111370669B (zh) | 一种动力电池复合正极的制备方法 | |
CN101436667A (zh) | 一种锂离子电池用正极多孔材料及其制备方法 | |
CN109786714B (zh) | 一种基于锰酸锂材料的混合正极浆料的制备方法 | |
CN110581255A (zh) | 一种锂离子电池正极以及制备锂离子电池正极的方法 | |
US20210017028A1 (en) | Natural graphite, modified natural graphite material prepared therefrom, preparation method, and applications | |
CN106395811A (zh) | 一种低膨胀长循环天然石墨的制备方法 | |
CN114314580A (zh) | 一种复合石墨负极材料及其制备方法和应用 | |
US20230238513A1 (en) | Positive electrode material, positive electrode plate and battery | |
CN110649226B (zh) | 一种锰基锂氧化物正极及其制备方法 | |
CN101794880A (zh) | 一种锂离子电池用正极多孔材料的制备方法 | |
CN111342029B (zh) | 一种锂离子电池复合正极的制备方法 | |
CN115249799A (zh) | 钠离子电池松香基氮掺杂包覆硬碳负极材料及其制备方法 | |
CN110707293A (zh) | 一种锂离子电池阴极的制备方法 | |
CN111313085B (zh) | 一种锂离子电池正极的制备方法 | |
CN110707306B (zh) | 一种用于锂离子电池的硅碳负极的制备方法 | |
CN112259723A (zh) | 一种锂离子电池正极的制备方法 | |
CN111244431A (zh) | 一种锂离子电池阴极浆料的制备方法 | |
CN110649249B (zh) | 一种硅碳复合电极浆料及其电极的制备方法 | |
CN112186259A (zh) | 一种动力锂离子电池的制备方法 | |
CN109346726B (zh) | 一种高温型锰系锂电池正极 | |
CN116145154A (zh) | 一种磷酸盐钠离子电池正极材料及制备方法 | |
CN112563462A (zh) | 一种高电压复合正极材料及包含该材料的锂离子电池 | |
CN111370668B (zh) | 一种复合阴极的制浆方法 | |
CN113363425A (zh) | 一种锂离子电池阳极的制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
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: Cao Dongqiang Inventor after: Gong Lifeng Inventor after: Wang Hongzhong Inventor after: Huang Feizhong Inventor after: Yang Yang Inventor after: Jin Yan Inventor before: Jin Yan |
|
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20210930 Address after: 312000 No.19, Weixi Road, Shangyu economic and Technological Development Zone, Hangzhou Bay, Shaoxing City, Zhejiang Province Applicant after: GREATPOWER JINCHUAN ADVANCED BATTERY MATERIALS Corp. Address before: 215000 Room 302, building 6, Meishu garden, Huqiu District, Suzhou City, Jiangsu Province Applicant before: Jin Yan |
|
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: 312000 No.19, Weixi Road, Shangyu economic and Technological Development Zone, Hangzhou Bay, Shaoxing City, Zhejiang Province Patentee after: Zhejiang Gepai cobalt industry new material Co.,Ltd. Address before: 312000 No.19, Weixi Road, Shangyu economic and Technological Development Zone, Hangzhou Bay, Shaoxing City, Zhejiang Province Patentee before: GREATPOWER JINCHUAN ADVANCED BATTERY MATERIALS Corp. |