CN109004212B - 一种大倍率锰酸锂正极材料及其制备方法 - Google Patents
一种大倍率锰酸锂正极材料及其制备方法 Download PDFInfo
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- CN109004212B CN109004212B CN201810647107.3A CN201810647107A CN109004212B CN 109004212 B CN109004212 B CN 109004212B CN 201810647107 A CN201810647107 A CN 201810647107A CN 109004212 B CN109004212 B CN 109004212B
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- lithium manganate
- positive electrode
- electrode material
- solid electrolyte
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- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 title claims abstract description 92
- 239000007774 positive electrode material Substances 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000011029 spinel Substances 0.000 claims abstract description 44
- 229910052596 spinel Inorganic materials 0.000 claims abstract description 42
- 239000007784 solid electrolyte Substances 0.000 claims abstract description 33
- 229920000642 polymer Polymers 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 238000001694 spray drying Methods 0.000 claims abstract description 12
- 239000007864 aqueous solution Substances 0.000 claims abstract description 11
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000011572 manganese Substances 0.000 claims abstract description 9
- 239000010406 cathode material Substances 0.000 claims abstract description 7
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 5
- 238000000713 high-energy ball milling Methods 0.000 claims abstract description 4
- 238000000498 ball milling Methods 0.000 claims description 40
- 238000002156 mixing Methods 0.000 claims description 23
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 claims description 19
- 239000011248 coating agent Substances 0.000 claims description 14
- 238000000576 coating method Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 11
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 10
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 10
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 10
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 238000001354 calcination Methods 0.000 claims description 8
- 239000010439 graphite Substances 0.000 claims description 8
- 229910002804 graphite Inorganic materials 0.000 claims description 8
- 239000004005 microsphere Substances 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 239000003792 electrolyte Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000011164 primary particle Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 229910007913 Li-Al-Ti-P-O Inorganic materials 0.000 claims description 2
- 229910015645 LiMn Inorganic materials 0.000 claims description 2
- 229910008474 Li—Al—Ti—P—O Inorganic materials 0.000 claims description 2
- 229910008291 Li—B—O Inorganic materials 0.000 claims description 2
- 229910007052 Li—Ti—O Inorganic materials 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 2
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 2
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 2
- 238000004537 pulping Methods 0.000 claims description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 7
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 7
- 239000011148 porous material Substances 0.000 abstract description 5
- 239000002002 slurry Substances 0.000 abstract description 5
- 238000003756 stirring Methods 0.000 abstract description 5
- 239000005486 organic electrolyte Substances 0.000 abstract 1
- 229910020734 Li0.3La0.56TiO3 Inorganic materials 0.000 description 23
- 239000000463 material Substances 0.000 description 18
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical group O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 14
- 238000001816 cooling Methods 0.000 description 11
- 239000002994 raw material Substances 0.000 description 11
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 7
- 229910052808 lithium carbonate Inorganic materials 0.000 description 7
- 239000011268 mixed slurry Substances 0.000 description 4
- 239000002243 precursor Substances 0.000 description 4
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- 229910019142 PO4 Inorganic materials 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000011163 secondary particle Substances 0.000 description 3
- 238000003980 solgel method Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Chemical compound [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 description 2
- 229910001290 LiPF6 Inorganic materials 0.000 description 1
- 229910012465 LiTi Inorganic materials 0.000 description 1
- 229910010252 TiO3 Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007323 disproportionation reaction Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- XIXADJRWDQXREU-UHFFFAOYSA-M lithium acetate Chemical compound [Li+].CC([O-])=O XIXADJRWDQXREU-UHFFFAOYSA-M 0.000 description 1
- 150000002642 lithium compounds Chemical class 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 229940093474 manganese carbonate Drugs 0.000 description 1
- 235000006748 manganese carbonate Nutrition 0.000 description 1
- 239000011656 manganese carbonate Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- TYTHZVVGVFAQHF-UHFFFAOYSA-N manganese(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Mn+3].[Mn+3] TYTHZVVGVFAQHF-UHFFFAOYSA-N 0.000 description 1
- 229910000016 manganese(II) carbonate Inorganic materials 0.000 description 1
- GEYXPJBPASPPLI-UHFFFAOYSA-N manganese(III) oxide Inorganic materials O=[Mn]O[Mn]=O GEYXPJBPASPPLI-UHFFFAOYSA-N 0.000 description 1
- XMWCXZJXESXBBY-UHFFFAOYSA-L manganese(ii) carbonate Chemical compound [Mn+2].[O-]C([O-])=O XMWCXZJXESXBBY-UHFFFAOYSA-L 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- H01M4/48—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
-
- 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 & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
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CN109718910B (zh) * | 2018-12-28 | 2020-07-24 | 中国科学院长春光学精密机械与物理研究所 | 一种耐高温表面无序纳米材料的制备方法 |
CN111416111A (zh) * | 2020-04-17 | 2020-07-14 | 中国科学院物理研究所 | 一种改性锰酸锂材料及其制备方法和锂电池 |
CN111640934A (zh) * | 2020-04-18 | 2020-09-08 | 浙江金鹰新能源技术开发有限公司 | 一种锂离子正极材料高温固相烧结的方法 |
CN111934004B (zh) * | 2020-08-19 | 2022-05-27 | 清陶(昆山)能源发展有限公司 | 一种锰酸锂/固态电解质复合材料及其制备方法和用途 |
CN114132966B (zh) * | 2020-09-03 | 2024-07-09 | 星恒电源(滁州)有限公司 | 一种表面修饰锰酸锂材料及其制备方法 |
CN114864940A (zh) * | 2022-04-08 | 2022-08-05 | 中国科学院青岛生物能源与过程研究所 | 一种高机械强度含包覆层的正极材料、制备方法及其应用 |
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CN102088084A (zh) * | 2009-12-03 | 2011-06-08 | 剩沅科技股份有限公司 | 一种锂电池复合电极活性材料及其制备方法 |
CN101841022A (zh) * | 2010-05-13 | 2010-09-22 | 湘西自治州矿产与新材料技术创新服务中心 | 一种锂离子电池正极材料锰酸锂的制备方法 |
CN103700831A (zh) * | 2012-09-28 | 2014-04-02 | 北京当升材料科技股份有限公司 | 一种球形锰酸锂材料的制备方法 |
CN106299339A (zh) * | 2016-09-27 | 2017-01-04 | 中国科学院大学 | 一种锂离子导体包覆尖晶石锰酸锂正极材料的制备方法 |
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Effective date of registration: 20221117 Address after: 417009 North of East West Second Street and west of North South Third Road, Second Industrial Park, Economic and Technological Development Zone, Loudi City, Hunan Province Patentee after: HUNAN DIANJIANGJUN NEW ENERGY CO.,LTD. Address before: Yuelu District City, Hunan province 410083 Changsha Lushan Road No. 932 Patentee before: CENTRAL SOUTH University |
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Denomination of invention: A high magnification lithium manganese oxide cathode material and its preparation method Granted publication date: 20201020 Pledgee: Bank of Communications Co.,Ltd. Loudi Branch Pledgor: HUNAN DIANJIANGJUN NEW ENERGY CO.,LTD. Registration number: Y2024980025287 |
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