CN109879332B - 一种富锂锰基正极材料前驱体及其制备方法 - Google Patents
一种富锂锰基正极材料前驱体及其制备方法 Download PDFInfo
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- CN109879332B CN109879332B CN201910212630.8A CN201910212630A CN109879332B CN 109879332 B CN109879332 B CN 109879332B CN 201910212630 A CN201910212630 A CN 201910212630A CN 109879332 B CN109879332 B CN 109879332B
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- lithium
- precursor
- positive electrode
- electrode material
- rich manganese
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- 239000002243 precursor Substances 0.000 title claims abstract description 53
- 239000011572 manganese Substances 0.000 title claims abstract description 48
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 title claims abstract description 41
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 40
- 229910052748 manganese Inorganic materials 0.000 title claims abstract description 40
- 239000007774 positive electrode material Substances 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000006258 conductive agent Substances 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 22
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 10
- 239000013078 crystal Substances 0.000 claims abstract description 4
- 229910017220 MnxMy Inorganic materials 0.000 claims abstract description 3
- 238000006243 chemical reaction Methods 0.000 claims description 40
- 239000008367 deionised water Substances 0.000 claims description 25
- 229910021641 deionized water Inorganic materials 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 24
- 239000000243 solution Substances 0.000 claims description 20
- 239000010405 anode material Substances 0.000 claims description 10
- 239000012266 salt solution Substances 0.000 claims description 10
- 229940099596 manganese sulfate Drugs 0.000 claims description 8
- 239000011702 manganese sulphate Substances 0.000 claims description 8
- 235000007079 manganese sulphate Nutrition 0.000 claims description 8
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical group [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- 238000000975 co-precipitation Methods 0.000 claims description 6
- 150000002696 manganese Chemical class 0.000 claims description 6
- 239000012716 precipitator Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 239000008139 complexing agent Substances 0.000 claims description 5
- 239000002270 dispersing agent Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000012046 mixed solvent Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 5
- 230000002572 peristaltic effect Effects 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 238000000967 suction filtration Methods 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000001556 precipitation Methods 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 2
- 239000002041 carbon nanotube Substances 0.000 claims description 2
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 150000002500 ions Chemical class 0.000 claims description 2
- MIVBAHRSNUNMPP-UHFFFAOYSA-N manganese(2+);dinitrate Chemical compound [Mn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MIVBAHRSNUNMPP-UHFFFAOYSA-N 0.000 claims description 2
- 229910017604 nitric acid Inorganic materials 0.000 claims description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 2
- 238000005303 weighing Methods 0.000 claims description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 16
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 16
- 239000002245 particle Substances 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000009792 diffusion process Methods 0.000 abstract description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 20
- 239000003513 alkali Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 9
- 239000002585 base Substances 0.000 description 7
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 6
- 235000011114 ammonium hydroxide Nutrition 0.000 description 6
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 description 6
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 description 6
- 229910017052 cobalt Inorganic materials 0.000 description 4
- 239000010941 cobalt Substances 0.000 description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 4
- 229910000361 cobalt sulfate Inorganic materials 0.000 description 4
- 229940044175 cobalt sulfate Drugs 0.000 description 4
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 description 4
- 229910021645 metal ion Inorganic materials 0.000 description 4
- 229940053662 nickel sulfate Drugs 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229910021389 graphene Inorganic materials 0.000 description 3
- 229910032387 LiCoO2 Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- -1 aluminum ions Chemical class 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 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 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- VEQPNABPJHWNSG-UHFFFAOYSA-N Nickel(2+) Chemical compound [Ni+2] VEQPNABPJHWNSG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 229910001437 manganese ion Inorganic materials 0.000 description 1
- 229910001453 nickel ion Inorganic materials 0.000 description 1
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- Battery Electrode And Active Subsutance (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
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CN112624210A (zh) * | 2020-12-18 | 2021-04-09 | 江西汉尧富锂科技有限公司 | 掺碳的碳酸镍钴锰材料及其制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102315432A (zh) * | 2011-05-23 | 2012-01-11 | 江苏正彤电子科技有限公司 | 一种C/Li2MSiO4-xNy/C(M=Fe,Mn,Co)复合锂离子电池正极材料及制备方法 |
CN108305994A (zh) * | 2017-12-19 | 2018-07-20 | 华南师范大学 | 一种包覆型石墨锂离子电池负极材料及其制备方法 |
CN109860536A (zh) * | 2018-12-18 | 2019-06-07 | 中科廊坊过程工程研究院 | 一种富锂锰基材料及其制备方法和应用 |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102315432A (zh) * | 2011-05-23 | 2012-01-11 | 江苏正彤电子科技有限公司 | 一种C/Li2MSiO4-xNy/C(M=Fe,Mn,Co)复合锂离子电池正极材料及制备方法 |
CN108305994A (zh) * | 2017-12-19 | 2018-07-20 | 华南师范大学 | 一种包覆型石墨锂离子电池负极材料及其制备方法 |
CN109860536A (zh) * | 2018-12-18 | 2019-06-07 | 中科廊坊过程工程研究院 | 一种富锂锰基材料及其制备方法和应用 |
Non-Patent Citations (5)
Title |
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Effect of Carbon Core Grafting on the Properties of Carbon-Sulfur Composite for Lithium/Sulfur Battery;Chaoying Zhang et al.;《Journal of The Electrochemical Society》;20150319;第A1067-A1071页 * |
Homogeneous reduced graphene oxide supported NiO-MnO2 ternary hybrids for electrode material with improved capacitive performance;Rajesh Kumar et al.;《Electrochimica Acta》;20190221;第303卷;第246-256页 * |
Improved cycling and high rate performance of core-shellLiFe1/3Mn1/3Co1/3PO4/carbon nanocomposites for lithium-ionbatteries: Effect of the carbon source;Huanhuan Li et al.;《Electrochimica Acta》;20140824;第407-414页 * |
Preparation and Electrochemical Properties of Coral-like Li2FeSiO4/C Cathode Material by Two-Step Precipitation Method;YINGLIN YAN et al.;《Journal of ELECTRONIC MATERIALS》;20160602;第4943-4951页 * |
富锂锰基正极材料动力锂离子电池的倍率性能;曾敏等;《电池》;20150228;第18-21页 * |
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Effective date of registration: 20230719 Address after: No. 581, baohu West Road, Xixia District, Yinchuan City, Ningxia Hui Autonomous Region, 750000 Patentee after: Ningxia Hanyao Lithium Technology Co.,Ltd. Address before: 86 No. 341000 Jiangxi city of Ganzhou province Zhanggong District Hongqi Avenue Patentee before: Jiangxi University of Science and Technology |
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Denomination of invention: A precursor of lithium rich manganese based cathode material and its preparation method Granted publication date: 20220225 Pledgee: China Construction Bank Corporation Yinchuan Xixia sub branch Pledgor: Ningxia Hanyao Lithium Technology Co.,Ltd.|Ningxia hanghan graphene Technology Research Institute (Co.,Ltd.) Registration number: Y2024640000012 |