CN114361399A - 一种补锂正极材料及其制备方法 - Google Patents
一种补锂正极材料及其制备方法 Download PDFInfo
- Publication number
- CN114361399A CN114361399A CN202210033601.7A CN202210033601A CN114361399A CN 114361399 A CN114361399 A CN 114361399A CN 202210033601 A CN202210033601 A CN 202210033601A CN 114361399 A CN114361399 A CN 114361399A
- Authority
- CN
- China
- Prior art keywords
- lithium
- positive electrode
- electrode material
- intermediate product
- acetate
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- Granted
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- 239000013589 supplement Substances 0.000 title claims abstract description 73
- 239000010406 cathode material Substances 0.000 title claims abstract description 47
- 238000002360 preparation method Methods 0.000 title claims abstract description 27
- 239000013067 intermediate product Substances 0.000 claims abstract description 71
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 70
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 70
- 239000000243 solution Substances 0.000 claims abstract description 53
- 238000010438 heat treatment Methods 0.000 claims abstract description 44
- 239000007774 positive electrode material Substances 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims abstract description 34
- MQRWBMAEBQOWAF-UHFFFAOYSA-N acetic acid;nickel Chemical compound [Ni].CC(O)=O.CC(O)=O MQRWBMAEBQOWAF-UHFFFAOYSA-N 0.000 claims abstract description 32
- XIXADJRWDQXREU-UHFFFAOYSA-M lithium acetate Chemical compound [Li+].CC([O-])=O XIXADJRWDQXREU-UHFFFAOYSA-M 0.000 claims abstract description 32
- 229940071125 manganese acetate Drugs 0.000 claims abstract description 32
- UOGMEBQRZBEZQT-UHFFFAOYSA-L manganese(2+);diacetate Chemical compound [Mn+2].CC([O-])=O.CC([O-])=O UOGMEBQRZBEZQT-UHFFFAOYSA-L 0.000 claims abstract description 32
- 229940078494 nickel acetate Drugs 0.000 claims abstract description 32
- 238000001816 cooling Methods 0.000 claims abstract description 26
- 239000007864 aqueous solution Substances 0.000 claims abstract description 24
- 238000001035 drying Methods 0.000 claims abstract description 23
- 229940071257 lithium acetate Drugs 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 17
- 239000010405 anode material Substances 0.000 claims abstract description 14
- 238000002156 mixing Methods 0.000 claims abstract description 14
- 238000001354 calcination Methods 0.000 claims abstract description 13
- 238000005406 washing Methods 0.000 claims abstract description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 10
- 238000005245 sintering Methods 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 238000000926 separation method Methods 0.000 claims abstract description 3
- 239000007790 solid phase Substances 0.000 claims abstract description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 72
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 16
- 239000008103 glucose Substances 0.000 claims description 16
- 239000002904 solvent Substances 0.000 claims description 13
- 238000001291 vacuum drying Methods 0.000 claims description 13
- 239000012046 mixed solvent Substances 0.000 claims description 12
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 11
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 claims description 11
- 235000012538 ammonium bicarbonate Nutrition 0.000 claims description 11
- 239000001099 ammonium carbonate Substances 0.000 claims description 11
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 9
- 229910052748 manganese Inorganic materials 0.000 claims description 9
- 239000011572 manganese Substances 0.000 claims description 9
- 229930006000 Sucrose Natural products 0.000 claims description 6
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 claims description 6
- 239000005720 sucrose Substances 0.000 claims description 6
- 229920002472 Starch Polymers 0.000 claims description 4
- 239000008107 starch Substances 0.000 claims description 4
- 235000019698 starch Nutrition 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000003837 high-temperature calcination Methods 0.000 claims 1
- 239000007772 electrode material Substances 0.000 abstract description 12
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 10
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 8
- 238000005189 flocculation Methods 0.000 abstract description 6
- 230000016615 flocculation Effects 0.000 abstract description 6
- 238000001027 hydrothermal synthesis Methods 0.000 abstract description 4
- 230000000052 comparative effect Effects 0.000 description 12
- 238000000967 suction filtration Methods 0.000 description 10
- 239000012300 argon atmosphere Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 6
- 230000001502 supplementing effect Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 239000002243 precursor Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000011267 electrode slurry Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 238000005303 weighing 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
-
- 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
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/028—Positive 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)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
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CN202210033601.7A CN114361399B (zh) | 2022-01-12 | 2022-01-12 | 一种补锂正极材料及其制备方法 |
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CN202210033601.7A CN114361399B (zh) | 2022-01-12 | 2022-01-12 | 一种补锂正极材料及其制备方法 |
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CN114361399A true CN114361399A (zh) | 2022-04-15 |
CN114361399B CN114361399B (zh) | 2024-06-21 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114914434A (zh) * | 2022-06-30 | 2022-08-16 | 广州博粤新材料科技有限公司 | 一种含补锂剂的正极材料及其制备方法 |
CN115353085A (zh) * | 2022-09-21 | 2022-11-18 | 广西自贸区量孚新能源科技有限公司 | 一种含补锂剂的磷酸铁锂复合材料及其制备方法、应用和含其的电池 |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102201573A (zh) * | 2011-04-13 | 2011-09-28 | 北京工业大学 | 一种核壳结构锂离子电池富锂正极材料及其制备方法 |
WO2018156331A1 (en) * | 2017-02-27 | 2018-08-30 | Nanotek Instruments, Inc. | Cathode active material layer for lithium secondary battery and method of manufacturing |
CN108767229A (zh) * | 2018-05-30 | 2018-11-06 | 天津巴莫科技股份有限公司 | 一种分步复合富锂氧化物固溶体材料及其制备方法 |
CN110061319A (zh) * | 2018-12-31 | 2019-07-26 | 圣戈莱(北京)科技有限公司 | 一种废旧动力锂离子电池三元正极材料的回收再生方法 |
US20200052350A1 (en) * | 2018-08-13 | 2020-02-13 | Nanotek Instruments, Inc. | Method of improving power density and fast-chargeability of a lithium secondary battery |
CN112194201A (zh) * | 2020-05-08 | 2021-01-08 | 江苏载驰科技股份有限公司 | 一种回收废旧锂离子电池有价金属及再生三元正极材料的方法 |
CN112271280A (zh) * | 2020-10-22 | 2021-01-26 | 欣旺达电动汽车电池有限公司 | 复合正极材料及其制备方法和锂离子电池 |
CN113471415A (zh) * | 2020-03-31 | 2021-10-01 | 北京卫蓝新能源科技有限公司 | 一种复合包覆的锂离子电池正极材料及其制备方法 |
CN113471411A (zh) * | 2020-03-31 | 2021-10-01 | 北京卫蓝新能源科技有限公司 | 一种复合包覆正极材料及其制备方法 |
CN113611834A (zh) * | 2021-07-30 | 2021-11-05 | 蜂巢能源科技有限公司 | 一种三层核壳结构的正极材料、制备方法及电池 |
-
2022
- 2022-01-12 CN CN202210033601.7A patent/CN114361399B/zh active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102201573A (zh) * | 2011-04-13 | 2011-09-28 | 北京工业大学 | 一种核壳结构锂离子电池富锂正极材料及其制备方法 |
WO2018156331A1 (en) * | 2017-02-27 | 2018-08-30 | Nanotek Instruments, Inc. | Cathode active material layer for lithium secondary battery and method of manufacturing |
CN108767229A (zh) * | 2018-05-30 | 2018-11-06 | 天津巴莫科技股份有限公司 | 一种分步复合富锂氧化物固溶体材料及其制备方法 |
US20200052350A1 (en) * | 2018-08-13 | 2020-02-13 | Nanotek Instruments, Inc. | Method of improving power density and fast-chargeability of a lithium secondary battery |
CN110061319A (zh) * | 2018-12-31 | 2019-07-26 | 圣戈莱(北京)科技有限公司 | 一种废旧动力锂离子电池三元正极材料的回收再生方法 |
CN113471415A (zh) * | 2020-03-31 | 2021-10-01 | 北京卫蓝新能源科技有限公司 | 一种复合包覆的锂离子电池正极材料及其制备方法 |
CN113471411A (zh) * | 2020-03-31 | 2021-10-01 | 北京卫蓝新能源科技有限公司 | 一种复合包覆正极材料及其制备方法 |
CN112194201A (zh) * | 2020-05-08 | 2021-01-08 | 江苏载驰科技股份有限公司 | 一种回收废旧锂离子电池有价金属及再生三元正极材料的方法 |
CN112271280A (zh) * | 2020-10-22 | 2021-01-26 | 欣旺达电动汽车电池有限公司 | 复合正极材料及其制备方法和锂离子电池 |
CN113611834A (zh) * | 2021-07-30 | 2021-11-05 | 蜂巢能源科技有限公司 | 一种三层核壳结构的正极材料、制备方法及电池 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114914434A (zh) * | 2022-06-30 | 2022-08-16 | 广州博粤新材料科技有限公司 | 一种含补锂剂的正极材料及其制备方法 |
CN115353085A (zh) * | 2022-09-21 | 2022-11-18 | 广西自贸区量孚新能源科技有限公司 | 一种含补锂剂的磷酸铁锂复合材料及其制备方法、应用和含其的电池 |
CN115353085B (zh) * | 2022-09-21 | 2023-09-22 | 上海量孚新能源科技有限公司 | 一种含补锂剂的磷酸铁锂复合材料及其制备方法、应用和含其的电池 |
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CN114361399B (zh) | 2024-06-21 |
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