CN113376316A - 高镍三元正极材料内部残留碳酸锂含量的检测方法 - Google Patents
高镍三元正极材料内部残留碳酸锂含量的检测方法 Download PDFInfo
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- CN113376316A CN113376316A CN202110384368.2A CN202110384368A CN113376316A CN 113376316 A CN113376316 A CN 113376316A CN 202110384368 A CN202110384368 A CN 202110384368A CN 113376316 A CN113376316 A CN 113376316A
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- Prior art keywords
- nickel ternary
- content
- lithium carbonate
- detecting
- positive electrode
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- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims abstract description 87
- 229910052759 nickel Inorganic materials 0.000 title claims abstract description 79
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 title claims abstract description 58
- 229910052808 lithium carbonate Inorganic materials 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 48
- 239000007774 positive electrode material Substances 0.000 title claims abstract description 27
- 239000010406 cathode material Substances 0.000 claims abstract description 35
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 25
- 239000002904 solvent Substances 0.000 claims abstract description 16
- 239000002253 acid Substances 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 14
- 238000012360 testing method Methods 0.000 claims abstract description 14
- 238000001354 calcination Methods 0.000 claims abstract description 13
- YQCIWBXEVYWRCW-UHFFFAOYSA-N methane;sulfane Chemical compound C.S YQCIWBXEVYWRCW-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000706 filtrate Substances 0.000 claims abstract description 6
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000004448 titration Methods 0.000 claims description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 2
- 229910017604 nitric acid Inorganic materials 0.000 claims description 2
- 238000005070 sampling Methods 0.000 claims description 2
- 239000010405 anode material Substances 0.000 abstract description 9
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 8
- 229910052744 lithium Inorganic materials 0.000 abstract description 8
- 238000011156 evaluation Methods 0.000 abstract description 2
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 29
- 238000001514 detection method Methods 0.000 description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 229910013716 LiNi Inorganic materials 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 239000011163 secondary particle Substances 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000001351 cycling effect Effects 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/16—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using titration
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/12—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using combustion
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Molecular Biology (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
测试物质 | 1 | 2 | 3 | 4 | 5 | 平均值(wt%) | RSD(%) |
Li<sub>2</sub>CO<sub>3</sub>(wt%) | 0.313 | 0.320 | 0.315 | 0.321 | 0.320 | 0.3178 | 1.12% |
LiOH(wt%) | 0.095 | 0.108 | 0.104 | 0.097 | 0.101 | 0.101 | 5.19% |
T1(wt%) | 0.051 | 0.052 | 0.051 | 0.052 | 0.052 | 0.052 | 1.05% |
T2(wt%) | 0.064 | 0.065 | 0.064 | 0.064 | 0.066 | 0.0644 | 1.39% |
T2-T1(wt%) | 0.013 | 0.013 | 0.013 | 0.012 | 0.014 | 0.013 | 5.44% |
Claims (9)
Priority Applications (1)
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CN202110384368.2A CN113376316A (zh) | 2021-04-09 | 2021-04-09 | 高镍三元正极材料内部残留碳酸锂含量的检测方法 |
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CN202110384368.2A CN113376316A (zh) | 2021-04-09 | 2021-04-09 | 高镍三元正极材料内部残留碳酸锂含量的检测方法 |
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CN202110384368.2A Pending CN113376316A (zh) | 2021-04-09 | 2021-04-09 | 高镍三元正极材料内部残留碳酸锂含量的检测方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114414728A (zh) * | 2021-12-09 | 2022-04-29 | 山东省科学院能源研究所 | 一种高镍层状氧化物正极材料表面锂残留的测定方法 |
Citations (7)
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---|---|---|---|---|
US20090120163A1 (en) * | 2007-11-13 | 2009-05-14 | Sanyo Electric Co., Ltd. | Method for judging quality of lithium nickel composite oxide and positive electrode using lithium nickel composite oxide |
CN101436660A (zh) * | 2007-11-13 | 2009-05-20 | 三洋电机株式会社 | 非水电解质二次电池用正极及该电池的制造方法 |
WO2012128288A1 (ja) * | 2011-03-24 | 2012-09-27 | Jx日鉱日石金属株式会社 | リチウムイオン電池用正極活物質、リチウムイオン電池用正極、及び、リチウムイオン電池 |
JP2016205862A (ja) * | 2015-04-16 | 2016-12-08 | 株式会社豊田自動織機 | 正極活物質のリチウム成分の測定方法 |
CN108181428A (zh) * | 2017-12-29 | 2018-06-19 | 南通瑞翔新材料有限公司 | 一种含硼三元正极材料残余碱含量的检测方法 |
CN108956850A (zh) * | 2017-05-17 | 2018-12-07 | 北大先行科技产业有限公司 | 一种快速评价三元正极材料表面残碱相对含量的检测方法 |
CN109580606A (zh) * | 2018-12-12 | 2019-04-05 | 彩虹集团新能源股份有限公司 | 一种正极材料表面残留碳酸锂、氢氧化锂含量的测定方法 |
-
2021
- 2021-04-09 CN CN202110384368.2A patent/CN113376316A/zh active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090120163A1 (en) * | 2007-11-13 | 2009-05-14 | Sanyo Electric Co., Ltd. | Method for judging quality of lithium nickel composite oxide and positive electrode using lithium nickel composite oxide |
CN101436660A (zh) * | 2007-11-13 | 2009-05-20 | 三洋电机株式会社 | 非水电解质二次电池用正极及该电池的制造方法 |
WO2012128288A1 (ja) * | 2011-03-24 | 2012-09-27 | Jx日鉱日石金属株式会社 | リチウムイオン電池用正極活物質、リチウムイオン電池用正極、及び、リチウムイオン電池 |
JP2016205862A (ja) * | 2015-04-16 | 2016-12-08 | 株式会社豊田自動織機 | 正極活物質のリチウム成分の測定方法 |
CN108956850A (zh) * | 2017-05-17 | 2018-12-07 | 北大先行科技产业有限公司 | 一种快速评价三元正极材料表面残碱相对含量的检测方法 |
CN108181428A (zh) * | 2017-12-29 | 2018-06-19 | 南通瑞翔新材料有限公司 | 一种含硼三元正极材料残余碱含量的检测方法 |
CN109580606A (zh) * | 2018-12-12 | 2019-04-05 | 彩虹集团新能源股份有限公司 | 一种正极材料表面残留碳酸锂、氢氧化锂含量的测定方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114414728A (zh) * | 2021-12-09 | 2022-04-29 | 山东省科学院能源研究所 | 一种高镍层状氧化物正极材料表面锂残留的测定方法 |
CN114414728B (zh) * | 2021-12-09 | 2024-06-25 | 山东省科学院能源研究所 | 一种高镍层状氧化物正极材料表面锂残留的测定方法 |
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Effective date of registration: 20211112 Address after: 311215 No. 855, Jianshe Second Road, economic and Technological Development Zone, Xiaoshan District, Hangzhou City, Zhejiang Province Applicant after: Wanxiang A123 Co.,Ltd. Address before: 311215 No. 855, Jianshe Second Road, Xiaoshan Economic and Technological Development Zone, Xiaoshan District, Hangzhou City, Zhejiang Province Applicant before: Wanxiang A123 Co.,Ltd. Applicant before: WANXIANG GROUP Co.,Ltd. |
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Application publication date: 20210910 |