CN111847529A - 一种去除氢氧化物前驱体中硫含量的方法 - Google Patents
一种去除氢氧化物前驱体中硫含量的方法 Download PDFInfo
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- CN111847529A CN111847529A CN202010716123.0A CN202010716123A CN111847529A CN 111847529 A CN111847529 A CN 111847529A CN 202010716123 A CN202010716123 A CN 202010716123A CN 111847529 A CN111847529 A CN 111847529A
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- washing
- slurry
- sulfur content
- removing sulfur
- precursor
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- 239000002243 precursor Substances 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 33
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 239000011593 sulfur Substances 0.000 title claims abstract description 30
- 229910052717 sulfur Inorganic materials 0.000 title claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 title claims abstract description 17
- 238000005406 washing Methods 0.000 claims abstract description 68
- 239000002002 slurry Substances 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 230000032683 aging Effects 0.000 claims abstract description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 239000000047 product Substances 0.000 claims description 16
- 239000012065 filter cake Substances 0.000 claims description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 239000000243 solution Substances 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 7
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 7
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 7
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 claims description 7
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 claims description 7
- 239000012266 salt solution Substances 0.000 claims description 7
- 238000007873 sieving Methods 0.000 claims description 7
- 229910000361 cobalt sulfate Inorganic materials 0.000 claims description 6
- 229940044175 cobalt sulfate Drugs 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 229940099596 manganese sulfate Drugs 0.000 claims description 6
- 239000011702 manganese sulphate Substances 0.000 claims description 6
- 235000007079 manganese sulphate Nutrition 0.000 claims description 6
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 claims description 6
- 229940053662 nickel sulfate Drugs 0.000 claims description 6
- 238000004806 packaging method and process Methods 0.000 claims description 6
- 230000002431 foraging effect Effects 0.000 claims description 2
- 239000003513 alkali Substances 0.000 abstract description 17
- 239000012535 impurity Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 9
- 239000002351 wastewater Substances 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000002245 particle Substances 0.000 description 9
- 239000010405 anode material Substances 0.000 description 6
- -1 nickel-cobalt-aluminum Chemical compound 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 239000012452 mother liquor Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005342 ion exchange Methods 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 238000009736 wetting Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910001415 sodium ion Inorganic materials 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910000357 manganese(II) sulfate Inorganic materials 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 239000012716 precipitator Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
- C01G53/006—Compounds containing, besides nickel, two or more other elements, with the exception of oxygen or hydrogen
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
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CN202010716123.0A CN111847529A (zh) | 2020-07-23 | 2020-07-23 | 一种去除氢氧化物前驱体中硫含量的方法 |
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CN202010716123.0A CN111847529A (zh) | 2020-07-23 | 2020-07-23 | 一种去除氢氧化物前驱体中硫含量的方法 |
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CN202010716123.0A Pending CN111847529A (zh) | 2020-07-23 | 2020-07-23 | 一种去除氢氧化物前驱体中硫含量的方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113440903A (zh) * | 2021-05-21 | 2021-09-28 | 中冶瑞木新能源科技有限公司 | 一种三元前驱体陈化的方法 |
CN114784218A (zh) * | 2022-03-29 | 2022-07-22 | 兰州金通储能动力新材料有限公司 | 一种降低锂电池正极材料表面碱含量的方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102280619A (zh) * | 2011-07-08 | 2011-12-14 | 厦门钨业股份有限公司 | 高振实球形三元正极材料前驱体制备方法 |
CN103332753A (zh) * | 2013-06-06 | 2013-10-02 | 南通瑞翔新材料有限公司 | 高振实球形高锰三元正极材料前驱体的制备方法 |
CN103342395A (zh) * | 2013-07-04 | 2013-10-09 | 厦门钨业股份有限公司 | 一种低硫三元前驱体的制备方法 |
CN106745331A (zh) * | 2016-11-24 | 2017-05-31 | 华友新能源科技(衢州)有限公司 | 一种低硫小粒径镍钴锰氢氧化物的制备方法 |
CN107459069A (zh) * | 2017-08-25 | 2017-12-12 | 浙江华友钴业股份有限公司 | 一种降低镍钴铝前驱体硫含量的方法 |
CN109279661A (zh) * | 2018-09-13 | 2019-01-29 | 湖南鸿捷新材料有限公司 | 一种降低ncm三元前驱体硫含量的制备方法 |
CN110550668A (zh) * | 2019-07-25 | 2019-12-10 | 浙江美都海创锂电科技有限公司 | 一种动力型单晶ncm622型前驱体浓缩机工艺制备方法 |
CN110817975A (zh) * | 2019-09-19 | 2020-02-21 | 宜宾光原锂电材料有限公司 | 一种降低三元前驱体硫含量的方法 |
-
2020
- 2020-07-23 CN CN202010716123.0A patent/CN111847529A/zh active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102280619A (zh) * | 2011-07-08 | 2011-12-14 | 厦门钨业股份有限公司 | 高振实球形三元正极材料前驱体制备方法 |
CN103332753A (zh) * | 2013-06-06 | 2013-10-02 | 南通瑞翔新材料有限公司 | 高振实球形高锰三元正极材料前驱体的制备方法 |
CN103342395A (zh) * | 2013-07-04 | 2013-10-09 | 厦门钨业股份有限公司 | 一种低硫三元前驱体的制备方法 |
CN106745331A (zh) * | 2016-11-24 | 2017-05-31 | 华友新能源科技(衢州)有限公司 | 一种低硫小粒径镍钴锰氢氧化物的制备方法 |
CN107459069A (zh) * | 2017-08-25 | 2017-12-12 | 浙江华友钴业股份有限公司 | 一种降低镍钴铝前驱体硫含量的方法 |
CN109279661A (zh) * | 2018-09-13 | 2019-01-29 | 湖南鸿捷新材料有限公司 | 一种降低ncm三元前驱体硫含量的制备方法 |
CN110550668A (zh) * | 2019-07-25 | 2019-12-10 | 浙江美都海创锂电科技有限公司 | 一种动力型单晶ncm622型前驱体浓缩机工艺制备方法 |
CN110817975A (zh) * | 2019-09-19 | 2020-02-21 | 宜宾光原锂电材料有限公司 | 一种降低三元前驱体硫含量的方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113440903A (zh) * | 2021-05-21 | 2021-09-28 | 中冶瑞木新能源科技有限公司 | 一种三元前驱体陈化的方法 |
CN114784218A (zh) * | 2022-03-29 | 2022-07-22 | 兰州金通储能动力新材料有限公司 | 一种降低锂电池正极材料表面碱含量的方法 |
CN114784218B (zh) * | 2022-03-29 | 2023-11-07 | 兰州金通储能动力新材料有限公司 | 一种降低锂电池正极材料表面碱含量的方法 |
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Effective date of registration: 20220303 Address after: 324000 No.1, building 9, No.18, Nianxin Road, Quzhou City, Zhejiang Province Applicant after: HUAYOU NEW ENERGY TECHNOLOGY (QUZHOU) Co.,Ltd. Applicant after: ZHEJIANG HUAYOU COBALT Co.,Ltd. Applicant after: Zhejiang Huayou Puxiang new energy materials Co.,Ltd. Address before: 324000 No.1, building 9, No.18, Nianxin Road, Quzhou City, Zhejiang Province Applicant before: HUAYOU NEW ENERGY TECHNOLOGY (QUZHOU) Co.,Ltd. Applicant before: ZHEJIANG HUAYOU COBALT Co.,Ltd. Applicant before: QUZHOU HUAHAI NEW ENERGY TECHNOLOGY Co.,Ltd. Applicant before: Zhejiang Huayou Puxiang new energy materials Co.,Ltd. |
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Application publication date: 20201030 |
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