CN109818100B - 一种修复改性LiFePO4正极废料再利用方法 - Google Patents
一种修复改性LiFePO4正极废料再利用方法 Download PDFInfo
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- CN109818100B CN109818100B CN201910227831.5A CN201910227831A CN109818100B CN 109818100 B CN109818100 B CN 109818100B CN 201910227831 A CN201910227831 A CN 201910227831A CN 109818100 B CN109818100 B CN 109818100B
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- 239000002699 waste material Substances 0.000 title claims abstract description 25
- 229910052493 LiFePO4 Inorganic materials 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000004064 recycling Methods 0.000 title claims abstract description 13
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 68
- 238000001035 drying Methods 0.000 claims abstract description 25
- 235000019441 ethanol Nutrition 0.000 claims abstract description 20
- 238000003756 stirring Methods 0.000 claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 13
- 239000000706 filtrate Substances 0.000 claims abstract description 12
- 238000001914 filtration Methods 0.000 claims abstract description 12
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 claims abstract description 12
- 229910000399 iron(III) phosphate Inorganic materials 0.000 claims abstract description 12
- 239000000843 powder Substances 0.000 claims abstract description 12
- 238000005406 washing Methods 0.000 claims abstract description 12
- 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 abstract description 11
- 239000008103 glucose Substances 0.000 claims abstract description 11
- 239000002244 precipitate Substances 0.000 claims abstract description 11
- 238000001354 calcination Methods 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 229910010710 LiFePO Inorganic materials 0.000 claims abstract description 7
- 229910010951 LiH2 Inorganic materials 0.000 claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 claims abstract description 3
- 238000002156 mixing Methods 0.000 claims abstract description 3
- 239000000047 product Substances 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 239000002033 PVDF binder Substances 0.000 claims description 5
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 5
- 229910052808 lithium carbonate Inorganic materials 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims 1
- 239000007774 positive electrode material Substances 0.000 claims 1
- 238000005070 sampling Methods 0.000 abstract description 2
- 239000012612 commercial material Substances 0.000 abstract 1
- 239000013078 crystal Substances 0.000 abstract 1
- 229910019142 PO4 Inorganic materials 0.000 description 9
- 239000010405 anode material Substances 0.000 description 5
- 239000012467 final product Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 3
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 230000005536 Jahn Teller effect Effects 0.000 description 1
- 229910012820 LiCoO Inorganic materials 0.000 description 1
- 229910032387 LiCoO2 Inorganic materials 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- KFDQGLPGKXUTMZ-UHFFFAOYSA-N [Mn].[Co].[Ni] Chemical compound [Mn].[Co].[Ni] KFDQGLPGKXUTMZ-UHFFFAOYSA-N 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010450 olivine Substances 0.000 description 1
- 229910052609 olivine Inorganic materials 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- 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
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/84—Recycling of batteries or fuel cells
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WO2021102842A1 (zh) * | 2019-11-28 | 2021-06-03 | 宁德时代新能源科技股份有限公司 | 一种以退役磷酸铁锂电池为原料生产磷酸铁锂前驱体的方法 |
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CN106997973A (zh) * | 2017-05-12 | 2017-08-01 | 湖南省正源储能材料与器件研究所 | 一种从废旧磷酸铁锂正极料中制备磷酸铁和锂的磷酸盐的方法 |
WO2018209164A1 (en) * | 2017-05-11 | 2018-11-15 | Worcester Polytechnic Institute | Method and apparatus for recycling lithium iron phosphate batteries |
CN108923090A (zh) * | 2018-05-29 | 2018-11-30 | 深圳市德方纳米科技股份有限公司 | 一种从废旧磷酸铁锂电池回收制备碳包覆的磷酸锰铁锂正极材料的方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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WO2018209164A1 (en) * | 2017-05-11 | 2018-11-15 | Worcester Polytechnic Institute | Method and apparatus for recycling lithium iron phosphate batteries |
CN106997973A (zh) * | 2017-05-12 | 2017-08-01 | 湖南省正源储能材料与器件研究所 | 一种从废旧磷酸铁锂正极料中制备磷酸铁和锂的磷酸盐的方法 |
CN108923090A (zh) * | 2018-05-29 | 2018-11-30 | 深圳市德方纳米科技股份有限公司 | 一种从废旧磷酸铁锂电池回收制备碳包覆的磷酸锰铁锂正极材料的方法 |
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Application publication date: 20190528 Assignee: Nanjing Institute of Engineering Technical Service Co.,Ltd. Assignor: NANJING INSTITUTE OF TECHNOLOGY Contract record no.: X2023980035197 Denomination of invention: A Method for Reusing and Repairing Modified LiFePO4 Cathode Scrap Granted publication date: 20210810 License type: Common License Record date: 20230506 |
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