CN115432681A - 一种废旧磷酸铁锂电池正极材料再生工艺 - Google Patents
一种废旧磷酸铁锂电池正极材料再生工艺 Download PDFInfo
- Publication number
- CN115432681A CN115432681A CN202210945262.XA CN202210945262A CN115432681A CN 115432681 A CN115432681 A CN 115432681A CN 202210945262 A CN202210945262 A CN 202210945262A CN 115432681 A CN115432681 A CN 115432681A
- Authority
- CN
- China
- Prior art keywords
- iron phosphate
- lithium
- solution
- iron
- positive electrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 37
- 230000008569 process Effects 0.000 title claims abstract description 30
- 239000002699 waste material Substances 0.000 title claims abstract description 27
- 230000008929 regeneration Effects 0.000 title claims abstract description 20
- 238000011069 regeneration method Methods 0.000 title claims abstract description 20
- 239000007774 positive electrode material Substances 0.000 title claims abstract description 17
- 239000000243 solution Substances 0.000 claims abstract description 47
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 claims abstract description 46
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 36
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 25
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 claims abstract description 25
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 25
- PANJMBIFGCKWBY-UHFFFAOYSA-N iron tricyanide Chemical compound N#C[Fe](C#N)C#N PANJMBIFGCKWBY-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000000843 powder Substances 0.000 claims abstract description 18
- 229910000398 iron phosphate Inorganic materials 0.000 claims abstract description 16
- 239000002244 precipitate Substances 0.000 claims abstract description 13
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000011574 phosphorus Substances 0.000 claims abstract description 9
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 9
- 239000003960 organic solvent Substances 0.000 claims abstract description 8
- 238000001556 precipitation Methods 0.000 claims abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 7
- YAGKRVSRTSUGEY-UHFFFAOYSA-N ferricyanide Chemical compound [Fe+3].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] YAGKRVSRTSUGEY-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052751 metal Inorganic materials 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims abstract description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims abstract description 4
- 230000001172 regenerating effect Effects 0.000 claims abstract description 4
- 239000012670 alkaline solution Substances 0.000 claims abstract description 3
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000011888 foil Substances 0.000 claims abstract description 3
- 239000000047 product Substances 0.000 claims description 25
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 24
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 16
- 238000001914 filtration Methods 0.000 claims description 16
- 230000029087 digestion Effects 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 10
- 239000005955 Ferric phosphate Substances 0.000 claims description 9
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 9
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 9
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 9
- 229940032958 ferric phosphate Drugs 0.000 claims description 9
- 239000012535 impurity Substances 0.000 claims description 9
- 229910000399 iron(III) phosphate Inorganic materials 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 9
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 8
- 238000002386 leaching Methods 0.000 claims description 8
- 239000012716 precipitator Substances 0.000 claims description 8
- 239000013225 prussian blue Substances 0.000 claims description 8
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 claims description 8
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 6
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 6
- DCYOBGZUOMKFPA-UHFFFAOYSA-N iron(2+);iron(3+);octadecacyanide Chemical compound [Fe+2].[Fe+2].[Fe+2].[Fe+3].[Fe+3].[Fe+3].[Fe+3].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] DCYOBGZUOMKFPA-UHFFFAOYSA-N 0.000 claims description 6
- 150000007522 mineralic acids Chemical class 0.000 claims description 6
- 229960003351 prussian blue Drugs 0.000 claims description 6
- 150000007529 inorganic bases Chemical class 0.000 claims description 5
- 239000012266 salt solution Substances 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- RGHNJXZEOKUKBD-SQOUGZDYSA-N D-gluconic acid Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-SQOUGZDYSA-N 0.000 claims description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 4
- 229960004887 ferric hydroxide Drugs 0.000 claims description 4
- 150000002222 fluorine compounds Chemical class 0.000 claims description 4
- IEECXTSVVFWGSE-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Fe+3] IEECXTSVVFWGSE-UHFFFAOYSA-M 0.000 claims description 4
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 claims description 4
- -1 potassium ferricyanide Chemical compound 0.000 claims description 4
- 239000011775 sodium fluoride Substances 0.000 claims description 4
- 235000013024 sodium fluoride Nutrition 0.000 claims description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 3
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 claims description 3
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 3
- 235000006408 oxalic acid Nutrition 0.000 claims description 3
- 239000000264 sodium ferrocyanide Substances 0.000 claims description 3
- GTSHREYGKSITGK-UHFFFAOYSA-N sodium ferrocyanide Chemical compound [Na+].[Na+].[Na+].[Na+].[Fe+2].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] GTSHREYGKSITGK-UHFFFAOYSA-N 0.000 claims description 3
- 235000012247 sodium ferrocyanide Nutrition 0.000 claims description 3
- DCXPBOFGQPCWJY-UHFFFAOYSA-N trisodium;iron(3+);hexacyanide Chemical compound [Na+].[Na+].[Na+].[Fe+3].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] DCXPBOFGQPCWJY-UHFFFAOYSA-N 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims description 2
- RGHNJXZEOKUKBD-UHFFFAOYSA-N D-gluconic acid Natural products OCC(O)C(O)C(O)C(O)C(O)=O RGHNJXZEOKUKBD-UHFFFAOYSA-N 0.000 claims description 2
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 2
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 2
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 2
- 230000032683 aging Effects 0.000 claims description 2
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims description 2
- 239000010406 cathode material Substances 0.000 claims description 2
- 235000015165 citric acid Nutrition 0.000 claims description 2
- 239000000174 gluconic acid Substances 0.000 claims description 2
- 235000012208 gluconic acid Nutrition 0.000 claims description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N hexane Substances CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 2
- 229910000040 hydrogen fluoride Inorganic materials 0.000 claims description 2
- 235000014413 iron hydroxide Nutrition 0.000 claims description 2
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 claims description 2
- 229910000360 iron(III) sulfate Inorganic materials 0.000 claims description 2
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 claims description 2
- 229910017604 nitric acid Inorganic materials 0.000 claims description 2
- 239000003208 petroleum Substances 0.000 claims description 2
- 239000000276 potassium ferrocyanide Substances 0.000 claims description 2
- 238000000197 pyrolysis Methods 0.000 claims description 2
- 239000000725 suspension Substances 0.000 claims description 2
- 239000011975 tartaric acid Substances 0.000 claims description 2
- 235000002906 tartaric acid Nutrition 0.000 claims description 2
- XOGGUFAVLNCTRS-UHFFFAOYSA-N tetrapotassium;iron(2+);hexacyanide Chemical compound [K+].[K+].[K+].[K+].[Fe+2].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] XOGGUFAVLNCTRS-UHFFFAOYSA-N 0.000 claims description 2
- 238000005292 vacuum distillation Methods 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 abstract description 8
- 238000004064 recycling Methods 0.000 abstract description 5
- 238000000120 microwave digestion Methods 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 abstract description 2
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 9
- 238000011084 recovery Methods 0.000 description 9
- 239000007787 solid Substances 0.000 description 8
- 229910001386 lithium phosphate Inorganic materials 0.000 description 7
- 235000011121 sodium hydroxide Nutrition 0.000 description 7
- TWQULNDIKKJZPH-UHFFFAOYSA-K trilithium;phosphate Chemical compound [Li+].[Li+].[Li+].[O-]P([O-])([O-])=O TWQULNDIKKJZPH-UHFFFAOYSA-K 0.000 description 7
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 6
- 229910052808 lithium carbonate Inorganic materials 0.000 description 6
- 239000010405 anode material Substances 0.000 description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- QSNQXZYQEIKDPU-UHFFFAOYSA-N [Li].[Fe] Chemical compound [Li].[Fe] QSNQXZYQEIKDPU-UHFFFAOYSA-N 0.000 description 4
- 239000011575 calcium Substances 0.000 description 4
- 229910052791 calcium Inorganic materials 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 4
- 229910052749 magnesium Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 229910013290 LiNiO 2 Inorganic materials 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 159000000007 calcium salts Chemical class 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 230000002431 foraging effect Effects 0.000 description 2
- 229910003002 lithium salt Inorganic materials 0.000 description 2
- 159000000002 lithium salts Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000012452 mother liquor Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 235000021110 pickles Nutrition 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 1
- 229910010707 LiFePO 4 Inorganic materials 0.000 description 1
- 229910015645 LiMn Inorganic materials 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 1
- 235000011010 calcium phosphates Nutrition 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 238000010668 complexation reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000001698 pyrogenic effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/37—Phosphates of heavy metals
- C01B25/375—Phosphates of heavy metals of iron
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C3/00—Cyanogen; Compounds thereof
- C01C3/08—Simple or complex cyanides of metals
- C01C3/12—Simple or complex iron cyanides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D15/00—Lithium compounds
- C01D15/04—Halides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/02—Oxides; Hydroxides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B26/00—Obtaining alkali, alkaline earth metals or magnesium
- C22B26/10—Obtaining alkali metals
- C22B26/12—Obtaining lithium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/006—Wet processes
- C22B7/007—Wet processes by acid leaching
-
- 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
- H01M10/54—Reclaiming serviceable parts of waste accumulators
-
- 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
-
- 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
- C01P2006/82—Compositional purity water content
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Toxicology (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
Description
Li | Mg | SiO<sub>2</sub> | Fe<sub>2</sub>O<sub>3</sub> | SO<sub>4</sub><sup>2-</sup> | Ca | H<sub>2</sub>O | |
实施例1 | 98.5 | 0.02 | 0.13 | 0.01 | 0.09 | 0.02 | 0.11 |
实施例2 | 98.2 | 0.01 | 0.11 | 0.05 | 0.35 | 0.02 | 0.12 |
市售氟化锂 | 98.5 | 0.06 | 0.15 | 0.05 | 0.30 | 0.11 | 0.09 |
产品标准 | 98.0 | 0.08 | 0.20 | 0.08 | 0.40 | 0.15 | 0.20 |
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210945262.XA CN115432681B (zh) | 2022-08-08 | 2022-08-08 | 一种废旧磷酸铁锂电池正极材料再生工艺 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210945262.XA CN115432681B (zh) | 2022-08-08 | 2022-08-08 | 一种废旧磷酸铁锂电池正极材料再生工艺 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN115432681A true CN115432681A (zh) | 2022-12-06 |
CN115432681B CN115432681B (zh) | 2023-08-15 |
Family
ID=84242033
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202210945262.XA Active CN115432681B (zh) | 2022-08-08 | 2022-08-08 | 一种废旧磷酸铁锂电池正极材料再生工艺 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN115432681B (zh) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115939450A (zh) * | 2022-12-20 | 2023-04-07 | 河南科技大学 | 一种铝-铁氰化钾节能电池循环装置 |
CN116101991A (zh) * | 2022-12-28 | 2023-05-12 | 合肥国轩循环科技有限公司 | 一种由磷酸锂制备磷酸铁的方法 |
CN116462232A (zh) * | 2023-05-22 | 2023-07-21 | 甘肃睿思科新材料有限公司 | 从磷酸铁锂选择性提锂过程产生的磷酸铁废渣中回收磷、铁的方法 |
CN116837216A (zh) * | 2023-09-01 | 2023-10-03 | 北京怀柔北珂新能源科技有限公司 | 一种锂离子电池回收正极粉料的除杂方法 |
CN117534089A (zh) * | 2024-01-09 | 2024-02-09 | 太原理工大学 | 一种无添加剂制备高结晶Fe[Fe(CN)6]电极材料的方法及其应用 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113501510A (zh) * | 2021-07-13 | 2021-10-15 | 郑州中科新兴产业技术研究院 | 一种废旧磷酸铁锂电池正极材料的回收再生方法 |
US20210391605A1 (en) * | 2018-10-26 | 2021-12-16 | National University Of Singapore | A lithium ion battery materials recycling method |
CN215711795U (zh) * | 2021-08-17 | 2022-02-01 | 湖南国昶能源科技有限公司 | 一种废旧磷酸铁锂回收处理装置 |
CN114084877A (zh) * | 2021-10-26 | 2022-02-25 | 长沙理工大学 | 从废旧磷酸铁锂极片材料中获取超纯磷酸铁的方法以及获取的超纯磷酸铁 |
CN114180546A (zh) * | 2021-12-30 | 2022-03-15 | 江西赣锋循环科技有限公司 | 一种含钛磷酸铁锂废料制备无水磷酸铁的方法 |
CN114188626A (zh) * | 2021-11-05 | 2022-03-15 | 华中科技大学 | 一种综合分离回收退役电池中材料的方法 |
US20220204355A1 (en) * | 2019-11-28 | 2022-06-30 | Contemporary Amperex Technology Co., Limited | Method for producing lithium iron phosphate precursor by using retired lithium iron phosphate battery as raw material |
-
2022
- 2022-08-08 CN CN202210945262.XA patent/CN115432681B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20210391605A1 (en) * | 2018-10-26 | 2021-12-16 | National University Of Singapore | A lithium ion battery materials recycling method |
US20220204355A1 (en) * | 2019-11-28 | 2022-06-30 | Contemporary Amperex Technology Co., Limited | Method for producing lithium iron phosphate precursor by using retired lithium iron phosphate battery as raw material |
CN113501510A (zh) * | 2021-07-13 | 2021-10-15 | 郑州中科新兴产业技术研究院 | 一种废旧磷酸铁锂电池正极材料的回收再生方法 |
CN215711795U (zh) * | 2021-08-17 | 2022-02-01 | 湖南国昶能源科技有限公司 | 一种废旧磷酸铁锂回收处理装置 |
CN114084877A (zh) * | 2021-10-26 | 2022-02-25 | 长沙理工大学 | 从废旧磷酸铁锂极片材料中获取超纯磷酸铁的方法以及获取的超纯磷酸铁 |
CN114188626A (zh) * | 2021-11-05 | 2022-03-15 | 华中科技大学 | 一种综合分离回收退役电池中材料的方法 |
CN114180546A (zh) * | 2021-12-30 | 2022-03-15 | 江西赣锋循环科技有限公司 | 一种含钛磷酸铁锂废料制备无水磷酸铁的方法 |
Non-Patent Citations (2)
Title |
---|
卢娜丽;张邦胜;刘贵清;张帆;王芳: "废旧磷酸铁锂电池回收技术综述", 中国资源综合利用, vol. 38, no. 02, pages 105 - 109 * |
白有仙: "磷酸铁锂粉料硫酸法提锂工艺研究", 江西化工, no. 02, pages 67 - 68 * |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115939450A (zh) * | 2022-12-20 | 2023-04-07 | 河南科技大学 | 一种铝-铁氰化钾节能电池循环装置 |
CN115939450B (zh) * | 2022-12-20 | 2024-04-12 | 河南科技大学 | 一种铝-铁氰化钾节能电池循环装置 |
CN116101991A (zh) * | 2022-12-28 | 2023-05-12 | 合肥国轩循环科技有限公司 | 一种由磷酸锂制备磷酸铁的方法 |
CN116462232A (zh) * | 2023-05-22 | 2023-07-21 | 甘肃睿思科新材料有限公司 | 从磷酸铁锂选择性提锂过程产生的磷酸铁废渣中回收磷、铁的方法 |
CN116837216A (zh) * | 2023-09-01 | 2023-10-03 | 北京怀柔北珂新能源科技有限公司 | 一种锂离子电池回收正极粉料的除杂方法 |
CN116837216B (zh) * | 2023-09-01 | 2023-11-21 | 北京怀柔北珂新能源科技有限公司 | 一种锂离子电池回收正极粉料的除杂方法 |
CN117534089A (zh) * | 2024-01-09 | 2024-02-09 | 太原理工大学 | 一种无添加剂制备高结晶Fe[Fe(CN)6]电极材料的方法及其应用 |
CN117534089B (zh) * | 2024-01-09 | 2024-04-05 | 太原理工大学 | 一种无添加剂制备高结晶Fe[Fe(CN)6]电极材料的方法及其应用 |
Also Published As
Publication number | Publication date |
---|---|
CN115432681B (zh) | 2023-08-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN115432681B (zh) | 一种废旧磷酸铁锂电池正极材料再生工艺 | |
CN113912032B (zh) | 一种从废旧磷酸铁锂电池正极粉中回收制备电池级碳酸锂和磷酸铁的方法 | |
CN106929664B (zh) | 一种从废旧三元锂离子电池中回收锂的方法 | |
CN110343864B (zh) | 微波焙烧辅助回收废旧电极材料中锂和钴的方法 | |
CN113061723A (zh) | 一种从废旧磷酸铁锂电池中回收锂并制备磷酸铁的方法 | |
CN109179359A (zh) | 一种从磷酸铁锂废料中提取锂和磷酸铁的方法 | |
CN109167118B (zh) | 磷酸铁锂电池电极材料的综合利用方法 | |
CN113321194A (zh) | 一种废旧磷酸铁锂粉末提锂后磷铁渣的回收方法 | |
CN113437378A (zh) | 一种废旧电池正负极回收及其再利用的方法 | |
CN112174106A (zh) | 一种电池级磷酸铁及其制备方法 | |
CN114597399A (zh) | 一种磷酸钒铁钠材料的制备方法及其应用 | |
CN114317968A (zh) | 废旧磷酸铁锂电池的回收利用方法及其应用 | |
CN113816353A (zh) | 一种铁铝共沉淀去除废旧磷酸铁锂电池酸浸出液中铝的方法 | |
CN112310499B (zh) | 一种废旧磷酸铁锂材料的回收方法、及得到的回收液 | |
CN114249313A (zh) | 一种从废磷酸铁锂粉末中回收电池级磷酸铁的方法 | |
CN114715922A (zh) | 一种回收锂离子电池电解液的方法 | |
CN115784188A (zh) | 回收制备电池级磷酸铁的方法 | |
CN114725557A (zh) | 一种磷酸铁锂废料的回收复用方法 | |
CN115709977A (zh) | 一种退役磷酸铁锂极粉的预处理方法 | |
CN115947323A (zh) | 废旧磷酸铁锂提锂及制备磷酸铁的方法 | |
CN115611251B (zh) | 一种废磷酸铁锂正极材料提锂渣再生磷酸铁的方法 | |
CN111908438B (zh) | 一种废旧锂离子电池电解液的处理方法 | |
CN116534905B (zh) | 利用磷酸铁锂选择性提锂后产生的含碳粗磷酸铁回收废旧钴酸锂中有价金属的方法 | |
CN115520909B (zh) | 一种三元正极材料的回收方法 | |
CN110304666B (zh) | 一种从废旧锂离子电池正极材料中回收有价元素的方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240516 Address after: 242300 intersection of Dongcheng Avenue and Dongcheng Road, heli Park, Ningguo Economic and Technological Development Zone, Ningguo City, Xuancheng City, Anhui Province Patentee after: Anhui Boshike Environmental Protection Technology Co.,Ltd. Country or region after: China Patentee after: Guangxi Boshike Environmental Technology Co.,Ltd. Address before: 530000 No. 101, Gao'an Road, high tech Zone, Nanning, Guangxi Zhuang Autonomous Region Patentee before: GUANGXI BOSSCO ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Country or region before: China |
|
TR01 | Transfer of patent right |