CN108557905B - 一种富锂锰基材料前驱体及其制备方法、富锂锰基正极材料及其制备方法、锂电池 - Google Patents
一种富锂锰基材料前驱体及其制备方法、富锂锰基正极材料及其制备方法、锂电池 Download PDFInfo
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- CN108557905B CN108557905B CN201810368614.3A CN201810368614A CN108557905B CN 108557905 B CN108557905 B CN 108557905B CN 201810368614 A CN201810368614 A CN 201810368614A CN 108557905 B CN108557905 B CN 108557905B
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- lithium
- rich manganese
- precursor
- carbonate
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 179
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 179
- 239000011572 manganese Substances 0.000 title claims abstract description 165
- 229910052748 manganese Inorganic materials 0.000 title claims abstract description 154
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 title claims abstract description 145
- 239000002243 precursor Substances 0.000 title claims abstract description 114
- 239000000463 material Substances 0.000 title claims abstract description 75
- 239000007774 positive electrode material Substances 0.000 title claims abstract description 39
- 238000002360 preparation method Methods 0.000 title claims abstract description 29
- 239000013078 crystal Substances 0.000 claims abstract description 93
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims abstract description 88
- 239000002245 particle Substances 0.000 claims abstract description 54
- 238000006243 chemical reaction Methods 0.000 claims description 60
- 238000000034 method Methods 0.000 claims description 43
- 239000012266 salt solution Substances 0.000 claims description 43
- 239000000654 additive Substances 0.000 claims description 39
- 230000000996 additive effect Effects 0.000 claims description 37
- 239000008139 complexing agent Substances 0.000 claims description 26
- 238000000975 co-precipitation Methods 0.000 claims description 23
- 238000002156 mixing Methods 0.000 claims description 23
- 239000010406 cathode material Substances 0.000 claims description 22
- 239000012716 precipitator Substances 0.000 claims description 22
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 21
- 229910052782 aluminium Inorganic materials 0.000 claims description 21
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 21
- 229910021645 metal ion Inorganic materials 0.000 claims description 21
- 238000003756 stirring Methods 0.000 claims description 21
- 229910052726 zirconium Inorganic materials 0.000 claims description 13
- 229910052749 magnesium Inorganic materials 0.000 claims description 12
- 229910052712 strontium Inorganic materials 0.000 claims description 12
- 229910052727 yttrium Inorganic materials 0.000 claims description 12
- 229910052791 calcium Inorganic materials 0.000 claims description 11
- 229910052710 silicon Inorganic materials 0.000 claims description 11
- 230000032683 aging Effects 0.000 claims description 9
- 229910052796 boron Inorganic materials 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 239000000243 solution Substances 0.000 claims description 7
- 239000007864 aqueous solution Substances 0.000 claims description 6
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 6
- 239000002244 precipitate Substances 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 239000000376 reactant Substances 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 3
- 239000010405 anode material Substances 0.000 abstract description 30
- 238000002425 crystallisation Methods 0.000 abstract description 8
- 238000005056 compaction Methods 0.000 abstract description 7
- 230000008025 crystallization Effects 0.000 abstract description 7
- 230000002401 inhibitory effect Effects 0.000 abstract description 2
- 238000005245 sintering Methods 0.000 description 45
- 239000000203 mixture Substances 0.000 description 29
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 26
- 229910052808 lithium carbonate Inorganic materials 0.000 description 22
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 20
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 19
- 230000008569 process Effects 0.000 description 19
- 238000001878 scanning electron micrograph Methods 0.000 description 18
- 230000000052 comparative effect Effects 0.000 description 16
- 238000000498 ball milling Methods 0.000 description 13
- 239000000835 fiber Substances 0.000 description 13
- 239000011163 secondary particle Substances 0.000 description 13
- 229910000029 sodium carbonate Inorganic materials 0.000 description 13
- 235000017550 sodium carbonate Nutrition 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 230000000694 effects Effects 0.000 description 11
- 229910052759 nickel Inorganic materials 0.000 description 11
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 10
- 239000000047 product Substances 0.000 description 10
- 239000008367 deionised water Substances 0.000 description 9
- 229910021641 deionized water Inorganic materials 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 9
- 239000011777 magnesium Substances 0.000 description 9
- 239000000843 powder Substances 0.000 description 9
- 238000005303 weighing Methods 0.000 description 9
- 229910052804 chromium Inorganic materials 0.000 description 8
- 239000011651 chromium Substances 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000007873 sieving Methods 0.000 description 8
- 239000002893 slag Substances 0.000 description 8
- 229910052720 vanadium Inorganic materials 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 7
- 229910052742 iron Inorganic materials 0.000 description 7
- 229910013191 LiMO2 Inorganic materials 0.000 description 6
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 6
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 6
- 238000002441 X-ray diffraction Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 150000001868 cobalt Chemical class 0.000 description 6
- 150000002696 manganese Chemical class 0.000 description 6
- 229910000473 manganese(VI) oxide Inorganic materials 0.000 description 6
- 150000002815 nickel Chemical class 0.000 description 6
- 238000007086 side reaction Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 5
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 description 5
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000012798 spherical particle Substances 0.000 description 5
- 229910000018 strontium carbonate Inorganic materials 0.000 description 5
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminium flouride Chemical compound F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 description 4
- 229910021380 Manganese Chloride Inorganic materials 0.000 description 4
- GLFNIEUTAYBVOC-UHFFFAOYSA-L Manganese chloride Chemical compound Cl[Mn]Cl GLFNIEUTAYBVOC-UHFFFAOYSA-L 0.000 description 4
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 238000005054 agglomeration Methods 0.000 description 4
- 230000002776 aggregation Effects 0.000 description 4
- -1 anion salt Chemical class 0.000 description 4
- 150000001450 anions Chemical class 0.000 description 4
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 230000004927 fusion Effects 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Chemical compound [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 description 4
- 239000011565 manganese chloride Substances 0.000 description 4
- 235000002867 manganese chloride Nutrition 0.000 description 4
- 229940099607 manganese chloride Drugs 0.000 description 4
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 4
- 230000002572 peristaltic effect Effects 0.000 description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 4
- 229910008514 Li1.2Mn0.54Ni0.13Co0.13O2 Inorganic materials 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 150000007514 bases Chemical class 0.000 description 3
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 3
- 239000006258 conductive agent Substances 0.000 description 3
- 230000001351 cycling effect Effects 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 229910000357 manganese(II) sulfate Inorganic materials 0.000 description 3
- 239000011164 primary particle Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- LEDMRZGFZIAGGB-UHFFFAOYSA-L strontium carbonate Chemical compound [Sr+2].[O-]C([O-])=O LEDMRZGFZIAGGB-UHFFFAOYSA-L 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910001868 water Inorganic materials 0.000 description 3
- OAVRWNUUOUXDFH-UHFFFAOYSA-H 2-hydroxypropane-1,2,3-tricarboxylate;manganese(2+) Chemical compound [Mn+2].[Mn+2].[Mn+2].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O.[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O OAVRWNUUOUXDFH-UHFFFAOYSA-H 0.000 description 2
- UPPLJLAHMKABPR-UHFFFAOYSA-H 2-hydroxypropane-1,2,3-tricarboxylate;nickel(2+) Chemical compound [Ni+2].[Ni+2].[Ni+2].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O.[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O UPPLJLAHMKABPR-UHFFFAOYSA-H 0.000 description 2
- 229910002983 Li2MnO3 Inorganic materials 0.000 description 2
- 229910015009 LiNiCoMnO2 Inorganic materials 0.000 description 2
- 229910001228 Li[Ni1/3Co1/3Mn1/3]O2 (NCM 111) Inorganic materials 0.000 description 2
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 2
- 229910009440 Y2(CO3)3 Inorganic materials 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- MQRWBMAEBQOWAF-UHFFFAOYSA-N acetic acid;nickel Chemical compound [Ni].CC(O)=O.CC(O)=O MQRWBMAEBQOWAF-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 2
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 2
- JLDSOYXADOWAKB-UHFFFAOYSA-N aluminium nitrate Chemical compound [Al+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O JLDSOYXADOWAKB-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 2
- 229910001634 calcium fluoride Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- 229940011182 cobalt acetate Drugs 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical compound [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 description 2
- 229910001981 cobalt nitrate Inorganic materials 0.000 description 2
- 229910000361 cobalt sulfate Inorganic materials 0.000 description 2
- 229940044175 cobalt sulfate Drugs 0.000 description 2
- MULYSYXKGICWJF-UHFFFAOYSA-L cobalt(2+);oxalate Chemical compound [Co+2].[O-]C(=O)C([O-])=O MULYSYXKGICWJF-UHFFFAOYSA-L 0.000 description 2
- SCNCIXKLOBXDQB-UHFFFAOYSA-K cobalt(3+);2-hydroxypropane-1,2,3-tricarboxylate Chemical compound [Co+3].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O SCNCIXKLOBXDQB-UHFFFAOYSA-K 0.000 description 2
- QAHREYKOYSIQPH-UHFFFAOYSA-L cobalt(II) acetate Chemical compound [Co+2].CC([O-])=O.CC([O-])=O QAHREYKOYSIQPH-UHFFFAOYSA-L 0.000 description 2
- 229910052681 coesite Inorganic materials 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229910001679 gibbsite Inorganic materials 0.000 description 2
- 238000009775 high-speed stirring Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- XIXADJRWDQXREU-UHFFFAOYSA-M lithium acetate Chemical compound [Li+].CC([O-])=O XIXADJRWDQXREU-UHFFFAOYSA-M 0.000 description 2
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 2
- 229910001947 lithium oxide Inorganic materials 0.000 description 2
- 229910003002 lithium salt Inorganic materials 0.000 description 2
- 159000000002 lithium salts Chemical class 0.000 description 2
- 239000001095 magnesium carbonate Substances 0.000 description 2
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 2
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 2
- 239000000347 magnesium hydroxide Substances 0.000 description 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 2
- 229940071125 manganese acetate Drugs 0.000 description 2
- 239000011564 manganese citrate Substances 0.000 description 2
- 235000014872 manganese citrate Nutrition 0.000 description 2
- 229940097206 manganese citrate Drugs 0.000 description 2
- 229940099596 manganese sulfate Drugs 0.000 description 2
- 239000011702 manganese sulphate Substances 0.000 description 2
- 235000007079 manganese sulphate Nutrition 0.000 description 2
- UOGMEBQRZBEZQT-UHFFFAOYSA-L manganese(2+);diacetate Chemical compound [Mn+2].CC([O-])=O.CC([O-])=O UOGMEBQRZBEZQT-UHFFFAOYSA-L 0.000 description 2
- MIVBAHRSNUNMPP-UHFFFAOYSA-N manganese(2+);dinitrate Chemical compound [Mn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MIVBAHRSNUNMPP-UHFFFAOYSA-N 0.000 description 2
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 2
- RGVLTEMOWXGQOS-UHFFFAOYSA-L manganese(2+);oxalate Chemical compound [Mn+2].[O-]C(=O)C([O-])=O RGVLTEMOWXGQOS-UHFFFAOYSA-L 0.000 description 2
- 239000013081 microcrystal Substances 0.000 description 2
- 229940078494 nickel acetate Drugs 0.000 description 2
- DOLZKNFSRCEOFV-UHFFFAOYSA-L nickel(2+);oxalate Chemical compound [Ni+2].[O-]C(=O)C([O-])=O DOLZKNFSRCEOFV-UHFFFAOYSA-L 0.000 description 2
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 description 2
- 230000006911 nucleation Effects 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 239000011736 potassium bicarbonate Substances 0.000 description 2
- 235000015497 potassium bicarbonate Nutrition 0.000 description 2
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 2
- 229910000027 potassium carbonate Inorganic materials 0.000 description 2
- 235000011181 potassium carbonates Nutrition 0.000 description 2
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- WPFGFHJALYCVMO-UHFFFAOYSA-L rubidium carbonate Chemical compound [Rb+].[Rb+].[O-]C([O-])=O WPFGFHJALYCVMO-UHFFFAOYSA-L 0.000 description 2
- 229910000026 rubidium carbonate Inorganic materials 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- 238000000967 suction filtration Methods 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 description 2
- OERNJTNJEZOPIA-UHFFFAOYSA-N zirconium nitrate Inorganic materials [Zr+4].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O OERNJTNJEZOPIA-UHFFFAOYSA-N 0.000 description 2
- LBVWQMVSUSYKGQ-UHFFFAOYSA-J zirconium(4+) tetranitrite Chemical compound [Zr+4].[O-]N=O.[O-]N=O.[O-]N=O.[O-]N=O LBVWQMVSUSYKGQ-UHFFFAOYSA-J 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229910001290 LiPF6 Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910017225 MnxCoy Inorganic materials 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- SOXUFMZTHZXOGC-UHFFFAOYSA-N [Li].[Mn].[Co].[Ni] Chemical compound [Li].[Mn].[Co].[Ni] SOXUFMZTHZXOGC-UHFFFAOYSA-N 0.000 description 1
- 238000001994 activation Methods 0.000 description 1
- 230000004931 aggregating effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 229910052810 boron oxide Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
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- 230000007613 environmental effect Effects 0.000 description 1
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- 239000007789 gas Substances 0.000 description 1
- BDAGIHXWWSANSR-NJFSPNSNSA-N hydroxyformaldehyde Chemical compound O[14CH]=O BDAGIHXWWSANSR-NJFSPNSNSA-N 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000010298 pulverizing process Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000010532 solid phase synthesis reaction Methods 0.000 description 1
- 230000007847 structural defect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
Images
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
-
- 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
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- H—ELECTRICITY
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KR102644802B1 (ko) * | 2019-08-08 | 2024-03-08 | 주식회사 엘지에너지솔루션 | 이차전지용 양극 활물질의 제조방법 |
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CN111640936B (zh) * | 2020-04-18 | 2021-10-22 | 浙江金鹰新能源技术开发有限公司 | 一种富锂锰基正极材料及其制备方法、锂离子电池 |
CN111540890A (zh) * | 2020-05-09 | 2020-08-14 | 宁夏中化锂电池材料有限公司 | 镍钴锰酸锂三元正极材料及其制备方法 |
CN114573044B (zh) * | 2022-02-17 | 2024-03-26 | 桂林电子科技大学 | 一种类葡萄状富锂锰基阴极材料及其制作的锂离子电池 |
CN115124089B (zh) * | 2022-06-10 | 2024-07-09 | 北京当升材料科技股份有限公司 | 富锰前驱体材料和富锂锰基正极材料及其制备方法、锂离子电池 |
CN115395007A (zh) * | 2022-10-11 | 2022-11-25 | 国联汽车动力电池研究院有限责任公司 | 一种层状-尖晶石复合相单晶富锂锰基正极材料及其应用 |
CN115959709A (zh) * | 2022-10-27 | 2023-04-14 | 广西中伟新能源科技有限公司 | 高掺铝碳酸锰及其制备方法、锂离子电池正极材料、锂离子电池和涉电设备 |
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