CN101908624B - 二次锂电池正极材料及其制备方法 - Google Patents
二次锂电池正极材料及其制备方法 Download PDFInfo
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- CN101908624B CN101908624B CN200910052431A CN200910052431A CN101908624B CN 101908624 B CN101908624 B CN 101908624B CN 200910052431 A CN200910052431 A CN 200910052431A CN 200910052431 A CN200910052431 A CN 200910052431A CN 101908624 B CN101908624 B CN 101908624B
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- lithium battery
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- 239000000463 material Substances 0.000 title claims abstract description 68
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 51
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical group [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 238000002360 preparation method Methods 0.000 title claims abstract description 35
- 239000002131 composite material Substances 0.000 claims abstract description 39
- 239000011164 primary particle Substances 0.000 claims abstract description 36
- 150000001875 compounds Chemical class 0.000 claims abstract description 8
- 239000000243 solution Substances 0.000 claims description 108
- 239000002243 precursor Substances 0.000 claims description 92
- 239000000203 mixture Substances 0.000 claims description 71
- 238000000034 method Methods 0.000 claims description 43
- 238000006243 chemical reaction Methods 0.000 claims description 37
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 36
- 229910052751 metal Inorganic materials 0.000 claims description 30
- 239000002184 metal Substances 0.000 claims description 30
- 239000012266 salt solution Substances 0.000 claims description 30
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 27
- 239000003513 alkali Substances 0.000 claims description 27
- 239000000376 reactant Substances 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical group [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 22
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 20
- 229910001416 lithium ion Inorganic materials 0.000 claims description 18
- 239000012298 atmosphere Substances 0.000 claims description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 16
- 229910052760 oxygen Inorganic materials 0.000 claims description 16
- 239000001301 oxygen Substances 0.000 claims description 16
- 229910052719 titanium Inorganic materials 0.000 claims description 15
- 229910052782 aluminium Inorganic materials 0.000 claims description 13
- 229910052748 manganese Inorganic materials 0.000 claims description 12
- 229910052759 nickel Inorganic materials 0.000 claims description 12
- 229910003002 lithium salt Inorganic materials 0.000 claims description 11
- 159000000002 lithium salts Chemical class 0.000 claims description 11
- 229910052749 magnesium Inorganic materials 0.000 claims description 11
- 150000003839 salts Chemical class 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 9
- 229910052726 zirconium Inorganic materials 0.000 claims description 9
- 239000007864 aqueous solution Substances 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 8
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims description 8
- 230000035484 reaction time Effects 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- 229910052720 vanadium Inorganic materials 0.000 claims description 8
- -1 perhaps Inorganic materials 0.000 claims description 7
- 238000001556 precipitation Methods 0.000 claims description 7
- 238000005245 sintering Methods 0.000 claims description 7
- 229910012752 LiNi0.5Mn0.5O2 Inorganic materials 0.000 claims description 6
- 229910015872 LiNi0.8Co0.1Mn0.1O2 Inorganic materials 0.000 claims description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 6
- 239000011259 mixed solution Substances 0.000 claims description 6
- 229910013716 LiNi Inorganic materials 0.000 claims description 5
- 150000001450 anions Chemical class 0.000 claims description 4
- 229910052791 calcium Inorganic materials 0.000 claims description 4
- IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Chemical compound [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 229910052708 sodium Inorganic materials 0.000 claims description 4
- 229910052712 strontium Inorganic materials 0.000 claims description 4
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims description 3
- 229910052808 lithium carbonate Inorganic materials 0.000 claims description 3
- 229910001428 transition metal ion Inorganic materials 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 229910002651 NO3 Inorganic materials 0.000 claims description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 2
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-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
- 229910052783 alkali metal Inorganic materials 0.000 claims description 2
- 229910052731 fluorine Inorganic materials 0.000 claims description 2
- 230000007935 neutral effect Effects 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 229910052717 sulfur Inorganic materials 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 7
- 238000009938 salting Methods 0.000 claims 7
- 238000010276 construction Methods 0.000 claims 2
- 230000029087 digestion Effects 0.000 claims 2
- 238000001914 filtration Methods 0.000 claims 2
- 150000002739 metals Chemical class 0.000 claims 2
- 239000000047 product Substances 0.000 claims 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims 1
- 125000002091 cationic group Chemical group 0.000 claims 1
- 238000000975 co-precipitation Methods 0.000 claims 1
- 238000001816 cooling Methods 0.000 claims 1
- 239000012467 final product Substances 0.000 claims 1
- 238000012423 maintenance Methods 0.000 claims 1
- 239000011780 sodium chloride Substances 0.000 claims 1
- 239000007774 positive electrode material Substances 0.000 abstract description 82
- 239000010406 cathode material Substances 0.000 abstract description 19
- 230000008901 benefit Effects 0.000 abstract description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 88
- 239000011572 manganese Substances 0.000 description 55
- 238000010438 heat treatment Methods 0.000 description 29
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 29
- 229910052723 transition metal Inorganic materials 0.000 description 26
- 150000003624 transition metals Chemical class 0.000 description 26
- 230000000052 comparative effect Effects 0.000 description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 24
- 238000003756 stirring Methods 0.000 description 22
- 230000008569 process Effects 0.000 description 19
- 239000013078 crystal Substances 0.000 description 18
- 230000000694 effects Effects 0.000 description 17
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 16
- 238000001479 atomic absorption spectroscopy Methods 0.000 description 13
- 238000007599 discharging Methods 0.000 description 12
- 239000011777 magnesium Substances 0.000 description 12
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 11
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 11
- 235000011114 ammonium hydroxide Nutrition 0.000 description 11
- 239000011163 secondary particle Substances 0.000 description 11
- 238000005054 agglomeration Methods 0.000 description 10
- 230000002776 aggregation Effects 0.000 description 10
- 229940099596 manganese sulfate Drugs 0.000 description 10
- 235000007079 manganese sulphate Nutrition 0.000 description 10
- 239000011702 manganese sulphate Substances 0.000 description 10
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 description 10
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 description 10
- 229940053662 nickel sulfate Drugs 0.000 description 10
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 description 10
- 238000002441 X-ray diffraction Methods 0.000 description 9
- 229910001171 0.5LiNi0.5Mn0.5O2 Inorganic materials 0.000 description 8
- 229910021529 ammonia Inorganic materials 0.000 description 8
- 239000012267 brine Substances 0.000 description 8
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 8
- 239000012299 nitrogen atmosphere Substances 0.000 description 8
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 8
- 239000007787 solid Substances 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- VNTQORJESGFLAZ-UHFFFAOYSA-H cobalt(2+) manganese(2+) nickel(2+) trisulfate Chemical compound [Mn++].[Co++].[Ni++].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O VNTQORJESGFLAZ-UHFFFAOYSA-H 0.000 description 6
- PQVSTLUFSYVLTO-UHFFFAOYSA-N ethyl n-ethoxycarbonylcarbamate Chemical compound CCOC(=O)NC(=O)OCC PQVSTLUFSYVLTO-UHFFFAOYSA-N 0.000 description 6
- 230000002427 irreversible effect Effects 0.000 description 6
- GLXDVVHUTZTUQK-UHFFFAOYSA-M lithium hydroxide monohydrate Substances [Li+].O.[OH-] GLXDVVHUTZTUQK-UHFFFAOYSA-M 0.000 description 6
- 229940040692 lithium hydroxide monohydrate Drugs 0.000 description 6
- 238000011056 performance test Methods 0.000 description 6
- 230000002441 reversible effect Effects 0.000 description 6
- 229910000361 cobalt sulfate Inorganic materials 0.000 description 5
- 229940044175 cobalt sulfate Drugs 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
- 229910017223 Ni0.8Co0.1Mn0.1(OH)2 Inorganic materials 0.000 description 4
- PMSHDIDZIMFTLH-UHFFFAOYSA-J S(=O)(=O)([O-])[O-].[Mn+2].S(=O)(=O)([O-])[O-].[Ni+2] Chemical compound S(=O)(=O)([O-])[O-].[Mn+2].S(=O)(=O)([O-])[O-].[Ni+2] PMSHDIDZIMFTLH-UHFFFAOYSA-J 0.000 description 4
- 238000013329 compounding Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 238000010899 nucleation Methods 0.000 description 3
- 230000006911 nucleation Effects 0.000 description 3
- 230000006798 recombination Effects 0.000 description 3
- 238000005215 recombination Methods 0.000 description 3
- 239000011257 shell material Substances 0.000 description 3
- 229910013870 LiPF 6 Inorganic materials 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- 229910016783 Ni0.5Mn0.5(OH)2 Inorganic materials 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 239000006230 acetylene black Substances 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000007707 calorimetry Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000006258 conductive agent Substances 0.000 description 2
- 239000011162 core material Substances 0.000 description 2
- 239000011258 core-shell material Substances 0.000 description 2
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 150000004679 hydroxides Chemical class 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
- RGVLTEMOWXGQOS-UHFFFAOYSA-L manganese(2+);oxalate Chemical compound [Mn+2].[O-]C(=O)C([O-])=O RGVLTEMOWXGQOS-UHFFFAOYSA-L 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000013081 microcrystal Substances 0.000 description 2
- 238000002715 modification method Methods 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
- 239000002245 particle Substances 0.000 description 2
- 238000005191 phase separation Methods 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910018119 Li 3 PO 4 Inorganic materials 0.000 description 1
- 229910005716 Li(Li1/3Mn2/3)O2 Inorganic materials 0.000 description 1
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 1
- 229910013709 LiNi 1-x M Inorganic materials 0.000 description 1
- 229910013825 LiNi0.33Co0.33Mn0.33O2 Inorganic materials 0.000 description 1
- 229910015915 LiNi0.8Co0.2O2 Inorganic materials 0.000 description 1
- 229910016366 Ni0.33Co0.33Mn0.33(OH)2 Inorganic materials 0.000 description 1
- 241000336896 Numata Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- BEDNMLJNVASDSN-UHFFFAOYSA-H [Mn++].[Co++].[Ni++].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O Chemical compound [Mn++].[Co++].[Ni++].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O BEDNMLJNVASDSN-UHFFFAOYSA-H 0.000 description 1
- NMTSIFLLCWEPQK-UHFFFAOYSA-N [Mn++].[Ni++].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O Chemical compound [Mn++].[Ni++].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O NMTSIFLLCWEPQK-UHFFFAOYSA-N 0.000 description 1
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 1
- 150000008041 alkali metal carbonates Chemical class 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical compound [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 description 1
- 229910001981 cobalt nitrate Inorganic materials 0.000 description 1
- VVPNOTYZCXWJCH-UHFFFAOYSA-N cobalt(2+) manganese(2+) nickel(2+) hexanitrate Chemical compound [Mn++].[Co++].[Ni++].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VVPNOTYZCXWJCH-UHFFFAOYSA-N 0.000 description 1
- MULYSYXKGICWJF-UHFFFAOYSA-L cobalt(2+);oxalate Chemical compound [Co+2].[O-]C(=O)C([O-])=O MULYSYXKGICWJF-UHFFFAOYSA-L 0.000 description 1
- 239000011246 composite particle Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007606 doctor blade method Methods 0.000 description 1
- 239000002001 electrolyte material Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 150000007529 inorganic bases Chemical class 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 150000002641 lithium Chemical class 0.000 description 1
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 description 1
- OVAQODDUFGFVPR-UHFFFAOYSA-N lithium cobalt(2+) dioxido(dioxo)manganese Chemical compound [Li+].[Mn](=O)(=O)([O-])[O-].[Co+2] OVAQODDUFGFVPR-UHFFFAOYSA-N 0.000 description 1
- BVPMZCWLVVIHKO-UHFFFAOYSA-N lithium cobalt(2+) manganese(2+) oxygen(2-) Chemical compound [O-2].[Mn+2].[Co+2].[Li+] BVPMZCWLVVIHKO-UHFFFAOYSA-N 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical compound [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 description 1
- URIIGZKXFBNRAU-UHFFFAOYSA-N lithium;oxonickel Chemical class [Li].[Ni]=O URIIGZKXFBNRAU-UHFFFAOYSA-N 0.000 description 1
- HZBQITZDILHHHO-UHFFFAOYSA-H magnesium manganese(2+) nickel(2+) trisulfate Chemical compound S(=O)(=O)([O-])[O-].[Mn+2].[Mg+2].[Ni+2].S(=O)(=O)([O-])[O-].S(=O)(=O)([O-])[O-] HZBQITZDILHHHO-UHFFFAOYSA-H 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 229960003390 magnesium sulfate Drugs 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 229910021382 natural graphite Inorganic materials 0.000 description 1
- BFDHFSHZJLFAMC-UHFFFAOYSA-L nickel(ii) hydroxide Chemical compound [OH-].[OH-].[Ni+2] BFDHFSHZJLFAMC-UHFFFAOYSA-L 0.000 description 1
- 230000010399 physical interaction Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000005373 porous glass Substances 0.000 description 1
- 239000011736 potassium bicarbonate Substances 0.000 description 1
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 1
- 235000015497 potassium bicarbonate Nutrition 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000005070 ripening Effects 0.000 description 1
- 238000011076 safety test Methods 0.000 description 1
- 238000004626 scanning electron microscopy Methods 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
- H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
- C01G53/40—Complex oxides containing nickel and at least one other metal element
- C01G53/42—Complex oxides containing nickel and at least one other metal element containing alkali metals, e.g. LiNiO2
- C01G53/44—Complex oxides containing nickel and at least one other metal element containing alkali metals, e.g. LiNiO2 containing manganese
- C01G53/50—Complex oxides containing nickel and at least one other metal element containing alkali metals, e.g. LiNiO2 containing manganese of the type (MnO2)n-, e.g. Li(NixMn1-x)O2 or Li(MyNixMn1-x-y)O2
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- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
- H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
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Abstract
Description
样品 | 0.1C放电比容量(mAh/g) | 首次库伦效率(%) |
S-1 | 168 | 88 |
S-2 | 172 | 88 |
S-3 | 166 | 85 |
C-1 | 155 | 85 |
C-2 | 155 | 87 |
C-3 | 161 | 87 |
C-4 | 88 | 57 |
样品 | 1C放电比容量(mAh/g) | 5C/1C容量比(%) |
S-1 | 142 | 93 |
S-2 | 157 | 96 |
C-1 | 135 | 92 |
C-2 | 108 | 86 |
C-3 | 146 | 96 |
Claims (22)
Priority Applications (3)
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CN200910052431A CN101908624B (zh) | 2009-06-02 | 2009-06-02 | 二次锂电池正极材料及其制备方法 |
US13/322,564 US20120068109A1 (en) | 2009-06-02 | 2009-08-27 | Cathode material for secondary lithium batteries and preparation method |
PCT/CN2009/073579 WO2010139142A1 (zh) | 2009-06-02 | 2009-08-27 | 二次锂电池正极材料及其制备方法 |
Applications Claiming Priority (1)
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CN200910052431A CN101908624B (zh) | 2009-06-02 | 2009-06-02 | 二次锂电池正极材料及其制备方法 |
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CN101908624A CN101908624A (zh) | 2010-12-08 |
CN101908624B true CN101908624B (zh) | 2012-10-10 |
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US (1) | US20120068109A1 (zh) |
CN (1) | CN101908624B (zh) |
WO (1) | WO2010139142A1 (zh) |
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CN102751480B (zh) * | 2011-04-18 | 2015-09-02 | 河南科隆集团有限公司 | 一种包覆型富锂锰基材料及其制备方法 |
US8709279B2 (en) * | 2011-05-03 | 2014-04-29 | Uchicago Argonne, Llc | Production of battery grade materials via an oxalate method |
JP5945197B2 (ja) * | 2012-09-12 | 2016-07-05 | 日立マクセル株式会社 | 非水電解液二次電池 |
CN103715426B (zh) * | 2012-10-08 | 2016-04-27 | 国联汽车动力电池研究院有限责任公司 | 一种含硫的正极材料及其制备方法 |
CN103606663B (zh) * | 2013-11-28 | 2017-03-01 | 上海空间电源研究所 | 一种倍率型富锂复合正极材料及其制备方法 |
JP6357978B2 (ja) * | 2014-08-27 | 2018-07-18 | 住友金属鉱山株式会社 | 遷移金属複合水酸化物粒子とその製造方法、非水系電解質二次電池用正極活物質および非水系電解質二次電池 |
WO2017119171A1 (ja) * | 2016-01-06 | 2017-07-13 | ソニー株式会社 | 非水系二次電池、並びに、非水系二次電池用の正極活物質及びその製造方法 |
EP3333128A1 (en) | 2016-12-07 | 2018-06-13 | Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V. | Novel chargeable crystalline materials, in particular for use as electrode materials in electrochemical storage devices |
WO2019015533A1 (en) * | 2017-07-15 | 2019-01-24 | Microvast Power Systems Co., Ltd. | METHOD AND APPARATUS FOR PRODUCTION OF CATHODE PARTICLES |
CN112420979B (zh) | 2019-08-23 | 2022-02-11 | 宁德时代新能源科技股份有限公司 | 用于确定负极极片快充性能的方法和负极极片设计方法 |
CN113675381B (zh) * | 2020-05-15 | 2024-03-19 | 深圳市比亚迪锂电池有限公司 | 锂离子电池正极材料和正极极片以及锂离子电池 |
CN114551835B (zh) * | 2022-02-24 | 2024-01-30 | 蜂巢能源科技股份有限公司 | 一种超高镍四元正极材料及其制备方法和应用 |
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CN1457111A (zh) * | 2003-03-18 | 2003-11-19 | 黄穗阳 | 锂电池正极材料及其制备方法 |
CN1684290A (zh) * | 2004-04-13 | 2005-10-19 | 中国科学院物理研究所 | 一种用于二次锂电池的正极材料和用途 |
CN101071857A (zh) * | 2006-05-12 | 2007-11-14 | 盐光科技(嘉兴)有限公司 | 二次电池正极材料及制备方法 |
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US7482097B2 (en) * | 2002-04-03 | 2009-01-27 | Valence Technology, Inc. | Alkali-transition metal phosphates having a +3 valence non-transition element and related electrode active materials |
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- 2009-06-02 CN CN200910052431A patent/CN101908624B/zh active Active
- 2009-08-27 US US13/322,564 patent/US20120068109A1/en not_active Abandoned
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CN1457111A (zh) * | 2003-03-18 | 2003-11-19 | 黄穗阳 | 锂电池正极材料及其制备方法 |
CN1684290A (zh) * | 2004-04-13 | 2005-10-19 | 中国科学院物理研究所 | 一种用于二次锂电池的正极材料和用途 |
CN101071857A (zh) * | 2006-05-12 | 2007-11-14 | 盐光科技(嘉兴)有限公司 | 二次电池正极材料及制备方法 |
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