CN1457111A - 锂电池正极材料及其制备方法 - Google Patents
锂电池正极材料及其制备方法 Download PDFInfo
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- CN1457111A CN1457111A CN03113934A CN03113934A CN1457111A CN 1457111 A CN1457111 A CN 1457111A CN 03113934 A CN03113934 A CN 03113934A CN 03113934 A CN03113934 A CN 03113934A CN 1457111 A CN1457111 A CN 1457111A
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- Prior art keywords
- lithium
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- iron phosphate
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 44
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 238000002360 preparation method Methods 0.000 title claims description 21
- 239000007774 positive electrode material Substances 0.000 title abstract description 4
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical class [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 claims abstract description 83
- 239000000843 powder Substances 0.000 claims abstract description 62
- 238000000034 method Methods 0.000 claims abstract description 51
- 239000013078 crystal Substances 0.000 claims abstract description 39
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000000126 substance Substances 0.000 claims abstract description 32
- 239000002019 doping agent Substances 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 27
- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 150000002500 ions Chemical class 0.000 claims abstract description 19
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000002086 nanomaterial Substances 0.000 claims abstract description 16
- 229910019142 PO4 Inorganic materials 0.000 claims abstract description 14
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims abstract description 11
- 239000010452 phosphate Substances 0.000 claims abstract description 11
- 239000010405 anode material Substances 0.000 claims abstract description 10
- 239000007787 solid Substances 0.000 claims abstract description 10
- 238000004544 sputter deposition Methods 0.000 claims abstract description 9
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical group [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910001425 magnesium ion Inorganic materials 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 238000003746 solid phase reaction Methods 0.000 claims abstract description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims abstract description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims abstract description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims abstract description 3
- 238000000151 deposition Methods 0.000 claims abstract description 3
- 230000008021 deposition Effects 0.000 claims abstract description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 3
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 54
- 239000011777 magnesium Substances 0.000 claims description 39
- 229910010707 LiFePO 4 Inorganic materials 0.000 claims description 32
- 238000006243 chemical reaction Methods 0.000 claims description 32
- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical group [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 claims description 30
- 239000000203 mixture Substances 0.000 claims description 28
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 24
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 24
- 238000000227 grinding Methods 0.000 claims description 22
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims description 18
- 239000000919 ceramic Substances 0.000 claims description 18
- 239000011572 manganese Substances 0.000 claims description 18
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 17
- 238000013019 agitation Methods 0.000 claims description 17
- 239000002994 raw material Substances 0.000 claims description 17
- IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Chemical compound [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 claims description 16
- 239000000243 solution Substances 0.000 claims description 16
- 239000000839 emulsion Substances 0.000 claims description 15
- JVLRGEATDIWSHH-UHFFFAOYSA-K lithium;magnesium;iron(2+);phosphate Chemical compound [Li+].[Mg+2].[Fe+2].[O-]P([O-])([O-])=O JVLRGEATDIWSHH-UHFFFAOYSA-K 0.000 claims description 15
- 229910052757 nitrogen Inorganic materials 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 13
- 229910010710 LiFePO Inorganic materials 0.000 claims description 12
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 12
- 238000009792 diffusion process Methods 0.000 claims description 12
- 229940062993 ferrous oxalate Drugs 0.000 claims description 12
- OWZIYWAUNZMLRT-UHFFFAOYSA-L iron(2+);oxalate Chemical compound [Fe+2].[O-]C(=O)C([O-])=O OWZIYWAUNZMLRT-UHFFFAOYSA-L 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 12
- 229910052760 oxygen Inorganic materials 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 229910052799 carbon Inorganic materials 0.000 claims description 11
- 239000000047 product Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 10
- 239000011261 inert gas Substances 0.000 claims description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 10
- 239000010935 stainless steel Substances 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 8
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 229910021529 ammonia Inorganic materials 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 8
- AWKHTBXFNVGFRX-UHFFFAOYSA-K iron(2+);manganese(2+);phosphate Chemical compound [Mn+2].[Fe+2].[O-]P([O-])([O-])=O AWKHTBXFNVGFRX-UHFFFAOYSA-K 0.000 claims description 8
- 229910052698 phosphorus Inorganic materials 0.000 claims description 8
- 239000011574 phosphorus Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 239000007864 aqueous solution Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 7
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims description 7
- 229910052808 lithium carbonate Inorganic materials 0.000 claims description 7
- 229910052749 magnesium Inorganic materials 0.000 claims description 7
- 239000000376 reactant Substances 0.000 claims description 7
- QWWVBNODQCWBAZ-WHFBIAKZSA-N (2r)-2-amino-3-[(2r)-2-carboxy-2-(methylamino)ethyl]sulfanylpropanoic acid Chemical compound CN[C@H](C(O)=O)CSC[C@H](N)C(O)=O QWWVBNODQCWBAZ-WHFBIAKZSA-N 0.000 claims description 6
- 229910016876 Fe(NH4)2(SO4)2 Inorganic materials 0.000 claims description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 5
- 229910001947 lithium oxide Inorganic materials 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 4
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000012298 atmosphere Substances 0.000 claims description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 4
- HDCVHVAWSPSEET-UHFFFAOYSA-K lithium;magnesium;manganese(2+);phosphate Chemical compound [Li+].[Mg+2].[Mn+2].[O-]P([O-])([O-])=O HDCVHVAWSPSEET-UHFFFAOYSA-K 0.000 claims description 4
- 229910052748 manganese Inorganic materials 0.000 claims description 4
- 235000006408 oxalic acid Nutrition 0.000 claims description 4
- 230000001590 oxidative effect Effects 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 239000011265 semifinished product Substances 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- 239000013077 target material Substances 0.000 claims description 4
- 238000005342 ion exchange Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 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
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-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
- 239000004411 aluminium Substances 0.000 claims description 2
- 229910052786 argon Inorganic materials 0.000 claims description 2
- 150000001722 carbon compounds Chemical class 0.000 claims description 2
- 239000000701 coagulant Substances 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 238000005554 pickling Methods 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 239000004332 silver Substances 0.000 claims description 2
- 239000002002 slurry Substances 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 238000005304 joining Methods 0.000 claims 1
- 239000007790 solid phase Substances 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 239000000084 colloidal system Substances 0.000 abstract description 2
- 229910000399 iron(III) phosphate Inorganic materials 0.000 abstract description 2
- 229920000642 polymer Polymers 0.000 abstract description 2
- 229910002551 Fe-Mn Inorganic materials 0.000 abstract 1
- 229910017052 cobalt Inorganic materials 0.000 description 7
- 239000010941 cobalt Substances 0.000 description 7
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 7
- 239000000499 gel Substances 0.000 description 7
- 229910016953 Fe0.5Mn0.5PO4 Inorganic materials 0.000 description 6
- 239000002253 acid Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 235000021317 phosphate Nutrition 0.000 description 6
- 229910001246 LixFePO4 Inorganic materials 0.000 description 5
- 150000001768 cations Chemical class 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 229910015645 LiMn Inorganic materials 0.000 description 4
- 229910013716 LiNi Inorganic materials 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 3
- DJZIBVUGARDLOC-UHFFFAOYSA-N [Ni]=O.[Co]=O.[Li] Chemical compound [Ni]=O.[Co]=O.[Li] DJZIBVUGARDLOC-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical class [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000010450 olivine Substances 0.000 description 3
- 229910052609 olivine Inorganic materials 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 239000011573 trace mineral Substances 0.000 description 3
- 235000013619 trace mineral Nutrition 0.000 description 3
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical class [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- QSNQXZYQEIKDPU-UHFFFAOYSA-N [Li].[Fe] Chemical compound [Li].[Fe] QSNQXZYQEIKDPU-UHFFFAOYSA-N 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 239000002800 charge carrier Substances 0.000 description 2
- 239000002482 conductive additive Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- -1 iron ion Chemical class 0.000 description 2
- XIXADJRWDQXREU-UHFFFAOYSA-M lithium acetate Chemical compound [Li+].CC([O-])=O XIXADJRWDQXREU-UHFFFAOYSA-M 0.000 description 2
- 235000011147 magnesium chloride Nutrition 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 229910020647 Co-O Inorganic materials 0.000 description 1
- 229910020704 Co—O Inorganic materials 0.000 description 1
- 229910012820 LiCoO Inorganic materials 0.000 description 1
- 229910018663 Mn O Inorganic materials 0.000 description 1
- 229910003176 Mn-O Inorganic materials 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical group [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000002001 electrolyte material Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 1
- PVFSDGKDKFSOTB-UHFFFAOYSA-K iron(3+);triacetate Chemical compound [Fe+3].CC([O-])=O.CC([O-])=O.CC([O-])=O PVFSDGKDKFSOTB-UHFFFAOYSA-K 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229940029985 mineral supplement Drugs 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910001428 transition metal ion Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 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
- H01M4/04—Processes of manufacture in general
- H01M4/0471—Processes of manufacture in general involving thermal treatment, e.g. firing, sintering, backing particulate active material, thermal decomposition, pyrolysis
-
- 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/136—Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
-
- 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
- H01M4/1397—Processes of manufacture of electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
-
- 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
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/5825—Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines
-
- 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
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/028—Positive electrodes
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
掺杂离子M | Mg2+ | Ca2+ | Sr2+ | Ti3+ | Al3+ | Si4+ | Ge4+ | P5+ |
掺杂浓度范围(%) | 0.1-5.0 | 0.1-4.2 | 0.1-3.1 | 0.1-2.4 | 0.1-2.6 | 0.1-1.9 | 0.1-1.8 | 0.1-0.9 |
增压置换离子M’ | Ti3+ | V3+ | Co3+ | Ni3+ | Mn3+ | Cr3+ | Cu3+ | Mo3+ |
置换离子浓度范围(%) | 1-50 | 1-80 | 1-45 | 1-45 | 1-49 | 1-35 | 1-60 | 1-60 |
掺杂离子M | 未掺杂 | Mg2+ | Ca2+ | Ti3+ | Al3+ | Si4+ | Ge4+ | P5+ |
掺杂离子浓度(%) | 0 | 1.6 | 1.2 | 0.8 | 0.9 | 0.5 | 0.6 | 0.4 |
电导率(S/cm) | 3·10-9 | 6·10-2 | 2·10-3 | 4·10-2 | 1·10-2 | 3·10-3 | 1·10-3 | 2·10-3 |
氧空位浓度y | 0.0 | 0.1 | 0.3 | 0.6 | 0.8 | 1.1 |
电导率(S/cm) | 3·10-9 | 1·10-5 | 1·10-3 | 2·10-3 | 7·10-3 | 2·10-2 |
Claims (15)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNB031139345A CN100448071C (zh) | 2003-03-18 | 2003-03-18 | 锂电池正极材料及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB031139345A CN100448071C (zh) | 2003-03-18 | 2003-03-18 | 锂电池正极材料及其制备方法 |
Publications (2)
Publication Number | Publication Date |
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CN1457111A true CN1457111A (zh) | 2003-11-19 |
CN100448071C CN100448071C (zh) | 2008-12-31 |
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Application Number | Title | Priority Date | Filing Date |
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CNB031139345A Expired - Fee Related CN100448071C (zh) | 2003-03-18 | 2003-03-18 | 锂电池正极材料及其制备方法 |
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CN (1) | CN100448071C (zh) |
Cited By (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006066470A1 (fr) * | 2004-12-21 | 2006-06-29 | Institute Of Physics, Chinese Academy Of Sciences | Matériau d’électrode positive de phosphate de fer et lithium ayant une vacance d’oxygène pour batterie secondaire au lithium et utilisation dudit matériau |
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