CN102324494B - 磷酸铁锂/纳米粉管氧化物复合正极材料及其制备方法 - Google Patents
磷酸铁锂/纳米粉管氧化物复合正极材料及其制备方法 Download PDFInfo
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- CN102324494B CN102324494B CN201010231744.6A CN201010231744A CN102324494B CN 102324494 B CN102324494 B CN 102324494B CN 201010231744 A CN201010231744 A CN 201010231744A CN 102324494 B CN102324494 B CN 102324494B
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- 239000002131 composite material Substances 0.000 title claims abstract description 81
- 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 47
- 238000002360 preparation method Methods 0.000 title claims abstract description 30
- 239000011858 nanopowder Substances 0.000 title abstract description 36
- 239000010406 cathode material Substances 0.000 title abstract description 31
- 229910052493 LiFePO4 Inorganic materials 0.000 claims abstract description 137
- 239000002994 raw material Substances 0.000 claims description 178
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 127
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid group Chemical group C(CC(O)(C(=O)O)CC(=O)O)(=O)O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 93
- 229910052744 lithium Inorganic materials 0.000 claims description 79
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical group [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 77
- 239000008139 complexing agent Substances 0.000 claims description 69
- 239000000843 powder Substances 0.000 claims description 63
- 239000000463 material Substances 0.000 claims description 60
- 229910019142 PO4 Inorganic materials 0.000 claims description 55
- 229910052742 iron Inorganic materials 0.000 claims description 55
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 55
- 239000010452 phosphate Substances 0.000 claims description 55
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 52
- 238000004090 dissolution Methods 0.000 claims description 47
- 238000010438 heat treatment Methods 0.000 claims description 47
- 230000014759 maintenance of location Effects 0.000 claims description 46
- 238000000034 method Methods 0.000 claims description 46
- 239000000203 mixture Substances 0.000 claims description 34
- 238000005303 weighing Methods 0.000 claims description 32
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 31
- 238000000498 ball milling Methods 0.000 claims description 31
- 238000012545 processing Methods 0.000 claims description 29
- 230000032683 aging Effects 0.000 claims description 24
- 238000009489 vacuum treatment Methods 0.000 claims description 24
- 230000029087 digestion Effects 0.000 claims description 23
- 239000002071 nanotube Substances 0.000 claims description 21
- 230000015572 biosynthetic process Effects 0.000 claims description 17
- 238000003786 synthesis reaction Methods 0.000 claims description 17
- 238000013019 agitation Methods 0.000 claims description 11
- 239000002904 solvent Substances 0.000 claims description 11
- 239000004408 titanium dioxide Substances 0.000 claims description 10
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 8
- 238000003980 solgel method Methods 0.000 claims description 8
- 125000000914 phenoxymethylpenicillanyl group Chemical group CC1(S[C@H]2N([C@H]1C(=O)*)C([C@H]2NC(COC2=CC=CC=C2)=O)=O)C 0.000 claims description 6
- 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 5
- 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 5
- 239000011975 tartaric acid Substances 0.000 claims description 5
- 235000002906 tartaric acid Nutrition 0.000 claims description 5
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- LLZRNZOLAXHGLL-UHFFFAOYSA-J titanic acid Chemical compound O[Ti](O)(O)O LLZRNZOLAXHGLL-UHFFFAOYSA-J 0.000 claims description 3
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 13
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical group [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 11
- 239000007772 electrode material Substances 0.000 abstract description 3
- IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Chemical compound [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 description 44
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 26
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 description 26
- 235000019837 monoammonium phosphate Nutrition 0.000 description 26
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 25
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 23
- 229910010707 LiFePO 4 Inorganic materials 0.000 description 22
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 17
- 239000000126 substance Substances 0.000 description 16
- 239000000377 silicon dioxide Substances 0.000 description 14
- 239000006230 acetylene black Substances 0.000 description 13
- 230000004087 circulation Effects 0.000 description 12
- 238000003756 stirring Methods 0.000 description 12
- 229910013553 LiNO Inorganic materials 0.000 description 10
- 238000002156 mixing Methods 0.000 description 10
- 229910052799 carbon Inorganic materials 0.000 description 9
- 239000002245 particle Substances 0.000 description 8
- 125000004122 cyclic group Chemical group 0.000 description 7
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 7
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 7
- 229920001223 polyethylene glycol Polymers 0.000 description 7
- 229920002451 polyvinyl alcohol Polymers 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
- 229910010413 TiO 2 Inorganic materials 0.000 description 5
- HGWOWDFNMKCVLG-UHFFFAOYSA-N [O--].[O--].[Ti+4].[Ti+4] Chemical compound [O--].[O--].[Ti+4].[Ti+4] HGWOWDFNMKCVLG-UHFFFAOYSA-N 0.000 description 5
- 230000008901 benefit Effects 0.000 description 5
- 238000007599 discharging Methods 0.000 description 5
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 5
- 229910052808 lithium carbonate Inorganic materials 0.000 description 5
- 239000003792 electrolyte Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- CQDGTJPVBWZJAZ-UHFFFAOYSA-N monoethyl carbonate Chemical compound CCOC(O)=O CQDGTJPVBWZJAZ-UHFFFAOYSA-N 0.000 description 4
- 229910010710 LiFePO Inorganic materials 0.000 description 3
- 229910013870 LiPF 6 Inorganic materials 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 239000006258 conductive agent Substances 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002114 nanocomposite Substances 0.000 description 3
- 239000012453 solvate Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910007052 Li—Ti—O Inorganic materials 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 239000005030 aluminium foil Substances 0.000 description 2
- 239000010405 anode material Substances 0.000 description 2
- WNKMTAQXMLAYHX-UHFFFAOYSA-N barium(2+);dioxido(oxo)titanium Chemical compound [Ba+2].[O-][Ti]([O-])=O WNKMTAQXMLAYHX-UHFFFAOYSA-N 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 235000019441 ethanol Nutrition 0.000 description 2
- 229940062993 ferrous oxalate Drugs 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- -1 iron phosphate compound Chemical class 0.000 description 2
- OWZIYWAUNZMLRT-UHFFFAOYSA-L iron(2+);oxalate Chemical compound [Fe+2].[O-]C(=O)C([O-])=O OWZIYWAUNZMLRT-UHFFFAOYSA-L 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000012046 mixed solvent Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000005543 nano-size silicon particle Substances 0.000 description 2
- 239000002121 nanofiber Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical group O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- 229910012258 LiPO Inorganic materials 0.000 description 1
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 description 1
- 241001460678 Napo <wasp> Species 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
- 229930006000 Sucrose Natural products 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- QSNQXZYQEIKDPU-UHFFFAOYSA-N [Li].[Fe] Chemical compound [Li].[Fe] QSNQXZYQEIKDPU-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- 239000002134 carbon nanofiber Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000006184 cosolvent Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910000398 iron phosphate Inorganic materials 0.000 description 1
- XIXADJRWDQXREU-UHFFFAOYSA-M lithium acetate Chemical compound [Li+].CC([O-])=O XIXADJRWDQXREU-UHFFFAOYSA-M 0.000 description 1
- OVAQODDUFGFVPR-UHFFFAOYSA-N lithium cobalt(2+) dioxido(dioxo)manganese Chemical class [Li+].[Mn](=O)(=O)([O-])[O-].[Co+2] OVAQODDUFGFVPR-UHFFFAOYSA-N 0.000 description 1
- 229910001386 lithium phosphate Inorganic materials 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- LTUDISCZKZHRMJ-UHFFFAOYSA-N potassium;hydrate Chemical group O.[K] LTUDISCZKZHRMJ-UHFFFAOYSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000009818 secondary granulation Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000003836 solid-state method Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- TWQULNDIKKJZPH-UHFFFAOYSA-K trilithium;phosphate Chemical compound [Li+].[Li+].[Li+].[O-]P([O-])([O-])=O TWQULNDIKKJZPH-UHFFFAOYSA-K 0.000 description 1
Classifications
-
- 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
Abstract
Description
Claims (6)
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CN201010231744.6A CN102324494B (zh) | 2010-07-20 | 2010-07-20 | 磷酸铁锂/纳米粉管氧化物复合正极材料及其制备方法 |
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CN102324494A CN102324494A (zh) | 2012-01-18 |
CN102324494B true CN102324494B (zh) | 2014-10-01 |
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Families Citing this family (12)
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CN102903915A (zh) * | 2012-08-28 | 2013-01-30 | 中信大锰矿业有限责任公司 | 溶胶-凝胶法制备正极材料磷酸铁锂的方法 |
CN102867958B (zh) * | 2012-10-11 | 2014-12-17 | 常州大学 | 一种磷酸铁锂-碳-二氧化硅复合材料及其制备方法 |
CN102931401B (zh) * | 2012-10-12 | 2015-12-02 | 中航锂电(洛阳)有限公司 | 一种磷酸铁锂复合材料的制备方法 |
CN102903930B (zh) * | 2012-10-23 | 2016-06-08 | 中国科学院过程工程研究所 | 一种锂离子二次电池及其制备方法 |
CN102969496A (zh) * | 2012-11-20 | 2013-03-13 | 深圳市天骄科技开发有限公司 | 锂离子电池正极材料盐溶液掺杂氧化物的制备方法 |
CN106058195A (zh) * | 2016-07-21 | 2016-10-26 | 天津巴莫科技股份有限公司 | 一种双包覆型磷酸钒锂正极材料及其制备方法 |
CN106099103A (zh) * | 2016-08-24 | 2016-11-09 | 合肥国轩电池材料有限公司 | 一种低成本高性能磷酸铁锂材料的制备方法 |
CN106876669B (zh) * | 2016-12-23 | 2019-10-18 | 山东精工电子科技有限公司 | 一种微晶LiVOPO4-LiMPO4-TiO2复合锂电材料及制备方法 |
CN109336077A (zh) * | 2018-08-29 | 2019-02-15 | 深圳市德方纳米科技股份有限公司 | 一种磷酸铁锂正极材料及其制备方法 |
CN109742322B (zh) * | 2018-12-05 | 2023-01-06 | 江苏海四达电源有限公司 | 一种高功率磷酸铁锂电池及其制备方法 |
CN111029571B (zh) * | 2019-11-22 | 2021-06-11 | 贵州唯特高新能源科技有限公司 | 一种二氧化硅均匀掺杂磷酸铁的制备方法 |
CN116947005B (zh) * | 2023-09-18 | 2023-12-01 | 四川富临新能源科技有限公司 | 快锂离子扩散速率的磷酸铁锂正极材料及制备方法 |
Citations (3)
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CN1792780A (zh) * | 2005-10-27 | 2006-06-28 | 复旦大学 | 一种锌离子掺杂的橄榄石结构LiFePO4及其制备方法和用途 |
CN1971981A (zh) * | 2006-12-14 | 2007-05-30 | 南开大学 | 用于锂离子电池正极的高充放电倍率的磷酸铁锂材料及其制备方法 |
CN101719546A (zh) * | 2009-11-26 | 2010-06-02 | 上海大学 | 掺杂纳米氧化物的锂离子电池正极材料的制备方法 |
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CN101710615A (zh) * | 2009-11-19 | 2010-05-19 | 鞍山凯信工矿设备有限公司 | 磷酸铁锂与碳纳米管复合正极材料的制备方法 |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1792780A (zh) * | 2005-10-27 | 2006-06-28 | 复旦大学 | 一种锌离子掺杂的橄榄石结构LiFePO4及其制备方法和用途 |
CN1971981A (zh) * | 2006-12-14 | 2007-05-30 | 南开大学 | 用于锂离子电池正极的高充放电倍率的磷酸铁锂材料及其制备方法 |
CN101719546A (zh) * | 2009-11-26 | 2010-06-02 | 上海大学 | 掺杂纳米氧化物的锂离子电池正极材料的制备方法 |
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