CN1581537A - 一种锂离子电池正极材料磷酸铁锂的制备方法 - Google Patents
一种锂离子电池正极材料磷酸铁锂的制备方法 Download PDFInfo
- Publication number
- CN1581537A CN1581537A CNA2004100184764A CN200410018476A CN1581537A CN 1581537 A CN1581537 A CN 1581537A CN A2004100184764 A CNA2004100184764 A CN A2004100184764A CN 200410018476 A CN200410018476 A CN 200410018476A CN 1581537 A CN1581537 A CN 1581537A
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- China
- Prior art keywords
- phosphate
- lithium
- ball milling
- powder
- iron phosphate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000000034 method Methods 0.000 title claims description 36
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 title claims description 31
- 229910001416 lithium ion Inorganic materials 0.000 title claims description 17
- 239000000463 material Substances 0.000 title claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910019142 PO4 Inorganic materials 0.000 claims abstract description 24
- 238000000498 ball milling Methods 0.000 claims abstract description 21
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 claims abstract description 18
- 229910000399 iron(III) phosphate Inorganic materials 0.000 claims abstract description 15
- 239000000843 powder Substances 0.000 claims abstract description 14
- 239000005955 Ferric phosphate Substances 0.000 claims abstract description 12
- 229940032958 ferric phosphate Drugs 0.000 claims abstract description 12
- 229910001386 lithium phosphate Inorganic materials 0.000 claims abstract description 11
- 239000010452 phosphate Substances 0.000 claims abstract description 11
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims abstract description 11
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- TWQULNDIKKJZPH-UHFFFAOYSA-K trilithium;phosphate Chemical compound [Li+].[Li+].[Li+].[O-]P([O-])([O-])=O TWQULNDIKKJZPH-UHFFFAOYSA-K 0.000 claims abstract description 10
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 229910052786 argon Inorganic materials 0.000 claims abstract description 7
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 16
- 238000002360 preparation method Methods 0.000 claims description 14
- 239000006258 conductive agent Substances 0.000 claims description 12
- 239000002243 precursor Substances 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 239000010405 anode material Substances 0.000 claims description 6
- 239000012300 argon atmosphere Substances 0.000 claims description 6
- 229910000398 iron phosphate Inorganic materials 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 5
- 239000007774 positive electrode material Substances 0.000 claims description 5
- 239000005720 sucrose Substances 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 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 claims description 3
- 229930006000 Sucrose Natural products 0.000 claims description 3
- 229920001353 Dextrin Polymers 0.000 claims description 2
- 239000004375 Dextrin Substances 0.000 claims description 2
- 229920002472 Starch Polymers 0.000 claims description 2
- 239000002969 artificial stone Substances 0.000 claims description 2
- 239000006229 carbon black Substances 0.000 claims description 2
- 229910052593 corundum Inorganic materials 0.000 claims description 2
- 239000010431 corundum Substances 0.000 claims description 2
- 235000019425 dextrin Nutrition 0.000 claims description 2
- 229910021382 natural graphite Inorganic materials 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 239000008107 starch Substances 0.000 claims description 2
- 235000019698 starch Nutrition 0.000 claims description 2
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 2
- 239000010406 cathode material Substances 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 11
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052744 lithium Inorganic materials 0.000 abstract description 6
- 238000010532 solid phase synthesis reaction Methods 0.000 abstract description 6
- 230000002194 synthesizing effect Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- 239000011261 inert gas Substances 0.000 abstract 2
- 229910001873 dinitrogen Inorganic materials 0.000 abstract 1
- 239000000047 product Substances 0.000 description 15
- 229910010710 LiFePO Inorganic materials 0.000 description 12
- 229910052493 LiFePO4 Inorganic materials 0.000 description 9
- 239000002994 raw material Substances 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 7
- 239000012298 atmosphere Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 6
- 239000007791 liquid phase Substances 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 4
- 229910017677 NH4H2 Inorganic materials 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 238000001027 hydrothermal synthesis Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 238000009776 industrial production Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
- 229910001290 LiPF6 Inorganic materials 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 239000006230 acetylene black Substances 0.000 description 2
- 229960005070 ascorbic acid Drugs 0.000 description 2
- 235000010323 ascorbic acid Nutrition 0.000 description 2
- 239000011668 ascorbic acid Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 2
- 229910000155 iron(II) phosphate Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 238000003746 solid phase reaction Methods 0.000 description 2
- 238000001308 synthesis method Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- BCNBMSZKALBQEF-UHFFFAOYSA-N 1,3-dimethylpyrrolidin-2-one Chemical compound CC1CCN(C)C1=O BCNBMSZKALBQEF-UHFFFAOYSA-N 0.000 description 1
- MEOVPKDOYAIVHZ-UHFFFAOYSA-N 2-chloro-1-(1-methylpyrrol-2-yl)ethanol Chemical compound CN1C=CC=C1C(O)CCl MEOVPKDOYAIVHZ-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 229910009891 LiAc Inorganic materials 0.000 description 1
- 229910001305 LiMPO4 Inorganic materials 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- QSNQXZYQEIKDPU-UHFFFAOYSA-N [Li].[Fe] Chemical compound [Li].[Fe] QSNQXZYQEIKDPU-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 238000000635 electron micrograph Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- VEPSWGHMGZQCIN-UHFFFAOYSA-H ferric oxalate Chemical compound [Fe+3].[Fe+3].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O VEPSWGHMGZQCIN-UHFFFAOYSA-H 0.000 description 1
- 229940116007 ferrous phosphate Drugs 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229940093915 gynecological organic acid Drugs 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 230000002687 intercalation Effects 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
- SDEKDNPYZOERBP-UHFFFAOYSA-H iron(ii) phosphate Chemical compound [Fe+2].[Fe+2].[Fe+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O SDEKDNPYZOERBP-UHFFFAOYSA-H 0.000 description 1
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 1
- 229910052808 lithium carbonate Inorganic materials 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 239000011858 nanopowder Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 239000002699 waste material Substances 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
- H01M4/58—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
- 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
-
- 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)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
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CNB2004100184764A CN1255888C (zh) | 2004-05-20 | 2004-05-20 | 一种锂离子电池正极材料磷酸铁锂的制备方法 |
Applications Claiming Priority (1)
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CNB2004100184764A CN1255888C (zh) | 2004-05-20 | 2004-05-20 | 一种锂离子电池正极材料磷酸铁锂的制备方法 |
Publications (2)
Publication Number | Publication Date |
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CN1581537A true CN1581537A (zh) | 2005-02-16 |
CN1255888C CN1255888C (zh) | 2006-05-10 |
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CNB2004100184764A Expired - Lifetime CN1255888C (zh) | 2004-05-20 | 2004-05-20 | 一种锂离子电池正极材料磷酸铁锂的制备方法 |
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Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1332462C (zh) * | 2005-11-15 | 2007-08-15 | 厦门大学 | 磷酸铁锂正极材料及其制备方法 |
CN1332878C (zh) * | 2005-10-11 | 2007-08-22 | 清华大学 | 氧位掺杂型磷酸铁锂粉体的制备方法 |
CN100395907C (zh) * | 2005-12-22 | 2008-06-18 | 上海交通大学 | 一种锂离子电池正极材料磷酸铁锂的制备方法 |
CN100418255C (zh) * | 2005-12-23 | 2008-09-10 | 清华大学 | 一种富锂型磷酸铁锂粉体的制备方法 |
WO2009012669A1 (en) * | 2007-07-20 | 2009-01-29 | Byd Company Limited | Cathode active material for a lithium ion battery and method for preparing the same |
CN101162776B (zh) * | 2007-10-26 | 2010-06-02 | 深圳市贝特瑞新能源材料股份有限公司 | 适用于高倍率动力电池用的磷酸铁锂及其制备方法 |
CN101826618A (zh) * | 2010-05-14 | 2010-09-08 | 成都联禾化工医药有限责任公司 | 超细、高分散性磷酸铁锂的制备方法 |
CN101241987B (zh) * | 2008-01-04 | 2011-08-24 | 深圳大学 | 一种锂离子电池正极材料磷酸铁锂的电化学合成方法 |
CN102332565A (zh) * | 2011-09-30 | 2012-01-25 | 浙江工业大学 | 一种磷酸铁锂/碳复合材料的合成方法 |
CN102394300A (zh) * | 2011-09-13 | 2012-03-28 | 天津巴莫科技股份有限公司 | 一种锂离子电池正极材料磷酸锰锂的制备方法 |
CN101591012B (zh) * | 2008-05-27 | 2012-06-13 | 北京有色金属研究总院 | 一种用于锂离子电池正极材料磷酸铁锂的制备方法 |
CN101651204B (zh) * | 2009-09-24 | 2012-11-14 | 安徽工业大学 | 一种以钢铁冶金尘泥为主要原料制备多元掺杂磷酸铁锂的方法 |
WO2012162861A1 (zh) * | 2011-05-27 | 2012-12-06 | 江苏乐能电池股份有限公司 | 一种从制备纳米球形磷酸铁到碳融合法连续制备纳米球形磷酸铁锂的方法 |
CN103303893A (zh) * | 2013-06-04 | 2013-09-18 | 清华大学深圳研究生院 | 一种磷酸铁锂制备方法 |
CN103384006A (zh) * | 2013-07-29 | 2013-11-06 | 深圳先进技术研究院 | 一种磷酸铁锂/碳复合材料的制备方法 |
CN106450232A (zh) * | 2016-11-30 | 2017-02-22 | 武汉理工力强能源有限公司 | 一种新型锂离子电池正极材料磷酸三元的制备方法及应用 |
CN108529584A (zh) * | 2018-04-24 | 2018-09-14 | 江西省金锂科技股份有限公司 | 高密度磷酸铁锂正极材料的制备方法 |
CN108598393A (zh) * | 2018-04-03 | 2018-09-28 | 肇庆益晟商贸有限公司 | 一种锂离子电池正极材料及其制备方法 |
CN108682853A (zh) * | 2018-04-24 | 2018-10-19 | 江西省金锂科技股份有限公司 | 磷酸铁锂的制备方法及由其制得的磷酸铁锂正极材料 |
CN114188508A (zh) * | 2021-10-28 | 2022-03-15 | 厦门理工学院 | 一种磷酸铁锂正极材料、制备方法及应用 |
CN114538403A (zh) * | 2022-01-27 | 2022-05-27 | 上海交通大学 | 钠离子电池正极材料磷酸焦磷酸铁钠的制备方法及其应用 |
-
2004
- 2004-05-20 CN CNB2004100184764A patent/CN1255888C/zh not_active Expired - Lifetime
Cited By (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1332878C (zh) * | 2005-10-11 | 2007-08-22 | 清华大学 | 氧位掺杂型磷酸铁锂粉体的制备方法 |
CN1332462C (zh) * | 2005-11-15 | 2007-08-15 | 厦门大学 | 磷酸铁锂正极材料及其制备方法 |
CN100395907C (zh) * | 2005-12-22 | 2008-06-18 | 上海交通大学 | 一种锂离子电池正极材料磷酸铁锂的制备方法 |
CN100418255C (zh) * | 2005-12-23 | 2008-09-10 | 清华大学 | 一种富锂型磷酸铁锂粉体的制备方法 |
WO2009012669A1 (en) * | 2007-07-20 | 2009-01-29 | Byd Company Limited | Cathode active material for a lithium ion battery and method for preparing the same |
CN101162776B (zh) * | 2007-10-26 | 2010-06-02 | 深圳市贝特瑞新能源材料股份有限公司 | 适用于高倍率动力电池用的磷酸铁锂及其制备方法 |
CN101241987B (zh) * | 2008-01-04 | 2011-08-24 | 深圳大学 | 一种锂离子电池正极材料磷酸铁锂的电化学合成方法 |
CN101591012B (zh) * | 2008-05-27 | 2012-06-13 | 北京有色金属研究总院 | 一种用于锂离子电池正极材料磷酸铁锂的制备方法 |
CN101651204B (zh) * | 2009-09-24 | 2012-11-14 | 安徽工业大学 | 一种以钢铁冶金尘泥为主要原料制备多元掺杂磷酸铁锂的方法 |
CN101826618A (zh) * | 2010-05-14 | 2010-09-08 | 成都联禾化工医药有限责任公司 | 超细、高分散性磷酸铁锂的制备方法 |
CN101826618B (zh) * | 2010-05-14 | 2012-11-07 | 成都联禾化工医药有限责任公司 | 超细、高分散性磷酸铁锂的制备方法 |
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