CN1305148C - 高密度球形磷酸铁锂及磷酸锰铁锂的制备方法 - Google Patents
高密度球形磷酸铁锂及磷酸锰铁锂的制备方法 Download PDFInfo
- Publication number
- CN1305148C CN1305148C CNB2005100020129A CN200510002012A CN1305148C CN 1305148 C CN1305148 C CN 1305148C CN B2005100020129 A CNB2005100020129 A CN B2005100020129A CN 200510002012 A CN200510002012 A CN 200510002012A CN 1305148 C CN1305148 C CN 1305148C
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- China
- Prior art keywords
- phosphate
- lithium iron
- lithium
- manganese
- spherical
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 22
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 title abstract description 10
- DVATZODUVBMYHN-UHFFFAOYSA-K lithium;iron(2+);manganese(2+);phosphate Chemical compound [Li+].[Mn+2].[Fe+2].[O-]P([O-])([O-])=O DVATZODUVBMYHN-UHFFFAOYSA-K 0.000 title abstract 9
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 40
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 40
- 239000011574 phosphorus Substances 0.000 claims abstract description 40
- 235000003891 ferrous sulphate Nutrition 0.000 claims abstract description 37
- 239000011790 ferrous sulphate Substances 0.000 claims abstract description 37
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims abstract description 37
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims abstract description 37
- 238000002360 preparation method Methods 0.000 claims abstract description 27
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229940099596 manganese sulfate Drugs 0.000 claims abstract description 19
- 235000007079 manganese sulphate Nutrition 0.000 claims abstract description 19
- 239000011702 manganese sulphate Substances 0.000 claims abstract description 19
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 claims abstract description 19
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims abstract description 15
- 239000000203 mixture Substances 0.000 claims abstract description 14
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 229910052808 lithium carbonate Inorganic materials 0.000 claims abstract description 12
- CPSYWNLKRDURMG-UHFFFAOYSA-L hydron;manganese(2+);phosphate Chemical compound [Mn+2].OP([O-])([O-])=O CPSYWNLKRDURMG-UHFFFAOYSA-L 0.000 claims abstract description 11
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 54
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 52
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 49
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 44
- 239000007864 aqueous solution Substances 0.000 claims description 38
- 239000008139 complexing agent Substances 0.000 claims description 38
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 37
- 229910052744 lithium Inorganic materials 0.000 claims description 37
- 239000011572 manganese Substances 0.000 claims description 34
- 229910021529 ammonia Inorganic materials 0.000 claims description 26
- 238000005406 washing Methods 0.000 claims description 23
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 22
- 229910052742 iron Inorganic materials 0.000 claims description 21
- 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 20
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 19
- 229910052748 manganese Inorganic materials 0.000 claims description 19
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims description 17
- 239000012295 chemical reaction liquid Substances 0.000 claims description 16
- 229910001386 lithium phosphate Inorganic materials 0.000 claims description 14
- TWQULNDIKKJZPH-UHFFFAOYSA-K trilithium;phosphate Chemical compound [Li+].[Li+].[Li+].[O-]P([O-])([O-])=O TWQULNDIKKJZPH-UHFFFAOYSA-K 0.000 claims description 14
- 229910010707 LiFePO 4 Inorganic materials 0.000 claims description 11
- 239000004254 Ammonium phosphate Substances 0.000 claims description 10
- 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 10
- 229910000148 ammonium phosphate Inorganic materials 0.000 claims description 10
- 235000019289 ammonium phosphates Nutrition 0.000 claims description 10
- 230000002194 synthesizing effect Effects 0.000 claims description 10
- 239000011975 tartaric acid Substances 0.000 claims description 10
- 235000002906 tartaric acid Nutrition 0.000 claims description 10
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims description 7
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 claims description 7
- 229910000388 diammonium phosphate Inorganic materials 0.000 claims description 7
- 235000019838 diammonium phosphate Nutrition 0.000 claims description 7
- 235000019837 monoammonium phosphate Nutrition 0.000 claims description 7
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 14
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 11
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 11
- 239000002245 particle Substances 0.000 abstract description 4
- 239000002243 precursor Substances 0.000 abstract 3
- 239000010406 cathode material Substances 0.000 abstract 2
- 239000002738 chelating agent Substances 0.000 abstract 1
- 229940116007 ferrous phosphate Drugs 0.000 abstract 1
- 229910000155 iron(II) phosphate Inorganic materials 0.000 abstract 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 abstract 1
- 229910052493 LiFePO4 Inorganic materials 0.000 description 24
- 239000000047 product Substances 0.000 description 23
- 239000007787 solid Substances 0.000 description 15
- 239000007788 liquid Substances 0.000 description 14
- 239000008367 deionised water Substances 0.000 description 12
- 229910021641 deionized water Inorganic materials 0.000 description 12
- 238000000926 separation method Methods 0.000 description 12
- 238000000498 ball milling Methods 0.000 description 10
- 238000005303 weighing Methods 0.000 description 10
- 235000014786 phosphorus Nutrition 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 239000011268 mixed slurry Substances 0.000 description 8
- 235000011007 phosphoric acid Nutrition 0.000 description 8
- 239000002002 slurry Substances 0.000 description 8
- 239000010405 anode material Substances 0.000 description 6
- 235000015165 citric acid Nutrition 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
- 238000001035 drying Methods 0.000 description 6
- 239000008187 granular material Substances 0.000 description 6
- 239000012265 solid product Substances 0.000 description 6
- 238000010792 warming Methods 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910011570 LiFe 1-x Inorganic materials 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 229910017052 cobalt Inorganic materials 0.000 description 4
- 239000010941 cobalt Substances 0.000 description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 150000002505 iron Chemical class 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 239000003643 water by type Substances 0.000 description 4
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 3
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 3
- 229910015645 LiMn Inorganic materials 0.000 description 3
- 229910013290 LiNiO 2 Inorganic materials 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 206010013786 Dry skin Diseases 0.000 description 2
- 229910010710 LiFePO Inorganic materials 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- -1 metals compound Chemical class 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 1
- 239000005955 Ferric phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-L Phosphate ion(2-) Chemical compound OP([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-L 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000011267 electrode slurry Substances 0.000 description 1
- 229910001447 ferric ion Inorganic materials 0.000 description 1
- 229940032958 ferric phosphate Drugs 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
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(III) nitrate Inorganic materials [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 description 1
- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- XIXADJRWDQXREU-UHFFFAOYSA-M lithium acetate Chemical compound [Li+].CC([O-])=O XIXADJRWDQXREU-UHFFFAOYSA-M 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000010450 olivine Substances 0.000 description 1
- 229910052609 olivine Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
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
Landscapes
- 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 (6)
Priority Applications (1)
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CNB2005100020129A CN1305148C (zh) | 2005-01-12 | 2005-01-12 | 高密度球形磷酸铁锂及磷酸锰铁锂的制备方法 |
Applications Claiming Priority (1)
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CNB2005100020129A CN1305148C (zh) | 2005-01-12 | 2005-01-12 | 高密度球形磷酸铁锂及磷酸锰铁锂的制备方法 |
Publications (2)
Publication Number | Publication Date |
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CN1632970A CN1632970A (zh) | 2005-06-29 |
CN1305148C true CN1305148C (zh) | 2007-03-14 |
Family
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Family Applications (1)
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CNB2005100020129A Expired - Fee Related CN1305148C (zh) | 2005-01-12 | 2005-01-12 | 高密度球形磷酸铁锂及磷酸锰铁锂的制备方法 |
Country Status (1)
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CN (1) | CN1305148C (zh) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
CN100371239C (zh) * | 2006-03-20 | 2008-02-27 | 清华大学 | 微波加热制备高密度磷酸铁锂的方法 |
CN100361893C (zh) * | 2006-03-30 | 2008-01-16 | 上海交通大学 | 用磷酸铁制备碳包覆磷酸亚铁锂的方法 |
CN101559340B (zh) * | 2009-05-18 | 2012-01-25 | 中国科学院长春应用化学研究所 | 一种制备无团聚纳米材料的方法 |
CN101944601B (zh) * | 2010-09-27 | 2012-08-01 | 彩虹集团公司 | 一种纳米磷酸铁锂均匀碳包覆的方法 |
CN101935028B (zh) * | 2010-09-27 | 2012-01-04 | 彩虹集团公司 | 一种高振实密度纳米磷酸铁锂的制备方法 |
CN102044666B (zh) * | 2010-11-19 | 2013-03-13 | 杭州电子科技大学 | 一种锂电池用磷酸铁锂复合材料的制备方法 |
CN102110812A (zh) * | 2011-01-24 | 2011-06-29 | 河南红日锂能源科技有限公司 | 一种碳纳米管复合磷酸亚铁锂动力电池材料的制备方法 |
JP5736965B2 (ja) * | 2011-05-27 | 2015-06-17 | 日立金属株式会社 | リチウム二次電池用正極活物質とその製造方法、リチウム二次電池用正極、及びリチウム二次電池 |
CN103887491B (zh) * | 2012-12-24 | 2016-08-10 | 上海比亚迪有限公司 | 一种锂离子电池正极活性材料LiMnxFe1-xPO4/C的制备方法 |
CN103545522A (zh) * | 2013-07-10 | 2014-01-29 | 江苏华东锂电技术研究院有限公司 | 锂离子电池正极活性材料的制备方法 |
CN105514430A (zh) * | 2015-12-30 | 2016-04-20 | 山东精工电子科技有限公司 | 一种球形磷酸铁锰锂正极材料及其制备方法 |
CN108306003B (zh) * | 2018-01-29 | 2020-03-27 | 蒋央芳 | 一种磷酸锰铁的制备方法 |
CN110591688B (zh) * | 2019-09-06 | 2023-12-01 | 华南理工大学 | 一种包裹量子点的相变石蜡微胶囊、led器件及制备方法 |
CN113942990B (zh) * | 2021-08-25 | 2023-06-20 | 北京当升材料科技股份有限公司 | 磷酸锰铁锂前驱体、磷酸锰铁锂正极材料及其制备方法和电极材料、电极以及锂离子电池 |
CN114649530A (zh) * | 2022-03-28 | 2022-06-21 | 湖北云翔聚能新能源科技有限公司 | 钒钛掺杂复合碳纳米管的纳米磷酸锰铁锂材料的制备方法及该纳米磷酸锰铁锂材料 |
CN114933292B (zh) * | 2022-05-25 | 2023-08-11 | 广东邦普循环科技有限公司 | 一种磷酸铁锂的制备方法及其应用 |
CN115057426B (zh) * | 2022-06-17 | 2024-02-13 | 德阳川发龙蟒新材料有限公司 | 一种高倍率和高压实的磷酸锰铁锂的制备方法 |
CN115020664B (zh) * | 2022-06-17 | 2024-04-05 | 蜂巢能源科技股份有限公司 | 一种磷酸锰铁锂正极材料及其制备方法和应用 |
Citations (5)
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CN1148738A (zh) * | 1995-04-26 | 1997-04-30 | 日本电池株式会社 | 用于锂电池的正极活性材料及其制备方法 |
US5910382A (en) * | 1996-04-23 | 1999-06-08 | Board Of Regents, University Of Texas Systems | Cathode materials for secondary (rechargeable) lithium batteries |
EP1261050A1 (en) * | 2001-05-23 | 2002-11-27 | n.v. Umicore s.a. | Lithium transition-metal phosphate powder for rechargeable batteries |
CN1410349A (zh) * | 2002-11-28 | 2003-04-16 | 清华大学 | 一种橄榄石结构的多晶LiFePO4粉体制备方法 |
CN1431147A (zh) * | 2003-02-17 | 2003-07-23 | 郑绵平 | 一种制备磷酸铁锂的湿化学方法 |
-
2005
- 2005-01-12 CN CNB2005100020129A patent/CN1305148C/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1148738A (zh) * | 1995-04-26 | 1997-04-30 | 日本电池株式会社 | 用于锂电池的正极活性材料及其制备方法 |
US5910382A (en) * | 1996-04-23 | 1999-06-08 | Board Of Regents, University Of Texas Systems | Cathode materials for secondary (rechargeable) lithium batteries |
EP1261050A1 (en) * | 2001-05-23 | 2002-11-27 | n.v. Umicore s.a. | Lithium transition-metal phosphate powder for rechargeable batteries |
CN1410349A (zh) * | 2002-11-28 | 2003-04-16 | 清华大学 | 一种橄榄石结构的多晶LiFePO4粉体制备方法 |
CN1431147A (zh) * | 2003-02-17 | 2003-07-23 | 郑绵平 | 一种制备磷酸铁锂的湿化学方法 |
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CN1632970A (zh) | 2005-06-29 |
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