CN102983332A - 锂离子二次电池正极材料磷酸铁锂的制备方法 - Google Patents
锂离子二次电池正极材料磷酸铁锂的制备方法 Download PDFInfo
- Publication number
- CN102983332A CN102983332A CN2012105373381A CN201210537338A CN102983332A CN 102983332 A CN102983332 A CN 102983332A CN 2012105373381 A CN2012105373381 A CN 2012105373381A CN 201210537338 A CN201210537338 A CN 201210537338A CN 102983332 A CN102983332 A CN 102983332A
- Authority
- CN
- China
- Prior art keywords
- lithium
- source
- ferric
- preparation
- secondary battery
- 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.)
- Pending
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 18
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 239000000463 material Substances 0.000 title abstract description 20
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 title abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 15
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims abstract description 13
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 11
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 claims abstract description 9
- 150000002500 ions Chemical class 0.000 claims abstract description 9
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000002243 precursor Substances 0.000 claims abstract description 7
- 229910052742 iron Inorganic materials 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 238000001354 calcination Methods 0.000 claims abstract description 3
- 238000001035 drying Methods 0.000 claims abstract description 3
- 238000002156 mixing Methods 0.000 claims abstract description 3
- 229910001386 lithium phosphate Inorganic materials 0.000 claims description 17
- TWQULNDIKKJZPH-UHFFFAOYSA-K trilithium;phosphate Chemical compound [Li+].[Li+].[Li+].[O-]P([O-])([O-])=O TWQULNDIKKJZPH-UHFFFAOYSA-K 0.000 claims description 17
- 239000010405 anode material Substances 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 13
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 8
- 238000001694 spray drying Methods 0.000 claims description 8
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 6
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 5
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 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 claims description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000002202 Polyethylene glycol Substances 0.000 claims description 4
- 239000008103 glucose Substances 0.000 claims description 4
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 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
- 229920001223 polyethylene glycol Polymers 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- 229930006000 Sucrose Natural products 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
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 239000005720 sucrose Substances 0.000 claims description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 claims description 2
- 206010013786 Dry skin Diseases 0.000 claims description 2
- 239000005955 Ferric phosphate Substances 0.000 claims description 2
- DQMUQFUTDWISTM-UHFFFAOYSA-N O.[O-2].[Fe+2].[Fe+2].[O-2] Chemical compound O.[O-2].[Fe+2].[Fe+2].[O-2] DQMUQFUTDWISTM-UHFFFAOYSA-N 0.000 claims description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 2
- 229920002125 Sokalan® Polymers 0.000 claims description 2
- 229920002472 Starch Polymers 0.000 claims description 2
- 239000006230 acetylene black Substances 0.000 claims description 2
- 239000003513 alkali Substances 0.000 claims description 2
- 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 claims description 2
- 239000002041 carbon nanotube Substances 0.000 claims description 2
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 2
- 239000008367 deionised water Substances 0.000 claims description 2
- 229910021641 deionized water Inorganic materials 0.000 claims description 2
- YNQRWVCLAIUHHI-UHFFFAOYSA-L dilithium;oxalate Chemical compound [Li+].[Li+].[O-]C(=O)C([O-])=O YNQRWVCLAIUHHI-UHFFFAOYSA-L 0.000 claims description 2
- 229940032958 ferric phosphate Drugs 0.000 claims description 2
- 238000000227 grinding Methods 0.000 claims description 2
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 claims description 2
- 229910000399 iron(III) phosphate Inorganic materials 0.000 claims description 2
- XIXADJRWDQXREU-UHFFFAOYSA-M lithium acetate Chemical compound [Li+].CC([O-])=O XIXADJRWDQXREU-UHFFFAOYSA-M 0.000 claims description 2
- 229910052808 lithium carbonate Inorganic materials 0.000 claims description 2
- SNKMVYBWZDHJHE-UHFFFAOYSA-M lithium;dihydrogen phosphate Chemical compound [Li+].OP(O)([O-])=O SNKMVYBWZDHJHE-UHFFFAOYSA-M 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 239000004584 polyacrylic acid Substances 0.000 claims description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 2
- 239000008107 starch Substances 0.000 claims description 2
- 235000019698 starch Nutrition 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 21
- 230000008569 process Effects 0.000 abstract description 8
- 239000012298 atmosphere Substances 0.000 abstract description 7
- 230000015572 biosynthetic process Effects 0.000 abstract description 6
- 238000003786 synthesis reaction Methods 0.000 abstract description 6
- 229910019142 PO4 Inorganic materials 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract description 4
- 239000002131 composite material Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 229910021645 metal ion Inorganic materials 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 abstract 1
- 239000010452 phosphate Substances 0.000 abstract 1
- 238000004064 recycling Methods 0.000 abstract 1
- 238000010792 warming Methods 0.000 abstract 1
- 238000010790 dilution Methods 0.000 description 6
- 239000012895 dilution Substances 0.000 description 6
- 229910010707 LiFePO 4 Inorganic materials 0.000 description 5
- 229910052493 LiFePO4 Inorganic materials 0.000 description 5
- 230000008901 benefit Effects 0.000 description 5
- 238000001027 hydrothermal synthesis Methods 0.000 description 5
- 238000005245 sintering Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 4
- 238000003980 solgel method Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 3
- 229910013870 LiPF 6 Inorganic materials 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- ZBYYWKJVSFHYJL-UHFFFAOYSA-L cobalt(2+);diacetate;tetrahydrate Chemical class O.O.O.O.[Co+2].CC([O-])=O.CC([O-])=O ZBYYWKJVSFHYJL-UHFFFAOYSA-L 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- AIYYMMQIMJOTBM-UHFFFAOYSA-L nickel(ii) acetate Chemical class [Ni+2].CC([O-])=O.CC([O-])=O AIYYMMQIMJOTBM-UHFFFAOYSA-L 0.000 description 3
- 239000012299 nitrogen atmosphere Substances 0.000 description 3
- 235000021317 phosphate Nutrition 0.000 description 3
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 3
- 238000010532 solid phase synthesis reaction Methods 0.000 description 3
- 239000003643 water by type Substances 0.000 description 3
- 229910010710 LiFePO Inorganic materials 0.000 description 2
- 235000018660 ammonium molybdate Nutrition 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000008139 complexing agent Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 229910000398 iron phosphate Inorganic materials 0.000 description 2
- -1 iron phosphate compound Chemical class 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 229920002565 Polyethylene Glycol 400 Polymers 0.000 description 1
- 229920002651 Polysorbate 85 Polymers 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- ZVBMICJMWIDHGJ-UHFFFAOYSA-K lithium 2-hydroxypropane-1,2,3-tricarboxylic acid iron(2+) phosphate Chemical compound P(=O)([O-])([O-])[O-].[Fe+2].[Li+].C(CC(O)(C(=O)O)CC(=O)O)(=O)O ZVBMICJMWIDHGJ-UHFFFAOYSA-K 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 229940113171 polysorbate 85 Drugs 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000003836 solid-state method Methods 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
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
Landscapes
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012105373381A CN102983332A (zh) | 2012-12-11 | 2012-12-11 | 锂离子二次电池正极材料磷酸铁锂的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012105373381A CN102983332A (zh) | 2012-12-11 | 2012-12-11 | 锂离子二次电池正极材料磷酸铁锂的制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN102983332A true CN102983332A (zh) | 2013-03-20 |
Family
ID=47857171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2012105373381A Pending CN102983332A (zh) | 2012-12-11 | 2012-12-11 | 锂离子二次电池正极材料磷酸铁锂的制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102983332A (zh) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103618065A (zh) * | 2013-11-20 | 2014-03-05 | 浙江南都电源动力股份有限公司 | 磷酸铁锂材料及其制备方法 |
CN104134787A (zh) * | 2014-07-28 | 2014-11-05 | 湖南工程学院 | 一种多元掺杂磷酸铁锂/碳复合正极材料的合成方法 |
CN109742333A (zh) * | 2018-12-03 | 2019-05-10 | 阜阳师范学院 | 一种PEG辅助合成CoMoO4@NiMoO4复合微米花结构材料的制备方法 |
CN113292058A (zh) * | 2021-05-21 | 2021-08-24 | 衢州华友钴新材料有限公司 | 一种纳米掺杂磷酸铁锂的制备方法 |
CN114744170A (zh) * | 2022-04-02 | 2022-07-12 | 楚能新能源股份有限公司 | 一种改性磷酸铁锂正极材料的制备方法及锂离子电池 |
CN116924374A (zh) * | 2023-07-21 | 2023-10-24 | 阜阳隆能科技有限公司 | 基于离子掺杂的高传输速率的磷酸铁锂正极材料制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101475155A (zh) * | 2008-12-19 | 2009-07-08 | 上海电力学院 | 锂离子电池正极材料磷酸铁锂的制备方法 |
CN102208625A (zh) * | 2011-05-04 | 2011-10-05 | 合肥国轩高科动力能源有限公司 | 锂离子二次电池正极材料磷酸铁锂的制备方法 |
CN102544447A (zh) * | 2010-12-30 | 2012-07-04 | 北京当升材料科技股份有限公司 | 一种锂离子电池正极材料的制备方法 |
-
2012
- 2012-12-11 CN CN2012105373381A patent/CN102983332A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101475155A (zh) * | 2008-12-19 | 2009-07-08 | 上海电力学院 | 锂离子电池正极材料磷酸铁锂的制备方法 |
CN102544447A (zh) * | 2010-12-30 | 2012-07-04 | 北京当升材料科技股份有限公司 | 一种锂离子电池正极材料的制备方法 |
CN102208625A (zh) * | 2011-05-04 | 2011-10-05 | 合肥国轩高科动力能源有限公司 | 锂离子二次电池正极材料磷酸铁锂的制备方法 |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103618065A (zh) * | 2013-11-20 | 2014-03-05 | 浙江南都电源动力股份有限公司 | 磷酸铁锂材料及其制备方法 |
CN103618065B (zh) * | 2013-11-20 | 2016-08-17 | 浙江南都电源动力股份有限公司 | 磷酸铁锂材料及其制备方法 |
CN104134787A (zh) * | 2014-07-28 | 2014-11-05 | 湖南工程学院 | 一种多元掺杂磷酸铁锂/碳复合正极材料的合成方法 |
CN109742333A (zh) * | 2018-12-03 | 2019-05-10 | 阜阳师范学院 | 一种PEG辅助合成CoMoO4@NiMoO4复合微米花结构材料的制备方法 |
CN113292058A (zh) * | 2021-05-21 | 2021-08-24 | 衢州华友钴新材料有限公司 | 一种纳米掺杂磷酸铁锂的制备方法 |
CN114744170A (zh) * | 2022-04-02 | 2022-07-12 | 楚能新能源股份有限公司 | 一种改性磷酸铁锂正极材料的制备方法及锂离子电池 |
CN116924374A (zh) * | 2023-07-21 | 2023-10-24 | 阜阳隆能科技有限公司 | 基于离子掺杂的高传输速率的磷酸铁锂正极材料制备方法 |
CN116924374B (zh) * | 2023-07-21 | 2024-04-30 | 阜阳隆能科技有限公司 | 基于离子掺杂的高传输速率的磷酸铁锂正极材料制备方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106876705B (zh) | 一种原位合成碳/碳纳米管包覆磷酸铁锂复合材料的制备方法 | |
CN103123968B (zh) | 一种高性能磷酸铁锂正极材料及其制备方法 | |
Pan et al. | Hydrothermal synthesis of well-dispersed LiMnPO4 plates for lithium ion batteries cathode | |
US20200328406A1 (en) | Layered lithium-rich manganese-based cathode material with olivine structured limpo4 surface modification and preparation method thereof | |
CN104752718B (zh) | 一种LiMnxFe1‑xPO4正极活性材料及其制备方法 | |
CN101789504B (zh) | 一种纳米级LiFe1-xMxPO4/C锂磷酸盐系复合正极材料的制备方法 | |
CN103956485B (zh) | 一种三维分级结构的磷酸铁锂电极材料及其制备方法 | |
CN101826617B (zh) | 磷酸铁锂的制备方法 | |
CN102427131A (zh) | 锂离子电池正极材料金属镁掺杂的磷酸锰锂/碳制备方法 | |
CN102623708A (zh) | 锂离子电池正极用磷酸钒锂/石墨烯复合材料的制备方法 | |
CN101237043A (zh) | 以高活性无序磷酸铁制备磷酸亚铁锂/碳复合材料的方法 | |
CN101699639A (zh) | 碳包覆纳米磷酸铁锂复合正极材料的制备方法 | |
CN102881903A (zh) | 一种多孔磷酸铁锂粉体的制备方法 | |
CN102201275A (zh) | 锂盐-石墨烯复合材料及其制备方法与应用 | |
CN101734637A (zh) | 一种锂离子电池用正极材料磷酸钒锂粉体的制备方法 | |
CN102790213A (zh) | 一种球形锂离子电池正极材料磷酸锰锂/碳的制备方法 | |
CN102104143A (zh) | 一种高性能动力电池用复合材料的水热合成法 | |
CN102208625B (zh) | 锂离子二次电池正极材料磷酸铁锂的制备方法 | |
CN102082264A (zh) | 纳米锂离子电池活性电极材料前驱体的制备方法及应用 | |
CN102623701B (zh) | 一种低温型纳米磷酸铁锂正极材料的制备方法 | |
CN101081695A (zh) | 一种掺杂改性的磷酸铁锂的制备方法 | |
CN101989653B (zh) | 超微球颗粒连接的锂离子电池用球形正极材料及其制备方法 | |
CN102983332A (zh) | 锂离子二次电池正极材料磷酸铁锂的制备方法 | |
CN104681814B (zh) | 一种具有多孔星形形貌的锂离子电池正极材料LiFePO4及其制备方法 | |
CN103746117A (zh) | 镁离子掺杂锂离子电池正极磷酸钒锂/碳材料的制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C53 | Correction of patent of invention or patent application | ||
CB02 | Change of applicant information |
Address after: 311305, No. 72, landscape Avenue, Qingshan Town, Ling'an Economic Development Zone, Zhejiang, Hangzhou Applicant after: Nandu Electric Power Co., Ltd., Zhejiang Applicant after: Hangzhou Narada Battery Co., Ltd Applicant after: Hangzhou Nandu Energy Technology Co., Ltd. Address before: 310013 No. 50 Bauhinia Road, Zhejiang, Hangzhou Applicant before: Nandu Electric Power Co., Ltd., Zhejiang Applicant before: Hangzhou Narada Battery Co., Ltd Applicant before: Hangzhou Nandu Energy Technology Co., Ltd. |
|
C53 | Correction of patent of invention or patent application | ||
CB02 | Change of applicant information |
Address after: 311305 Ling'an Qingshan Lake Street landscape Avenue, No. 72, No. Applicant after: Nandu Electric Power Co., Ltd., Zhejiang Applicant after: Hangzhou Narada Battery Co., Ltd Applicant after: Hangzhou Nandu Energy Technology Co., Ltd. Address before: 311305, No. 72, landscape Avenue, Qingshan Town, Ling'an Economic Development Zone, Zhejiang, Hangzhou Applicant before: Nandu Electric Power Co., Ltd., Zhejiang Applicant before: Hangzhou Narada Battery Co., Ltd Applicant before: Hangzhou Nandu Energy Technology Co., Ltd. |
|
C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130320 |