CN102502563B - 一种球状LiFePO4微晶的制备方法 - Google Patents
一种球状LiFePO4微晶的制备方法 Download PDFInfo
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- CN102502563B CN102502563B CN2011103749102A CN201110374910A CN102502563B CN 102502563 B CN102502563 B CN 102502563B CN 2011103749102 A CN2011103749102 A CN 2011103749102A CN 201110374910 A CN201110374910 A CN 201110374910A CN 102502563 B CN102502563 B CN 102502563B
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- 238000000034 method Methods 0.000 title abstract description 17
- 229910052493 LiFePO4 Inorganic materials 0.000 title abstract 4
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000006243 chemical reaction Methods 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000012153 distilled water Substances 0.000 claims abstract description 23
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000002360 preparation method Methods 0.000 claims abstract description 14
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 13
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000008367 deionised water Substances 0.000 claims abstract description 8
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 8
- 238000001291 vacuum drying Methods 0.000 claims abstract description 8
- 229910010707 LiFePO 4 Inorganic materials 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 14
- 230000035484 reaction time Effects 0.000 claims description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 238000005119 centrifugation Methods 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 7
- 229960000935 dehydrated alcohol Drugs 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 7
- 238000003760 magnetic stirring Methods 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 238000012856 packing Methods 0.000 claims description 7
- 239000007791 liquid phase Substances 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract 4
- 239000000376 reactant Substances 0.000 abstract 4
- 229910000904 FeC2O4 Inorganic materials 0.000 abstract 1
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 abstract 1
- 229910001873 dinitrogen Inorganic materials 0.000 abstract 1
- 235000019441 ethanol Nutrition 0.000 abstract 1
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 abstract 1
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 abstract 1
- 229910052808 lithium carbonate Inorganic materials 0.000 abstract 1
- 238000012805 post-processing Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 42
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 15
- 229910010710 LiFePO Inorganic materials 0.000 description 9
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 5
- 229910001416 lithium ion Inorganic materials 0.000 description 5
- 239000000843 powder Substances 0.000 description 4
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000003836 solid-state method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- -1 iron phosphates Chemical class 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000000593 microemulsion method Methods 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 239000011858 nanopowder Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000010450 olivine Substances 0.000 description 1
- 229910052609 olivine Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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- 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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CN2011103749102A CN102502563B (zh) | 2011-11-23 | 2011-11-23 | 一种球状LiFePO4微晶的制备方法 |
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CN2011103749102A CN102502563B (zh) | 2011-11-23 | 2011-11-23 | 一种球状LiFePO4微晶的制备方法 |
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CN102502563A CN102502563A (zh) | 2012-06-20 |
CN102502563B true CN102502563B (zh) | 2013-10-09 |
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Families Citing this family (6)
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CN102765708B (zh) * | 2012-07-09 | 2014-06-04 | 陕西科技大学 | 微波水热合成锂离子电池正极材料磷酸铁锂的方法 |
WO2014056143A1 (zh) * | 2012-10-09 | 2014-04-17 | 上海交通大学 | 磷酸铁锂材料及其制备方法 |
CN103708434B (zh) * | 2012-10-09 | 2017-10-17 | 上海交通大学 | 磷酸铁锂材料及其制备方法 |
CN106744777B (zh) * | 2016-12-27 | 2019-04-02 | 陕西科技大学 | 一种NaFePO4纳米球的制备方法 |
CN108807985A (zh) * | 2017-04-26 | 2018-11-13 | 中国科学院福建物质结构研究所 | 橄榄石型锂电池正极材料磷酸亚铁锂的微波水热合成方法 |
CN110620217A (zh) * | 2019-06-28 | 2019-12-27 | 湖北虹润高科新材料有限公司 | 一种锌掺杂磷酸铁锂/碳复合材料及制备方法 |
Citations (5)
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CN101764217A (zh) * | 2009-12-25 | 2010-06-30 | 奇瑞汽车股份有限公司 | 一种纳米级磷酸铁锂的制备方法 |
CN101764215A (zh) * | 2009-10-14 | 2010-06-30 | 孙琦 | 一种制备锂离子电池正极材料磷酸铁锂的水热合成方法 |
CN102040211A (zh) * | 2010-10-29 | 2011-05-04 | 北京工业大学 | 一种合成锂离子电池正极材料LiFePO4的方法 |
CN102074690A (zh) * | 2010-12-24 | 2011-05-25 | 复旦大学 | 一种用可控碳包覆FePO4合成电池正极材料LiFePO4的方法 |
CN101327922B (zh) * | 2008-07-07 | 2011-07-27 | 杭州金马能源科技有限公司 | 一种LiFePO4的制备方法 |
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US20110110838A1 (en) * | 2009-07-10 | 2011-05-12 | Intematix Corporation | METHOD OF SOLID-LIQUID MIXING GEL PROCESS FOR LiFePO4 SYNTHESIS |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN101327922B (zh) * | 2008-07-07 | 2011-07-27 | 杭州金马能源科技有限公司 | 一种LiFePO4的制备方法 |
CN101764215A (zh) * | 2009-10-14 | 2010-06-30 | 孙琦 | 一种制备锂离子电池正极材料磷酸铁锂的水热合成方法 |
CN101764217A (zh) * | 2009-12-25 | 2010-06-30 | 奇瑞汽车股份有限公司 | 一种纳米级磷酸铁锂的制备方法 |
CN102040211A (zh) * | 2010-10-29 | 2011-05-04 | 北京工业大学 | 一种合成锂离子电池正极材料LiFePO4的方法 |
CN102074690A (zh) * | 2010-12-24 | 2011-05-25 | 复旦大学 | 一种用可控碳包覆FePO4合成电池正极材料LiFePO4的方法 |
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