CN102522546B - 纳米锂离子电池级正极材料磷酸亚铁锂的制备方法 - Google Patents
纳米锂离子电池级正极材料磷酸亚铁锂的制备方法 Download PDFInfo
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- CN102522546B CN102522546B CN201110443969.2A CN201110443969A CN102522546B CN 102522546 B CN102522546 B CN 102522546B CN 201110443969 A CN201110443969 A CN 201110443969A CN 102522546 B CN102522546 B CN 102522546B
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 14
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 title abstract description 8
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title abstract description 7
- 239000010406 cathode material Substances 0.000 title abstract 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 66
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 64
- 229910052493 LiFePO4 Inorganic materials 0.000 claims abstract description 37
- 150000001875 compounds Chemical class 0.000 claims abstract description 34
- 239000000203 mixture Substances 0.000 claims abstract description 34
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000002002 slurry Substances 0.000 claims abstract description 18
- 239000012298 atmosphere Substances 0.000 claims abstract description 14
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 13
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000013078 crystal Substances 0.000 claims abstract description 8
- 239000010450 olivine Substances 0.000 claims abstract description 8
- 229910052609 olivine Inorganic materials 0.000 claims abstract description 8
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 8
- 230000001681 protective effect Effects 0.000 claims abstract description 8
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000011574 phosphorus Substances 0.000 claims abstract description 6
- 239000011164 primary particle Substances 0.000 claims abstract description 6
- 239000000126 substance Substances 0.000 claims abstract description 6
- 238000004227 thermal cracking Methods 0.000 claims abstract description 5
- 238000002360 preparation method Methods 0.000 claims description 21
- 238000005245 sintering Methods 0.000 claims description 18
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 15
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 14
- 239000003960 organic solvent Substances 0.000 claims description 14
- 239000005955 Ferric phosphate Substances 0.000 claims description 13
- 229940032958 ferric phosphate Drugs 0.000 claims description 13
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 claims description 13
- 229910000399 iron(III) phosphate Inorganic materials 0.000 claims description 13
- 239000002994 raw material Substances 0.000 claims description 13
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- 229910010707 LiFePO 4 Inorganic materials 0.000 claims description 12
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 12
- 238000000498 ball milling Methods 0.000 claims description 10
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 9
- 229920000620 organic polymer Polymers 0.000 claims description 9
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims description 8
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 claims description 8
- 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 7
- 229930006000 Sucrose Natural products 0.000 claims description 7
- 229920001568 phenolic resin Polymers 0.000 claims description 7
- 239000005011 phenolic resin Substances 0.000 claims description 7
- 239000007774 positive electrode material Substances 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 239000005720 sucrose Substances 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 238000002425 crystallisation Methods 0.000 claims description 6
- 230000008025 crystallization Effects 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 5
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 4
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 claims description 4
- 229920000858 Cyclodextrin Polymers 0.000 claims description 4
- 229930091371 Fructose Natural products 0.000 claims description 4
- 239000005715 Fructose Substances 0.000 claims description 4
- RFSUNEUAIZKAJO-ARQDHWQXSA-N Fructose Chemical compound OC[C@H]1O[C@](O)(CO)[C@@H](O)[C@@H]1O RFSUNEUAIZKAJO-ARQDHWQXSA-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
- LKDRXBCSQODPBY-AMVSKUEXSA-N L-(-)-Sorbose Chemical compound OCC1(O)OC[C@H](O)[C@@H](O)[C@@H]1O LKDRXBCSQODPBY-AMVSKUEXSA-N 0.000 claims description 4
- 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 4
- 229920002472 Starch Polymers 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 4
- 230000000996 additive effect Effects 0.000 claims description 4
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims description 4
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 claims description 4
- 229960005070 ascorbic acid Drugs 0.000 claims description 4
- 235000010323 ascorbic acid Nutrition 0.000 claims description 4
- 239000011668 ascorbic acid Substances 0.000 claims description 4
- 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 4
- 229920002301 cellulose acetate Polymers 0.000 claims description 4
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims description 4
- 229910000388 diammonium phosphate Inorganic materials 0.000 claims description 4
- 235000019838 diammonium phosphate Nutrition 0.000 claims description 4
- 239000008157 edible vegetable oil Substances 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 150000002240 furans Chemical class 0.000 claims description 4
- 239000008103 glucose Substances 0.000 claims description 4
- 238000005087 graphitization Methods 0.000 claims description 4
- XIXADJRWDQXREU-UHFFFAOYSA-M lithium acetate Chemical compound [Li+].CC([O-])=O XIXADJRWDQXREU-UHFFFAOYSA-M 0.000 claims description 4
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims description 4
- 229910052808 lithium carbonate Inorganic materials 0.000 claims description 4
- 235000019837 monoammonium phosphate Nutrition 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 229920001451 polypropylene glycol Polymers 0.000 claims description 4
- HFHDHCJBZVLPGP-UHFFFAOYSA-N schardinger α-dextrin Chemical compound O1C(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(O)C2O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC2C(O)C(O)C1OC2CO HFHDHCJBZVLPGP-UHFFFAOYSA-N 0.000 claims description 4
- 239000008107 starch Substances 0.000 claims description 4
- 235000019698 starch Nutrition 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 abstract description 13
- 239000002131 composite material Substances 0.000 abstract description 5
- 238000002156 mixing Methods 0.000 abstract description 3
- 239000002904 solvent Substances 0.000 abstract description 3
- 229910052742 iron Inorganic materials 0.000 abstract description 2
- 239000002243 precursor Substances 0.000 abstract 2
- 238000001354 calcination Methods 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 239000000470 constituent Substances 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 238000000227 grinding Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 20
- 238000000197 pyrolysis Methods 0.000 description 7
- 239000000243 solution Substances 0.000 description 6
- 239000006258 conductive agent Substances 0.000 description 4
- 235000019441 ethanol Nutrition 0.000 description 4
- 229910010710 LiFePO Inorganic materials 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 150000005207 1,3-dihydroxybenzenes Chemical class 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 1
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- ZTOZIUYGNMLJES-UHFFFAOYSA-K [Li+].[C+4].[Fe+2].[O-]P([O-])([O-])=O Chemical compound [Li+].[C+4].[Fe+2].[O-]P([O-])([O-])=O ZTOZIUYGNMLJES-UHFFFAOYSA-K 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000004137 mechanical activation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 150000004040 pyrrolidinones Chemical class 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 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
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- Battery Electrode And Active Subsutance (AREA)
Abstract
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CN201110443969.2A CN102522546B (zh) | 2011-12-27 | 2011-12-27 | 纳米锂离子电池级正极材料磷酸亚铁锂的制备方法 |
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CN102522546A CN102522546A (zh) | 2012-06-27 |
CN102522546B true CN102522546B (zh) | 2014-11-19 |
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Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102760879B (zh) * | 2012-08-01 | 2014-10-15 | 东北师范大学 | 具有稳定低温性能的纳米磷酸亚铁锂/碳复合物的制备方法 |
CN103346323B (zh) * | 2013-06-26 | 2015-11-04 | 湖北大学 | 一种以聚苯乙烯微球和聚乙二醇为碳源的碳包覆磷酸铁锂材料的制备方法 |
CN105789562A (zh) * | 2016-03-04 | 2016-07-20 | 贵州安达科技能源股份有限公司 | 一种锂离子电池正极活性材料及其制备方法、锂离子电池正极和锂离子电池 |
CN105905879A (zh) * | 2016-04-14 | 2016-08-31 | 江苏金和源新材料有限公司 | 纳米晶高倍率磷酸铁锂的制备方法 |
CN107623117B (zh) * | 2017-10-10 | 2020-12-11 | 合肥国轩高科动力能源有限公司 | 一种高容量、高振实密度磷酸铁锂材料的制备方法 |
CN108172813B (zh) * | 2018-02-01 | 2020-12-08 | 广东工业大学 | 一种复合正极材料及其制备方法 |
CN109411715A (zh) * | 2018-09-14 | 2019-03-01 | 华南理工大学 | 一种高性能磷酸锰铁锂正极材料及其制备方法 |
CN109411707A (zh) * | 2018-10-30 | 2019-03-01 | 郭和俊 | 一种磷酸铁锂电芯的制备方法 |
CN111185604B (zh) * | 2018-11-15 | 2023-04-18 | 中国石油化工股份有限公司 | 碳包覆铁及碳化铁纳米复合材料及其制备方法 |
CN109560281A (zh) * | 2018-12-24 | 2019-04-02 | 桑顿新能源科技有限公司 | 一种碳包覆的磷酸铁锂正极材料及其制备方法和锂电池 |
CN109921003A (zh) * | 2019-04-18 | 2019-06-21 | 王东升 | 一种高压实磷酸铁锂的制备方法 |
CN111740101B (zh) * | 2020-06-17 | 2022-07-08 | 东莞东阳光科研发有限公司 | 磷酸铁锂材料及其制备方法 |
CN112151804B (zh) * | 2020-09-27 | 2022-10-04 | 广州大学 | 一种基于普鲁士蓝类似物的碳包覆过渡金属氧化物及其制备方法和应用 |
CN112563472A (zh) * | 2020-12-16 | 2021-03-26 | 远景动力技术(江苏)有限公司 | 聚合物复合磷酸铁锂正极材料及其制备方法 |
CN115259123A (zh) * | 2021-04-29 | 2022-11-01 | 四川大学 | 一种均匀碳包覆纳米磷酸铁锂的制备方法及高倍率锂离子电池 |
CN113651304B (zh) * | 2021-08-09 | 2023-10-13 | 天津理工大学 | 有机碳包覆磷酸铁锂正极材料及其制备方法 |
CN114335517B (zh) * | 2021-12-31 | 2023-07-14 | 欣旺达电动汽车电池有限公司 | 碳复合磷酸铁锂正极材料、其制备方法及应用 |
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 |
CN115775878A (zh) * | 2022-12-29 | 2023-03-10 | 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与用途 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101152959A (zh) * | 2006-09-30 | 2008-04-02 | 中南大学 | 磷酸铁锂系复合氧化物的制备方法 |
CN101494288A (zh) * | 2008-01-27 | 2009-07-29 | 比亚迪股份有限公司 | 一种锂离子二次电池正极材料磷酸铁锂的制备方法 |
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US8088305B2 (en) * | 2008-02-22 | 2012-01-03 | Byd Company Limited | Lithium iron phosphate cathode material |
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101152959A (zh) * | 2006-09-30 | 2008-04-02 | 中南大学 | 磷酸铁锂系复合氧化物的制备方法 |
CN101494288A (zh) * | 2008-01-27 | 2009-07-29 | 比亚迪股份有限公司 | 一种锂离子二次电池正极材料磷酸铁锂的制备方法 |
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