CN102723488A - 一种高倍率性能钒掺杂硅酸铁锂正极材料及其制备方法 - Google Patents
一种高倍率性能钒掺杂硅酸铁锂正极材料及其制备方法 Download PDFInfo
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- CN102723488A CN102723488A CN2012102078410A CN201210207841A CN102723488A CN 102723488 A CN102723488 A CN 102723488A CN 2012102078410 A CN2012102078410 A CN 2012102078410A CN 201210207841 A CN201210207841 A CN 201210207841A CN 102723488 A CN102723488 A CN 102723488A
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- vanadium
- positive electrode
- high rate
- electrode material
- ferric metasilicate
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- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 title abstract description 11
- 238000002360 preparation method Methods 0.000 title abstract description 7
- QSNQXZYQEIKDPU-UHFFFAOYSA-N [Li].[Fe] Chemical compound [Li].[Fe] QSNQXZYQEIKDPU-UHFFFAOYSA-N 0.000 title abstract description 5
- 239000010405 anode material Substances 0.000 title abstract description 4
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims abstract description 51
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 42
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000000243 solution Substances 0.000 claims abstract description 36
- 239000000843 powder Substances 0.000 claims abstract description 27
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 22
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 16
- 238000005245 sintering Methods 0.000 claims abstract description 16
- 235000006408 oxalic acid Nutrition 0.000 claims abstract description 15
- 229910003002 lithium salt Inorganic materials 0.000 claims abstract description 13
- 159000000002 lithium salts Chemical class 0.000 claims abstract description 13
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000000498 ball milling Methods 0.000 claims abstract description 10
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 238000007873 sieving Methods 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 239000011259 mixed solution Substances 0.000 claims abstract description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 53
- 229910052744 lithium Inorganic materials 0.000 claims description 53
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 32
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 25
- 229910052710 silicon Inorganic materials 0.000 claims description 25
- 239000010703 silicon Substances 0.000 claims description 25
- 239000007774 positive electrode material Substances 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 18
- 230000001476 alcoholic effect Effects 0.000 claims description 17
- 229910052742 iron Inorganic materials 0.000 claims description 13
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 12
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 11
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 6
- 229910004283 SiO 4 Inorganic materials 0.000 claims description 5
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 58
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 12
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 12
- 230000004087 circulation Effects 0.000 abstract description 11
- 239000002245 particle Substances 0.000 abstract description 8
- 238000010992 reflux Methods 0.000 abstract description 8
- 239000002243 precursor Substances 0.000 abstract description 7
- 239000013078 crystal Substances 0.000 abstract description 6
- 238000009792 diffusion process Methods 0.000 abstract description 4
- 229910003481 amorphous carbon Inorganic materials 0.000 abstract description 3
- 239000007790 solid phase Substances 0.000 abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 229910003206 NH4VO3 Inorganic materials 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 12
- 238000012546 transfer Methods 0.000 description 8
- 230000014759 maintenance of location Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 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 description 6
- 239000004743 Polypropylene Substances 0.000 description 6
- 239000006230 acetylene black Substances 0.000 description 6
- 239000011149 active material Substances 0.000 description 6
- 239000005030 aluminium foil Substances 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 6
- 239000003792 electrolyte Substances 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 6
- 230000008020 evaporation Effects 0.000 description 6
- 239000011888 foil Substances 0.000 description 6
- 239000008103 glucose Substances 0.000 description 6
- -1 polypropylene Polymers 0.000 description 6
- 229920001155 polypropylene Polymers 0.000 description 6
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 6
- 239000002002 slurry Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 239000008139 complexing agent Substances 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 229920000447 polyanionic polymer Polymers 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 229910052635 ferrosilite Inorganic materials 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 description 1
- 229910012820 LiCoO Inorganic materials 0.000 description 1
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 1
- 229910010710 LiFePO Inorganic materials 0.000 description 1
- 229910015645 LiMn Inorganic materials 0.000 description 1
- 229910015868 MSiO Inorganic materials 0.000 description 1
- 229910018557 Si O Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000012298 atmosphere Substances 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
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Inorganic materials [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 0.000 description 1
- 229910001456 vanadium ion 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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- Silicates, Zeolites, And Molecular Sieves (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
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Claims (9)
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CN201210207841.0A CN102723488B (zh) | 2012-06-22 | 2012-06-22 | 一种钒掺杂硅酸铁锂正极材料及其制备方法 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103367728A (zh) * | 2013-07-23 | 2013-10-23 | 三峡大学 | 一种活化天然石墨改性硅酸铁锂正极材料及其制备方法 |
CN104103836A (zh) * | 2014-07-02 | 2014-10-15 | 三峡大学 | 一种钠和锰共掺杂改性硅酸铁锂正极材料及其制备方法 |
CN105514380A (zh) * | 2015-12-21 | 2016-04-20 | 宁波高新区锦众信息科技有限公司 | 一种锂离子电池用硅酸亚铁锂复合材料的制备方法 |
CN106602046A (zh) * | 2017-02-23 | 2017-04-26 | 中国科学院宁波材料技术与工程研究所 | 一种锂离子电池硅酸盐正极材料及其制备和应用 |
CN107863503A (zh) * | 2017-10-12 | 2018-03-30 | 合肥国轩高科动力能源有限公司 | 一种改性硅酸铁锂正极材料的制备方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1803608A (zh) * | 2006-01-13 | 2006-07-19 | 厦门大学 | 可充锂电池用硅酸锰铁锂/碳复合正极材料及其制备方法 |
CN101982410A (zh) * | 2010-10-15 | 2011-03-02 | 福建师范大学 | 一种掺杂稀土化合物的硅酸亚铁锂正极材料的制备方法 |
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2012
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1803608A (zh) * | 2006-01-13 | 2006-07-19 | 厦门大学 | 可充锂电池用硅酸锰铁锂/碳复合正极材料及其制备方法 |
CN101982410A (zh) * | 2010-10-15 | 2011-03-02 | 福建师范大学 | 一种掺杂稀土化合物的硅酸亚铁锂正极材料的制备方法 |
Non-Patent Citations (1)
Title |
---|
HAO HAO等: "Synthesis, characterization and electrochemical performance of Li2FeSiO4/C cathode materials doped by vanadium at Fe/Si sites for lithium ion batteries", 《JOURNAL OF POWER SOURCES》 * |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103367728A (zh) * | 2013-07-23 | 2013-10-23 | 三峡大学 | 一种活化天然石墨改性硅酸铁锂正极材料及其制备方法 |
CN104103836A (zh) * | 2014-07-02 | 2014-10-15 | 三峡大学 | 一种钠和锰共掺杂改性硅酸铁锂正极材料及其制备方法 |
CN105514380A (zh) * | 2015-12-21 | 2016-04-20 | 宁波高新区锦众信息科技有限公司 | 一种锂离子电池用硅酸亚铁锂复合材料的制备方法 |
CN106602046A (zh) * | 2017-02-23 | 2017-04-26 | 中国科学院宁波材料技术与工程研究所 | 一种锂离子电池硅酸盐正极材料及其制备和应用 |
CN106602046B (zh) * | 2017-02-23 | 2020-01-17 | 中国科学院宁波材料技术与工程研究所 | 一种锂离子电池硅酸盐正极材料及其制备和应用 |
CN107863503A (zh) * | 2017-10-12 | 2018-03-30 | 合肥国轩高科动力能源有限公司 | 一种改性硅酸铁锂正极材料的制备方法 |
CN107863503B (zh) * | 2017-10-12 | 2020-09-11 | 合肥国轩高科动力能源有限公司 | 一种改性硅酸铁锂正极材料的制备方法 |
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