CN103474616A - 一种碳包覆硅酸铁锂正极材料的溶胶沉淀制备方法 - Google Patents
一种碳包覆硅酸铁锂正极材料的溶胶沉淀制备方法 Download PDFInfo
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- CN103474616A CN103474616A CN2013103831553A CN201310383155A CN103474616A CN 103474616 A CN103474616 A CN 103474616A CN 2013103831553 A CN2013103831553 A CN 2013103831553A CN 201310383155 A CN201310383155 A CN 201310383155A CN 103474616 A CN103474616 A CN 103474616A
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 36
- 238000001556 precipitation Methods 0.000 title claims abstract description 13
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 title abstract 2
- QSNQXZYQEIKDPU-UHFFFAOYSA-N [Li].[Fe] Chemical compound [Li].[Fe] QSNQXZYQEIKDPU-UHFFFAOYSA-N 0.000 title abstract 2
- 239000010406 cathode material Substances 0.000 title abstract 2
- 239000002002 slurry Substances 0.000 claims abstract description 26
- 238000003756 stirring Methods 0.000 claims abstract description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 16
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 15
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000002243 precursor Substances 0.000 claims abstract description 14
- 239000000919 ceramic Substances 0.000 claims abstract description 13
- 239000000839 emulsion Substances 0.000 claims abstract description 13
- 239000012528 membrane Substances 0.000 claims abstract description 13
- 238000005406 washing Methods 0.000 claims abstract description 13
- 230000032683 aging Effects 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 10
- VXEGSRKPIUDPQT-UHFFFAOYSA-N 4-[4-(4-methoxyphenyl)piperazin-1-yl]aniline Chemical compound C1=CC(OC)=CC=C1N1CCN(C=2C=CC(N)=CC=2)CC1 VXEGSRKPIUDPQT-UHFFFAOYSA-N 0.000 claims abstract description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 150000002500 ions Chemical class 0.000 claims abstract description 7
- 229910021392 nanocarbon Inorganic materials 0.000 claims abstract description 7
- 239000005049 silicon tetrachloride Substances 0.000 claims abstract description 7
- 238000005245 sintering Methods 0.000 claims abstract description 7
- 238000001694 spray drying Methods 0.000 claims abstract description 7
- 229910052742 iron Inorganic materials 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 24
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 24
- 239000007864 aqueous solution Substances 0.000 claims description 22
- 238000006243 chemical reaction Methods 0.000 claims description 20
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 15
- 239000000243 solution Substances 0.000 claims description 13
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 12
- 239000007774 positive electrode material Substances 0.000 claims description 9
- IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Chemical compound [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 claims description 8
- 239000000203 mixture Substances 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 6
- 229930006000 Sucrose Natural products 0.000 claims description 6
- 239000005720 sucrose Substances 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 4
- 229920001353 Dextrin Polymers 0.000 claims description 4
- 239000004375 Dextrin Substances 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
- 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
- 235000019425 dextrin Nutrition 0.000 claims description 4
- 239000008103 glucose Substances 0.000 claims description 4
- XIXADJRWDQXREU-UHFFFAOYSA-M lithium acetate Chemical compound [Li+].CC([O-])=O XIXADJRWDQXREU-UHFFFAOYSA-M 0.000 claims description 4
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 3
- 229910002651 NO3 Inorganic materials 0.000 claims description 3
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 3
- MCDLETWIOVSGJT-UHFFFAOYSA-N acetic acid;iron Chemical compound [Fe].CC(O)=O.CC(O)=O MCDLETWIOVSGJT-UHFFFAOYSA-N 0.000 claims description 3
- 239000012298 atmosphere Substances 0.000 claims description 2
- 239000011790 ferrous sulphate Substances 0.000 claims description 2
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 2
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 2
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 10
- 239000002245 particle Substances 0.000 abstract description 10
- 238000009826 distribution Methods 0.000 abstract description 5
- 238000002156 mixing Methods 0.000 abstract description 4
- 239000000843 powder Substances 0.000 abstract description 3
- 229910009731 Li2FeSiO4 Inorganic materials 0.000 abstract 2
- 239000003513 alkali Substances 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 238000009776 industrial production Methods 0.000 abstract 1
- 239000011261 inert gas Substances 0.000 abstract 1
- 230000001737 promoting effect Effects 0.000 abstract 1
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000012299 nitrogen atmosphere Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 230000004087 circulation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001027 hydrothermal synthesis Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000010532 solid phase synthesis reaction Methods 0.000 description 2
- 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
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000010189 synthetic method Methods 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)
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107093736A (zh) * | 2017-06-14 | 2017-08-25 | 苏州思创源博电子科技有限公司 | 一种碳复合型硅酸亚铁锂复合材料的制备方法 |
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 |
CN108467047A (zh) * | 2018-05-08 | 2018-08-31 | 方嘉城 | 一种硅酸铁锂的制备方法 |
CN108807988A (zh) * | 2018-07-25 | 2018-11-13 | 四川理工学院 | 一种锂离子电池用球形硅酸亚铁锂正极材料的制备方法 |
CN109231224A (zh) * | 2018-08-29 | 2019-01-18 | 郑忆依 | 一种硅酸铁锂的制备方法 |
CN111081997A (zh) * | 2019-11-25 | 2020-04-28 | 德阳威旭锂电科技有限责任公司 | 一种复合碳源包覆纳米磷酸系锂离子正极材料的制备方法 |
CN114535586A (zh) * | 2022-02-28 | 2022-05-27 | 张五星 | 一种锂硅合金/碳复合材料的制备方法、产品及应用 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101794878A (zh) * | 2010-01-29 | 2010-08-04 | 北大先行科技产业有限公司 | 一种制备聚阴离子型锂离子电池正极材料的方法 |
CN102201574B (zh) * | 2011-04-14 | 2013-04-24 | 武汉理工大学 | 一种含氧空位硅酸亚铁锂与碳复合正极材料及制备方法 |
CN102208647A (zh) * | 2011-05-13 | 2011-10-05 | 天津大学 | 结晶碳包覆硅酸亚铁锂正极材料及制备方法 |
CN102664262A (zh) * | 2012-05-18 | 2012-09-12 | 哈尔滨工业大学 | 一种锂离子电池用硅酸亚铁锂/碳正极材料的制备方法 |
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2013
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107093736A (zh) * | 2017-06-14 | 2017-08-25 | 苏州思创源博电子科技有限公司 | 一种碳复合型硅酸亚铁锂复合材料的制备方法 |
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 |
CN108467047A (zh) * | 2018-05-08 | 2018-08-31 | 方嘉城 | 一种硅酸铁锂的制备方法 |
CN108807988A (zh) * | 2018-07-25 | 2018-11-13 | 四川理工学院 | 一种锂离子电池用球形硅酸亚铁锂正极材料的制备方法 |
CN108807988B (zh) * | 2018-07-25 | 2021-04-20 | 四川理工学院 | 一种锂离子电池用球形硅酸亚铁锂正极材料的制备方法 |
CN109231224A (zh) * | 2018-08-29 | 2019-01-18 | 郑忆依 | 一种硅酸铁锂的制备方法 |
CN111081997A (zh) * | 2019-11-25 | 2020-04-28 | 德阳威旭锂电科技有限责任公司 | 一种复合碳源包覆纳米磷酸系锂离子正极材料的制备方法 |
CN114535586A (zh) * | 2022-02-28 | 2022-05-27 | 张五星 | 一种锂硅合金/碳复合材料的制备方法、产品及应用 |
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