CN109440128B - 在熔盐中电修饰钛酸锂的方法 - Google Patents
在熔盐中电修饰钛酸锂的方法 Download PDFInfo
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- CN109440128B CN109440128B CN201811399129.9A CN201811399129A CN109440128B CN 109440128 B CN109440128 B CN 109440128B CN 201811399129 A CN201811399129 A CN 201811399129A CN 109440128 B CN109440128 B CN 109440128B
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- molten salt
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- lithium titanate
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- 150000003839 salts Chemical class 0.000 title claims abstract description 86
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 60
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 51
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 20
- 239000004020 conductor Substances 0.000 claims abstract description 14
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 13
- 239000011780 sodium chloride Substances 0.000 claims abstract description 10
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 229910052808 lithium carbonate Inorganic materials 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 238000005245 sintering Methods 0.000 claims abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 25
- 229910002804 graphite Inorganic materials 0.000 claims description 25
- 239000010439 graphite Substances 0.000 claims description 25
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 18
- 229910052593 corundum Inorganic materials 0.000 claims description 9
- 239000010431 corundum Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 235000011164 potassium chloride Nutrition 0.000 claims description 9
- 239000001103 potassium chloride Substances 0.000 claims description 9
- BUKHSQBUKZIMLB-UHFFFAOYSA-L potassium;sodium;dichloride Chemical group [Na+].[Cl-].[Cl-].[K+] BUKHSQBUKZIMLB-UHFFFAOYSA-L 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 4
- 238000002791 soaking Methods 0.000 claims description 4
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 239000011733 molybdenum Substances 0.000 claims description 3
- 235000010333 potassium nitrate Nutrition 0.000 claims description 2
- 239000004323 potassium nitrate Substances 0.000 claims description 2
- MCXBMLBTPQEQJP-UHFFFAOYSA-N potassium;sodium;dinitrate Chemical compound [Na+].[K+].[O-][N+]([O-])=O.[O-][N+]([O-])=O MCXBMLBTPQEQJP-UHFFFAOYSA-N 0.000 claims description 2
- 235000010344 sodium nitrate Nutrition 0.000 claims description 2
- 239000004317 sodium nitrate Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 2
- 239000010406 cathode material Substances 0.000 abstract description 2
- 230000008859 change Effects 0.000 abstract description 2
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 239000010936 titanium Substances 0.000 description 24
- 238000006243 chemical reaction Methods 0.000 description 12
- 239000002245 particle Substances 0.000 description 12
- 238000012986 modification Methods 0.000 description 11
- 230000004048 modification Effects 0.000 description 9
- 229910009866 Ti5O12 Inorganic materials 0.000 description 8
- 230000001681 protective effect Effects 0.000 description 5
- 229910002986 Li4Ti5O12 Inorganic materials 0.000 description 4
- 239000007772 electrode material Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 4
- 239000004570 mortar (masonry) Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- 238000005303 weighing Methods 0.000 description 4
- 238000000026 X-ray photoelectron spectrum Methods 0.000 description 3
- -1 alkali metal salt Chemical class 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000002243 precursor Substances 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical group [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000036760 body temperature Effects 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000001308 synthesis method Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 229910021047 KNO3—NaNO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910001615 alkaline earth metal halide Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000002608 ionic liquid Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 150000002641 lithium Chemical class 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910001960 metal nitrate Inorganic materials 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 230000034655 secondary growth Effects 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000003746 solid phase reaction Methods 0.000 description 1
- 238000010532 solid phase synthesis reaction Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/14—Alkali metal compounds
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Battery Electrode And Active Subsutance (AREA)
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CN109440128B true CN109440128B (zh) | 2021-02-09 |
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US5750272A (en) * | 1995-02-10 | 1998-05-12 | The Research Foundation Of State University Of New York | Active and adaptive damping devices for shock and noise suppression |
CN104091938A (zh) * | 2014-06-30 | 2014-10-08 | 北京工业大学 | 一种类球形钛酸锂负极材料的熔盐制备方法 |
CN104638238B (zh) * | 2015-01-26 | 2017-06-13 | 北京理工大学 | 一种制备Ti3+自掺杂的Li4Ti5O12‑TiO2材料的方法 |
CN105810901A (zh) * | 2016-03-14 | 2016-07-27 | 中国科学院广州能源研究所 | 一种Ti3+/Ti4+混合价态的掺杂铁元素的锂离子电池钛酸锂负极材料及其制备方法 |
CN105845924B (zh) * | 2016-05-23 | 2019-01-15 | 扬州大学 | 氟掺杂的钛酸锂纳米片的制备方法 |
CN106252644A (zh) * | 2016-08-26 | 2016-12-21 | 浙江长兴金太阳电源有限公司 | 一种锂离子电池用铥掺杂钛酸锂正极材料的制备方法 |
CN107808957A (zh) * | 2017-10-31 | 2018-03-16 | 攀钢集团攀枝花钢铁研究院有限公司 | 钛酸锂掺杂三价钛的方法 |
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Address after: 610306 Chengdu City, Chengdu, Sichuan, China (Sichuan) free trade test zone, Chengdu City, Qingbaijiang District, xiangdao Boulevard, Chengxiang Town, No. 1509 (room 13, A District, railway port mansion), room 1319 Patentee after: Chengdu advanced metal material industry technology Research Institute Co.,Ltd. Address before: 610306 Chengdu City, Chengdu, Sichuan, China (Sichuan) free trade test zone, Chengdu City, Qingbaijiang District, xiangdao Boulevard, Chengxiang Town, No. 1509 (room 13, A District, railway port mansion), room 1319 Patentee before: CHENGDU ADVANCED METAL MATERIAL INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. |
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