CN103311506B - 一种硅石墨烯包覆钛酸锂复合负极材料的制备方法 - Google Patents
一种硅石墨烯包覆钛酸锂复合负极材料的制备方法 Download PDFInfo
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- CN103311506B CN103311506B CN201310255690.0A CN201310255690A CN103311506B CN 103311506 B CN103311506 B CN 103311506B CN 201310255690 A CN201310255690 A CN 201310255690A CN 103311506 B CN103311506 B CN 103311506B
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- China
- Prior art keywords
- sic
- graphite alkene
- graphite
- lithium titanate
- isopropyl titanate
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- 239000010439 graphite Substances 0.000 title claims abstract description 60
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 60
- -1 graphite alkene Chemical class 0.000 title claims abstract description 42
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 24
- 239000002131 composite material Substances 0.000 title claims abstract description 22
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 239000010405 anode material Substances 0.000 title claims abstract description 13
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 27
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 23
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000000843 powder Substances 0.000 claims abstract description 22
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 17
- 238000003756 stirring Methods 0.000 claims abstract description 15
- 239000012299 nitrogen atmosphere Substances 0.000 claims abstract description 13
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims abstract description 10
- 238000004321 preservation Methods 0.000 claims abstract description 10
- 229910010413 TiO 2 Inorganic materials 0.000 claims abstract description 9
- 238000005406 washing Methods 0.000 claims abstract description 8
- DIOZVWSHACHNRT-UHFFFAOYSA-N 2-(2-prop-2-enoxyethoxy)ethanol Chemical compound OCCOCCOCC=C DIOZVWSHACHNRT-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000002604 ultrasonography Methods 0.000 claims abstract description 5
- 238000006722 reduction reaction Methods 0.000 claims description 20
- 239000005543 nano-size silicon particle Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 8
- 239000000243 solution Substances 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 238000005530 etching Methods 0.000 claims description 4
- 238000004108 freeze drying Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 4
- 150000001336 alkenes Chemical class 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 abstract description 3
- 239000010703 silicon Substances 0.000 abstract description 3
- 229910021389 graphene Inorganic materials 0.000 abstract description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 6
- 229910001416 lithium ion Inorganic materials 0.000 description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002210 silicon-based material Substances 0.000 description 3
- 229910052596 spinel Inorganic materials 0.000 description 3
- 239000011029 spinel Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000005518 electrochemistry Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 1
- 229910001290 LiPF6 Inorganic materials 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011294 coal tar pitch Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 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
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000006138 lithiation reaction Methods 0.000 description 1
- XIXADJRWDQXREU-UHFFFAOYSA-M lithium acetate Chemical compound [Li+].CC([O-])=O XIXADJRWDQXREU-UHFFFAOYSA-M 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000010345 tape casting Methods 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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CN201310255690.0A CN103311506B (zh) | 2013-06-25 | 2013-06-25 | 一种硅石墨烯包覆钛酸锂复合负极材料的制备方法 |
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CN201310255690.0A CN103311506B (zh) | 2013-06-25 | 2013-06-25 | 一种硅石墨烯包覆钛酸锂复合负极材料的制备方法 |
Publications (2)
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CN103311506A CN103311506A (zh) | 2013-09-18 |
CN103311506B true CN103311506B (zh) | 2015-09-23 |
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CN106856241B (zh) * | 2016-12-29 | 2020-08-11 | 南京邮电大学 | 一种多相复合纳米结构负极材料及其制备方法 |
CN108511759B (zh) * | 2018-03-28 | 2021-04-09 | 北京华灿康国际医药研究有限公司 | 一种医疗设备 |
CN108807956A (zh) * | 2018-08-30 | 2018-11-13 | 马鞍山科达普锐能源科技有限公司 | 一种锂离子电池用核壳结构负极材料及其制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102169980A (zh) * | 2010-02-27 | 2011-08-31 | 比亚迪股份有限公司 | 一种负极活性材料的制备方法 |
CN102496719A (zh) * | 2011-12-15 | 2012-06-13 | 中国科学院化学研究所 | 硅/石墨烯复合材料及其制备方法与应用 |
CN103151505A (zh) * | 2013-03-01 | 2013-06-12 | 中国科学院过程工程研究所 | 一种钛酸锂系复合负极材料及其制备方法 |
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KR101280914B1 (ko) * | 2010-05-17 | 2013-07-18 | 삼화콘덴서공업주식회사 | 음극활물질 및 그 제조방법과 그 음극활물질을 포함하는 2차 전지 및 슈퍼 커패시터 |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102169980A (zh) * | 2010-02-27 | 2011-08-31 | 比亚迪股份有限公司 | 一种负极活性材料的制备方法 |
CN102496719A (zh) * | 2011-12-15 | 2012-06-13 | 中国科学院化学研究所 | 硅/石墨烯复合材料及其制备方法与应用 |
CN103151505A (zh) * | 2013-03-01 | 2013-06-12 | 中国科学院过程工程研究所 | 一种钛酸锂系复合负极材料及其制备方法 |
Non-Patent Citations (1)
Title |
---|
In situ synthesis of high-loading Li4Ti5O12–grapheme hybrid nanostructures for high rate lithium ion batteries;Laifa Shen et al;《The Royal Society of Chemistry》;20101112;572–574 * |
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ASS | Succession or assignment of patent right |
Owner name: SHENZHEN HONGTAI BATTERY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: JIANG TAO Effective date: 20150825 |
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C41 | Transfer of patent application or patent right or utility model | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Lv Jingshuang Inventor after: Zhou Yong Inventor before: Jiang Tao |
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Free format text: CORRECT: INVENTOR; FROM: JIANG TAO TO: LV JINGSHUANG ZHOU YONG |
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TA01 | Transfer of patent application right |
Effective date of registration: 20150825 Address after: The new house Baoan District Xixiang Street Community Shu Yuan Xin Cun Shenzhen 518126 Guangdong province No. 16 Hongyu building room 508 Applicant after: Shenzhen Hongtai Battery Technology Co., Ltd. Address before: Dang Zhen Jiaxing Haiyan County in Zhejiang province 314311 city Shen Yong Qing Cun Su Jia Hui No. 12 Applicant before: Jiang Tao |
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Effective date of registration: 20190604 Address after: 410600 No. 066 Jinshui West Road, Ningxiang High-tech Industrial Park, Ningxiang County, Changsha City, Hunan Province Patentee after: Bao steam Hongtai new energy Co. Ltd. Address before: 518126 Room 508, Hongyu Building, 16 Xinwuyuan Xincun, Gushi Community, Xixiang Street, Baoan District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Hongtai Battery Technology Co., Ltd. |
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Effective date of registration: 20210702 Address after: No.066 Jinshui West Road, Ningxiang hi tech Industrial Park, Changsha, Hunan 410600 Patentee after: Hunan Guorun Hongtai Intelligent Equipment Co.,Ltd. Address before: 410600 No. 066 Jinshui West Road, Ningxiang High-tech Industrial Park, Ningxiang County, Changsha City, Hunan Province Patentee before: BAOQI HONGTAI NEW ENERGY Co.,Ltd. |