全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

离子热法制备Li4Ti5O12负极材料及其电化学性能

Full-Text   Cite this paper   Add to My Lib

Abstract:

以醇胺类离子液体二乙醇胺乙酸盐为反应介质,钛酸四丁酯与乙酸锂为原料,低温常压下合成前驱体,再在高温下制备Li4Ti5O12负极材料。用X射线衍射、扫描电子显微镜和恒电流充放电分别测定材料的结构、形貌以及材料的电化学性能。结果表明在700℃烧结12h,所得样品具有300nm的粒径,并表现出优良的电化学性能,在0.1C倍率下放电容量为162.8mA?h/g,20次循环后比电容量保持在150.3mA?h/g。

References

[1]  ? 李学良, 王凯, 肖正辉, 等. 明胶–凝胶法制备LiFePO4/C复合材料[J]. 硅酸盐学报, 2012, 40(2): 261?265.
[2]  LI Xueliang, WANG Kai, XIAO Zhenghui, et al. J Chin Ceram Soc, 2012, 40(2): 261–265.
[3]  ? 王志兴, 李向群, 常晓燕, 等. 锂离子电池橄榄石结构正极材料LiMnPO4的合成与性能[J]. 中国有色金属学报, 2008, 18(4): 660–665.
[4]  WANG Zhixing, LI Xiangqun, CHANG Xiaoyan, et al. Chin J Nonferrous Metals (in Chinese), 2008, 18(4): 660–665.
[5]  ? LEE Menglun, LI Yuhan, LIAO Shih-chieh, et al. Li4Ti5O12-coated graphite as an anode material for lithium-ion batteries [J]. Appl Surface Sci, 2012, 258: 5938–5942.
[6]  ? WU Feixiang, LI Xinhai, WANG Zhixing, et al. Low-temperature synthesis of nano-micron Li4Ti5O12 by an aqueous mixing technique and its excellent electrochemical performance [J]. J Power Sources, 2012, 202: 374–379.
[7]  ? QIAO Yun, HU Xianluo, LIU Yang, et al. Li4Ti5O12 nanocrystallites for high-rate lithium-ion batteries synthesized by a rapid microwave-assisted solid-state process [J]. Electrochi Acta, 2012, 63: 118–123.
[8]  ? ZAGHIB K, SIMONEAU M, ARMAND M, et al. Electrochemical study of Li4Ti5O12 as negative electrode for Li-ion polymer rechargeable batteries [J]. J Power Sources, 1999, 81: 300–305.
[9]  ? ZHANG Xinlong, HU Guorong, PENG Zhongdong. Preparation and effects of Mo-doping on the electrochemical properties of spinel Li4Ti5O12 as anode material for lithium ion battery [J]. J Inorg Mater, 2011, 26(4): 443–448.
[10]  ? LI Juan, JIN Yongli, ZHANG Xiaogang, et al. Microwave solid-state synthesis of spinel Li4Ti5O12 nanocrystallites as anode material for lithium-ion batteries [J]. Solid State Ionics, 2007, 178(29/30): 1590– 1594.
[11]  ? HUANG Junjie, JIANG Zhiyu. The preparation and characterization of Li4Ti5O12/carbon nano-tubes for lithium ion battery [J]. Electrochim Acta, 2008, 53: 7756–7759.
[12]  ? SHAO Dan, HE Jiarong, LUO Ying, et al. Synthesis and electrochemical performance of nanoporous Li4Ti5O12 anode material for lithium- ion batteries [J]. J Solid State Electrochem, 2012, 12(6): 2047– 2053.
[13]  ? LI Junrong, TANG Zilong, ZHANG Zhongtai. Controllable formation and electrochemical properties of one-dimensional nanostructured spinel Li4Ti5O12 [J]. Electrochem Commun, 2005, 7: 894– 899.
[14]  ? HAO Yanjing, LAI Qiongyu, XU Zhihui, et al. Synthesis by TEA sol-gel method and electrochemical properties of Li4Ti5O12 anode material for lithium-ion battery [J]. Solid State Ionics, 2005, 176: 1201– 1206.
[15]  ? MORRIS R E. Ionothermal synthesis-ionic liquids as functional solvents in the preparation of crystalline materials [J]. Chem Commun, 2009, 45(21): 2990–2998.
[16]  ? PROSINI P P, MANCINI R, PETRUCCI L, et al. Li4Ti5O12 as anode in all-solid-state, plastic, lithium-ion batteries for low-power applications [J]. Solid State Ionics, 2001, 144: 185–192.
[17]  ? 王雁生, 王先友, 安红芳, 等. 水热法合成尖晶石型Li4Ti5O12及其电化学性能[J]. 中国有色金属学报, 2010, 20(12): 2366–2371.
[18]  WANG Yansheng, WANG Xianyou, AN Hongfang, et al. Chin J Nonferrous Metals (in Chinese), 2010, 20(12): 2366–2371.
[19]  ? 高剑, 穆鑫, 李建军, 等. 锂离子电池负极材料多孔Li4Ti5O12/C的制备和表征[J]. 无机材料学报, 2012, 27(3): 253–257.
[20]  GAO Jian, MU Xin, LI Jianjun, et al. J Inorg Mater (in Chinese), 2012, 27(3): 253–257.
[21]  ? TANG Yufeng, YANG Li, FANG Shaohua, et al. Li4Ti5O12 hollow microspheres assembled by nanosheets as an anode material for high-rate lithium ion batteries [J]. Electrochim Acta, 2009, 54(26): 6244–6249.
[22]  ? ZHENG Shaowei, XU Yunlong, ZHAO Chongjun, et al. Synthesis of nano-sized Li4Ti5O12/C composite anode material with excellent high-rate performance [J]. Mater Lett, 2012, 68: 32–35.
[23]  DOI:10.7521/j.issn.0454–5648.2013.01.03

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133