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...
化工学报  2015 

锂离子电池负极材料Li4Ti5O12/C的制备与表征

DOI: 10.11949/j.issn.0438-1157.20141179, PP. 1989-1995

Keywords: 电化学,纳米粒子,粉体,锂离子电池,Li4Ti5O12,PEG,溶胶-凝胶法

Full-Text   Cite this paper   Add to My Lib

Abstract:

针对Li4Ti5O12导电性和倍率性能差的缺陷,以PEG为碳源采用溶胶-凝胶法制备出电池负极材料Li4Ti5O12/C,考察不同分子量聚乙二醇PEG(400、600、1000)做碳源制备的Li4Ti5O12/C复合材料电化学性能的优劣,采用热重分析仪(TG)、X射线衍射仪(XRD)、扫描电镜(SEM)、透射电镜(TEM)、恒流充放电、倍率放电、交流阻抗(EIS)等方法对材料进行了结构表征和电化学性能测试。结果表明:以PEG1000为碳源时得到的Li4Ti5O12/C,0.1C下首次放电比容量为143.5mA·h·g-1,2C的倍率下仍然保持了105mA·h·g-1的比容量,容量保持率达到73.17%,并且此材料有最小的电阻,在大电流条件下有良好的电化学性能。

References

[1]  Bruno Scrosati, Jürgen Garche. Lithium batteries: status, prospectsand future [J]. Power Sources, 2010, 195(9): 2419-2430
[2]  Jia Puqi, Shao Zhongbao, Liu Kuiren. Pretreatments-assisted high temperature ball milling route to Li4Ti5O12 and its electrochemical performance [J]. Journal of Power Sources, 2014, 266: 114-120
[3]  Guo Bingkun, Li Ying, Yao Yingfang, Lin Zhan, Ji Liwen, Xu Guangjie, Liang Yinzheng, Shi Quan, Zhang Xiangwu. Electrospun Li4Ti5O12/C composites for lithium-ion batteries with high rate performance [J]. Solid State Ionics, 2011, 204/205: 61-65
[4]  Yuan Tao, Cai Rui, Wang Ke, Ran Ran, Liu Shaomin, Shao Zongping. Combustion synthesis of high-performance Li4Ti5O12 for secondary Li-ion battery [J]. Ceramics International, 2009, 35: 1757-1768
[5]  Kiyoshi Nakahara, Ryosuke Nakajima, Tomoko Matsushima, Hiroshi Majima. Preparation of particulate Li4Ti5O12 having excellent characteristics as an electrode active material for power storage cells [J]. Journal of Power Sources, 2003, 117: 131-136
[6]  Akira Izumi, Masakazu Sanada, Koji Furuichi, Kuniko Teraki, Takeshi Matsuda, Kenta Hiramatsu, Hirokazu Munakata, Kiyoshi Kanamura. Development of high capacity lithium-ion battery applying three-dimensionally patterned electrode [J]. Electrochimica Acta, 2012, 79: 218-222
[7]  Zhang W J. A review of the electrochemical performance of alloy anodes for lithium-ion batteries [J]. Journal of Power Sources, 2011, 196(1): 13-24
[8]  Pierre Kubiak, Aurélie Garcia, Manfred Womes, Laurent Aldon, Josette Olivier-Fourcade, Pierre-Emmanuel Lippens, Jean-Claude Jumas. Phase transition in the spinel Li4Ti5O12 induced by lithium insertion influence of the substitutions Ti/V, Ti/Mn, Ti/Fe [J]. Journal of Power Sources, 2003, 119-121: 626-630
[9]  Li Yue, Zhao Hailei, Tian Zhihong, Qiu Weihua, Li Xue. Heat treatment effect on electrochemical properties of spinel Li4Ti5O12 [J]. Rare Metals, 2008, 27(2): 165-169
[10]  Mi Ru Jo, Yeon Sik Jung, Yong-Mook Kang. Tailored Li4Ti5O12 nanofibers with outstanding kinetics for lithiumrechargeable batteries [J]. Nanoscale, 2012, 4: 6870-6875
[11]  Shen Laifa, Li Hongsen, Evan Uchaker, Zhang Xiaogang, Cao Guozhong. General strategy for designing core-shell nanostructured materials for high-power lithium ion batteries [J]. Nano Letters, 2012, 12: 5673-5678
[12]  Prakash A S, Manikandan P, Ramesha K, Sathiya M, Tarascon J M, Shukla A K. Solution-combustion synthesized nanocrystalline Li4Ti5O12 as high-rate performance Li-ion battery anode [J]. Chemistry of Materials, 2010, 22: 2857-2863, 2857
[13]  Li Junrong, Tang Zilong, Zhang Zhongtai. Controllable formation and electrochemical properties of Li4Ti5O12 [J]. Electrochemistry Communications, 2005, 7: 894-899
[14]  Gao Jian(高剑), Mu Xin(穆鑫), Li Jianjun(李建军), He Xiangming(何向明), Jiang Changyin(姜长印). Preparation and characterization of porous spherical Li4Ti5O12/C anode material for lithium ion batteries [J]. Journal of Inorganic Materials(无机材料学报), 2012, 27(3): 253-257
[15]  Zhao Hailei, Li Yue, Zhu Zhiming, Lin Jiu, Tian Zhihong, Wang Ronglin. Structural and electrochemical characteristics of Li4-xAlxTi5O12 as anode material for lithium-ion batteries [J]. Electrochimica Acta, 2008, 53: 7079-7083
[16]  Hao Yanjing, Lai Qiongyu, Xu Zhihui, Liu Xueqi, Ji Xiaoyang. 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
[17]  Tang Zhiyuan(唐致远), Gao Fei(高飞), Han Bin(韩彬). Research progress on Li4Ti5O12 as cathode material for lithium ion battery [J]. Chemical Industry and Engineering Progress (化工进展),2006, 25(2): 159-162
[18]  Gao Jian, Ying Jierong, Jiang Changyin, Wan Chunrong. Preparation and characterization of spherical La-doped Li4Ti5O12 anode material for lithium ion batteries [J]. Ionics, 2009, 15: 597-601
[19]  Long Wanmei (龙晚妹), Wang Xianyou (王先友), Wang Yansheng (王雁生), Wang Guobao (王国宝), Yang Shunyi (杨顺毅), Wang Hong (王宏), Shu Hongbo (舒洪波), Bai Li (白俐) . Sol-gel synthesis and electrochemical performance of Li4Ti5O12 [J]. The Chinese Journal of Nonferrous Metals (中国有色金属学报), 2011, 21(3): 656-662
[20]  Luo Hongjun, Shen Laifa, Rui Kun, Li Hongsen, Zhang Xiaogang. Carbon coated Li4Ti5O12 nanorods as superior anode material for high rate lithium ion batteries [J]. Journal of Alloys and Compounds, 2013, 572: 37-42
[21]  Gao Jian, Ying Jierong, Jiang Changyin, Wan Chunrong. High-density spherical Li4Ti5O12/C anode material with good rate capability for lithium ion batteries [J]. Journal of Power Sources, 2007, 166: 255-259
[22]  Yang Zunxian, Meng Qing, Guo Zaiping, Yu Xuebin, Guo Tailiang, Zeng Rong. Highly reversible lithium storage in uniform Li4Ti5O12 /carbon hybrid nanowebs as anode material for lithium-ion batteries [J]. Energy, 2013, 55: 925-932

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133