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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2016, Vol. 17 Issue (2): 155-162    DOI: 10.1631/jzus.A1500099
Articles     
A novel organosilicon-based ionic plastic crystal as solid-state electrolyte for lithium-ion batteries
Xin-yue Zhao, Jing-lun Wang, Hao Luo, Hu-rong Yao, Chu-ying Ouyang, Ling-zhi Zhang
Key Laboratory of Renewable Energy, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China; College of Physics and Communication Electronics, Jiangxi Normal University, Nanchang 330022, China
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Abstract  A novel organosilicon-based ionic plastic crystal, N,N,N,-diethylmethyl-N-[(trimethylsilyl)methyl]ammonium bistrifluoromethane sulfonimide ([DTMA][TFSI]) was designed and synthesized as solid-state electrolyte for lithium-ion batteries. The chemical structure and the physical and electrochemical properties were characterized in detail. The ionic conductivity of [DTMA][TFSI] was improved significantly by doping with lithium oxalyldifluoroborate (LiODFB) and propylene carbonate (PC). An optimized plastic crystal composite ([DTMA][TFSI]:LiODFB:PC=8:1: molar ratio) as a solid-state electrolyte exhibited a decent cycling stability in LiFePO4/Li half-cell, with a specific discharge capacity of 144 mA·h/g and capacity retention of 94% after 50 cycles at C/20.

Key words： Superposition deformation model      Bachu Uplift      Southern Tianshan      Western Kunlun      Cenozoic     
Received: 05 May 2015      Published: 02 February 2016
CLC:  O646  
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Xin-yue Zhao
Jing-lun Wang
Hao Luo
Hu-rong Yao
Chu-ying Ouyang
Ling-zhi Zhang
Cite this article:

Xin-yue Zhao, Jing-lun Wang, Hao Luo, Hu-rong Yao, Chu-ying Ouyang, Ling-zhi Zhang. A novel organosilicon-based ionic plastic crystal as solid-state electrolyte for lithium-ion batteries. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2016, 17(2): 155-162.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.A1500099     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2016/V17/I2/155

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