Carbonate-linked poly(ethylene oxide) polymer electrolytes towards high performance solid state lithium batteries

doi:10.1016/j.electacta.2016.12.113

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	Carbonate-linked poly(ethylene oxide) polymer electrolytes towards high performance solid state lithium batteries
	He, Weisheng; Cui, Zili; Liu, Xiaochen; Cui, Yanyan; Chai, Jingchao; Zhou, Xinhong; Liu, Zhihong; Cui, Guanglei
	2016-12-21
发表期刊	Electrochimica Acta
卷号	225 页码:151-159
摘要	The classic poly(ethylene oxide) (PEO) based solid polymer electrolyte suffers from poor ionic conductivity of ambient temperature, low lithium ion transference number and relatively narrow electrochemical window (< 4.0 V vs. Li+/Li). Herein, the carbonate-linked PEO solid polymer such as poly (diethylene glycol carbonate) (PDEC) and poly(triethylene glycol carbonate) (PTEC) were explored to find out the feasibility of resolving above issues. It was proven that the optimized ionic conductivity of PTEC based electrolyte reached up to 1.12 x 10(-5) S cm(-1) at 25 degrees C with a decent lithium ion transference number of 0.39 and a wide electrochemical window about 4.5 V vs. Li+/Li. In addition, the PTEC based Li/LiFePO4 cell could be reversibly charged and discharged at 0.05 C-rates at ambient temperature. Moreover, the higher voltage Li/LiFe0.2Mn0.8PO4 cell (cutoff voltage 4.35 V) possessed considerable rate capability and excellent cycling performance even at ambient temperature. Therefore, these carbonate-linked PEO electrolytes were demonstrated to be fascinating candidates for the next generation solid state lithium batteries simultaneously with high energy and high safety. (C) 2016 Elsevier Ltd. All rights reserved.
文章类型	Article
关键词	Solid Polymer Electrolyte Polycarbonate Lithium Batteries
WOS标题词	Science & Technology ; Physical Sciences
DOI	10.1016/j.electacta.2016.12.113
关键词[WOS]	BLOCK-COPOLYMER ELECTROLYTES ; IONIC-CONDUCTIVITY ; TRANSPORT-PROPERTIES ; ROOM-TEMPERATURE ; METAL BATTERIES ; NANOCOMPOSITE ; CRYSTALLINE ; MEMBRANE ; ORDER ; ACID
收录类别	SCI
语种	英语
WOS研究方向	Electrochemistry
项目资助者	Strategic Priority Research Program of the Chinese Academy of Sciences(XDA09010105) ; Shandong Provincial Natural Science Foundation(ZR2015QZ01) ; "135" Projects Fund of CAS-QIBEBT Director Innovation Foundation
WOS类目	Electrochemistry
WOS记录号	WOS:000393502500017
引用统计
文献类型	期刊论文
条目标识符	http://ir.qibebt.ac.cn/handle/337004/9163
专题	仿生与固态能源系统研究组
推荐引用方式 GB/T 7714	He, Weisheng,Cui, Zili,Liu, Xiaochen,et al. Carbonate-linked poly(ethylene oxide) polymer electrolytes towards high performance solid state lithium batteries[J]. Electrochimica Acta,2016,225:151-159.
APA	He, Weisheng.,Cui, Zili.,Liu, Xiaochen.,Cui, Yanyan.,Chai, Jingchao.,...&Cui, Guanglei.(2016).Carbonate-linked poly(ethylene oxide) polymer electrolytes towards high performance solid state lithium batteries.Electrochimica Acta,225,151-159.
MLA	He, Weisheng,et al."Carbonate-linked poly(ethylene oxide) polymer electrolytes towards high performance solid state lithium batteries".Electrochimica Acta 225(2016):151-159.

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