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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
Source PublicationElectrochimica Acta
Volume225Pages:151-159
AbstractThe 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.
SubtypeArticle
KeywordSolid Polymer Electrolyte Polycarbonate Lithium Batteries
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1016/j.electacta.2016.12.113
WOS KeywordBLOCK-COPOLYMER ELECTROLYTES ; IONIC-CONDUCTIVITY ; TRANSPORT-PROPERTIES ; ROOM-TEMPERATURE ; METAL BATTERIES ; NANOCOMPOSITE ; CRYSTALLINE ; MEMBRANE ; ORDER ; ACID
Indexed BySCI
Language英语
WOS Research AreaElectrochemistry
Funding OrganizationStrategic 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 SubjectElectrochemistry
WOS IDWOS:000393502500017
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Document Type期刊论文
Identifierhttp://ir.qibebt.ac.cn/handle/337004/9163
Collection仿生与固态能源系统研究组
Recommended Citation
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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