期刊
JOURNAL OF POWER SOURCES
卷 353, 期 -, 页码 287-297出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpowsour.2017.04.014
关键词
Lithium; Polymer electrolyte; Hybrid electrolyte; Ceramic-polymer system; LLZO ceramic electrolyte
资金
- German Federal Ministry of Education and Research [03XP0026F]
The preparation of hybrid ceramic-polymer electrolytes, consisting of 70 wt% of Li+ cation conducting Li7La3Zr2O12 (LLZO) and 30 wt% of P(EO)(15)LiTFSI polymer electrolyte, through a solvent-free procedure is reported. The LLZO-P(EO)(15)LiTFSI hybrid electrolytes exhibit remarkable improvement in terms of flexibility and processability with respect to pure LLZO ceramic electrolytes. The physicochemical and electrochemical investigation shows the effect of LLZO annealing, resulting in ion conduction gain. However, slow charge transfer at the ceramic-polymer interface is also observed especially at higher temperatures. Nevertheless, improved compatibility with lithium metal anodes and good Li stripping/plating behavior are exhibited by the LLZO-P(EO)(15)LiTFSI hybrid electrolytes with respect to P(EO)(15)LiTFSI. (C) 2017 Elsevier B.V. All rights reserved.
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