期刊
ELECTROCHIMICA ACTA
卷 245, 期 -, 页码 981-992出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2017.05.176
关键词
gel polymer electrolyte; lignocelluloses; potato starch; biodegradable; lithium ion battery
资金
- Sichuan Provincial Department of Education [15ZA0050]
A kind of gel polymer electrolyte (GPE) based on natural composite polymers matrix of lignocellulose (LC) and potato starch with higher comprehensive performance is prepared. This study reveals that when the content of potato starch is 5 wt.%, the composite membrane presents 6 times tensile strength of pure LC membrane and high electrolyte uptake of 194%. Meantime, the ionic conductivity of 1.27 mS cm(-1), lithium ion transference number of 0.79, wide electrochemical window and good affinity with electrodes for the as-prepared GPEs can be obtained. In addition, the Li/GPE/LiFePO4 cells display excellent initial discharge capacity, rate and cycling performances. Therefore, the high performance, low cost and biodegradable GPE with the optimized material proportion developed in this work for application in lithium ion batteries (LIBs). (C) 2017 Elsevier Ltd. All rights reserved.
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