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钇掺杂ZrO2/PEO复合固态电解质的制备及性能研究

HAN Wei, WANG Tian-qi, SU Hui,FAN Li-shuang, ZHOU Zhi-ping, FENG Jing

Guangzhou Chemical Industry（2023）

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Abstract
为了改善聚合物电解质的电化学性能,在PEO聚合物电解质体系中引入惰性钇掺杂ZrO2(YSZ)无机填料,制备YSZ/PEO复合聚合物电解质(YCPE);研究填料浓度对YCPE性能的影响;并通过组装全固态电池对电解质的电化学性质进行评价.采用LiFePO4 正极和Li负极组装全固态电池,全电池初始放电比容量增大为164.5 mAh/g,循环50 圈后容量降低至156.3 mAh/g,容量保持率95.2%.
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Key words
PEO polymer electrolyte,Y doping,Y0.16Zr0.92O2.08
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