A Fundamental Study on Carbon Composites of FeF3•0.33H2O as Open-framework Cathode Materials for Calcium-ion Batteries

被引：12

作者：

Murata, Yoshiaki ^{[1
]}

Minami, Ryoji ^{[1
]}

Takada, Shoki ^{[1
]}

Aoyanagi, Kengo ^{[1
]}

Tojo, Tomohiro ^{[1
]}

Inada, Ryoji ^{[1
]}

Sakurai, Yoji ^{[1
]}

机构：

[1] Toyohashi Univ Technol, Dept Elect & Elect Informat Engn, Tempaku Ku, 1-1 Hibarigaoka, Toyohashi, Aichi 4418580, Japan

来源：

IRAGO CONFERENCE 2016: 360 DEGREE OUTLOOK ON CRITICAL SCIENTIFIC AND TECHNOLOGICAL CHALLENGES FOR A SUSTAINABLE SOCIETY | 2017年 / 1807卷

关键词：

ELECTROCHEMICAL PERFORMANCE; LITHIUM;

D O I：

10.1063/1.4974787

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

Carbon composites of open-framework iron fluoride (FeF3 center dot 0.33H(2)O/C) was investigated as a new cathode material for calcium ion batteries for the first time. FeF3 center dot 0.33H(2)O/C delivers a relatively large capacity of ca. 110mAhg(-1). Its reversible capacity was greatly improved over non-composite FeF3 center dot 0.33H(2)O. During the first discharge and discharge-charge, insertion/extraction of Ca2+ into/from FeF3 center dot 0.33H(2)O/C were confirmed by an ex-situ X-ray photoelectron spectroscopy (XPS) and energy dispersive X-ray spectroscopy (EDX) analysis. From the ex-situ analysis results, it was confirmed that Ca2+ was inserted and extracted with redox of Fe.

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页数：8

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