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Synthesis and Characterization of Nanosized alpha-LiFeO2 with Increased Electrochemical Activity

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成果类型:
期刊论文
作者:
Wang, Yourong*;Wang, Jia;Liao, Hantao;Qian, Xiaofang;Zhu, Yuchan;...
通讯作者:
Wang, Yourong
作者机构:
[Liao, Hantao; Zhu, Yuchan; Wang, Yourong; Cheng, Siqing; Qian, Xiaofang; Wang, Jia] Wuhan Polytech Univ, Chem & Environm Engn Dept, Wuhan 430023, Hubei, Peoples R China.
通讯机构:
[Wang, Yourong] W
Wuhan Polytech Univ, Chem & Environm Engn Dept, Wuhan 430023, Hubei, Peoples R China.
语种:
英文
关键词:
alpha-LiFeO2;Electrochemical performance;Lithium-ion batteries;Solid state method
期刊:
International Journal of Electrochemical Science
ISSN:
1452-3981
年:
2013
卷:
8
期:
6
页码:
8730-8739
基金类别:
Project of Chinese Ministry of EducationMinistry of Education, China [208088]; Education Science Foundation of Hubei Province [Q20091806]; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31101370]
机构署名:
本校为第一且通讯机构
院系归属:
化学与环境工程学院
摘要:
In this work, nanosized alpha-LiFeO2 were synthesized by a simple low-temperature solid state method. The obtained alpha-LiFeO2 nanoparticles were investigated by the measurements of X-ray diffraction pattern, scanning electronic microscopy, transmission electron microscope and electrochemical performance. Electrochemical measurements showed that the initial discharge capacity was 277.9, 188.4, and 158.2 mAh g(-1) at 0.1 C, 1 C, and 2 C, respectively. Meanwhile, the alpha-LiFeO2 nanoparticles exhibited improved cycle stability (123 mAh g(-1) at 2 C after 60 cycles). The high capacity, improved...

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