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Robust iron nanoparticles with graphitic shells for high-performance Ni-Fe battery

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成果类型:
期刊论文
作者:
Wu, Xu;Wu, Hao Bin*;Xiong, Wei;Le, Zaiyuan;Sun, Fei;...
通讯作者:
Zhu, Zhihong;Wu, Hao Bin;Lu, Yungfeng
作者机构:
[Wu, Xu; Zhu, Zhihong; Xiong, Wei; Chen, Jisheng] Cent China Normal Univ, Coll Phys Sci & Technol, Inst Nanosci & Nanotechnol, Wuhan 430079, Peoples R China.
[Le, Zaiyuan; Sun, Fei; Wu, Xu; Lu, Yungfeng; Liu, Fang; Wu, Hao Bin; Lu, YF] Univ Calif Los Angeles, Dept Chem & Biomol Engn, Los Angeles, CA 90095 USA.
通讯机构:
[Zhu, Zhihong] C
[Wu, HB; Lu, YF] U
Cent China Normal Univ, Coll Phys Sci & Technol, Inst Nanosci & Nanotechnol, Wuhan 430079, Peoples R China.
Univ Calif Los Angeles, Dept Chem & Biomol Engn, Los Angeles, CA 90095 USA.
语种:
英文
关键词:
Energy storage;Ni-Fe battery;Anode;Iron nanoparticles;Carbon shell
期刊:
Nano Energy
ISSN:
2211-2855
年:
2016
卷:
30
页码:
217-224
基金类别:
This work was financially supported in part by the scholarship from China Scholarship Council ( No. 201306770015 ), the Key Scientific Project of Wuhan City ( No. 2013011801010598 ) and the Scientific Project of AQSIQ (No. 2013IK093 ).
机构署名:
本校为第一且通讯机构
院系归属:
物理科学与技术学院
摘要:
Aqueous Ni-Fe battery with high safety and low cost is a promising candidate for large-scale electrical energy storage;their performance, however, has been limited by the poor performance of the Fe electrodes. We reported herein a facile synthesis of Fe particles coated with graphitic shell for high-performance Fe anodes. The anodes exhibit a high capacity of 224 mAh g−1at a high current density of 32 A g−1, and a high capacity retention of 90% after 1000 cycles. When coupled with a cathode made from the composites of Ni(OH)2and nitrogen-doped graphene, the batt...

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