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Well-defined Na2Zn3[Fe(CN)6]2 framework as a Low-cost and Cycle-stable Cathode Material for Na-ion Batteries
Wu Chen,Qian Jiangfeng * #
College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072
*Correspondence author
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Funding: the specialized Research Fund for the Doctoral Program of Higher Education (No.No. 20130141120007)
Opened online: 2 May 2017
Accepted by: none
Citation: Wu Chen,Qian Jiangfeng.Well-defined Na2Zn3[Fe(CN)6]2 framework as a Low-cost and Cycle-stable Cathode Material for Na-ion Batteries[OL]. [ 2 May 2017] http://en.paper.edu.cn/en_releasepaper/content/4726116
 
 
In this paper, well-defined Na2Zn3[Fe(CN)6]2 nanocrystals (~300 nm) have been fabricated by a facile precipitation method from low-cost precursors at room temperature. By employing [Fe(CN)6]3-/[Fe(CN)6]4- couple as redox-centers, this material can realize a Na-storage capacity of 65 mAh g-1, a high rate capability with ~32 mAh g-1 at 20 C, and an impressive cycle life with 94% capacity rentention over 1,000 cycles, offering a low-cost and high performance alternative cathode for large-scale Na-ion applications.
Keywords:Prussian blue; Na-ion batteries; intercalation cathode
 
 
 

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