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Acta Phys. -Chim. Sin.  2003, Vol. 19 Issue (12): 1150-1153    DOI: 10.3866/PKU.WHXB20031212
Note     
Preparation and Performance of Electrode Materials for Super-iron (VI) Battery
Yang Hong-Ping;Wang Xian-You;Wang Xing-Yan;Huang Wei-Guo;Luo Xu-Fang;Zhuo Hai-Tao
College of Chemistry, Xiangtan University, Xiangtan 411105
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Abstract  The solubility and stability of potassium ferrate(VI) and barium ferrate(VI) in 7 mol•L-1 KOH solution were investigated. It was found that the solubility of ferrates (VI) compounds increased and the stability decreased with increasing temperature. The structures and morphology of the potassium ferrate and barium ferrate were examined by IR、XRD and SEM, and the results showed that they were orthorhombic crystal with space group D2h(Pnma) and consisted of sub-micron to nanometer particles(50~165 nm). The discharge results of Zn-BaFeO4 and Zn-K2FeO4 batteries displayed that the former has a double discharge capacity than the latter, and the discharge voltage plateau of the former is 170~220 mV higher than that of the latter.

Key wordsFerrates      Structure examination      Stability      Solubility      Positive electrode material      Super-iron battery     
Received: 29 May 2003      Published: 15 December 2003
Corresponding Authors: Wang Xian-You     E-mail: wxianyou@yahoo.com
Cite this article:

Yang Hong-Ping;Wang Xian-You;Wang Xing-Yan;Huang Wei-Guo;Luo Xu-Fang;Zhuo Hai-Tao. Preparation and Performance of Electrode Materials for Super-iron (VI) Battery. Acta Phys. -Chim. Sin., 2003, 19(12): 1150-1153.

URL:

http://www.whxb.pku.edu.cn/10.3866/PKU.WHXB20031212     OR     http://www.whxb.pku.edu.cn/Y2003/V19/I12/1150

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