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Electrochemical Behavior of Vanadium Redox Couples on Carbon
Electrode
Ming-yao Liu,a Zhi-peng Xiang,a Hai-qiang Deng,b Kai Wan,a Quan-bing Liu,a Jin-hua Piao,c
Yu-ying Zheng,d and Zhen-xing Liang

Preparation of the working electrode.¡ªThe semi-graphitic carbon black Vulcan XC72 was pretreated in a typical way with the
following steps and denoted as XC72.33,34 12.0 g Vulcan XC72 was
added into 200 mL HCl (1:5) and heated at 120◦C for 10 h. The powders were then boiled in 200 mL 5.0 M HNO3 solution at 120◦C for
10 h. Finally, the powders were filtered, washed and dried at 150◦C
for 8 h.

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Electrochemical Behavior of Vanadium Redox Couples on Carbon
Electrode
Ming-yao Liu,a Zhi-peng Xiang,a Hai-qiang Deng,b Kai Wan,a Quan-bing Liu,a Jin-hu ...

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