甲基磺酸和硫酸作为钒电池负极混合支持电解质
收稿日期: 2014-04-25
修回日期: 2014-05-06
网络出版日期: 2014-08-30
基金资助
973国家重点基础研究发展计划（2010CB227201）
Sulfate-Methanesulfonic Acid Mixed Electrolytes for the Negative Electrolyte of Vanadium Battery
Received date: 2014-04-25
Revised date: 2014-05-06
Online published: 2014-08-30
陈 勇 , 刘素琴 , 韩慧果 , 刘剑蕾 . 甲基磺酸和硫酸作为钒电池负极混合支持电解质[J]. 新能源进展, 2014 , 2(4) : 322 -326 . DOI: 10.3969/j.issn.2095-560X.2014.04.013
The effects of the sulfate-methanesulfonic acid mixed electrolytes on the electrochemical performance, stability, kinetic viscosity and cell performance of the negative electrolytes are studied. The results indicate the sulfate-methanesulfonic acid mixed electrolytes could improve the reversibility of the V(II)/V(III) redox couple, delay the time for crystal at low temperature, and decrease the kinetic viscosity of the electrolytes. However, it would decrease the coulombic efficiency of battery, promote the migration of the vanadium ion, and accelerate the decay of capacity and energy.
Key words： Vanadium battery; methanesulfonic acid; negative electrolyte
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