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OALib Journal期刊
ISSN: 2333-9721
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ir修饰碳毡对vo2+/vo+2电对电催化性能的影响
Abstract:
？用热分解法使ir包覆到碳毡表面,经过50次循环充放电后ir的附着良好.稳态极化和循环伏安实验结果表明,ir修饰后的碳毡电极上v(ⅳ)/v(ⅴ)的电荷转移极化电阻降低,ir催化剂降低了v--o键打开和形成的活化能,从而降低了电池极化.以ir修饰碳毡为电池正极、酸和热处理的碳毡为负极组成的全钒氧化还原液流电池,在20macm-2充放电时的电压效率达7.5%.与用未经修饰的碳毡组成的电池相比,电压效率提高6.9%,内阻降低了25%.
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