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直接甲酸燃料电池中碳载Ir催化剂对氧还原的电催化性能

Electrocatalytic Performance of Carbon Supported Ir Catalyst for Oxygen Reduction in Direct Formic Acid Fuel Cell
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摘要 文章比较了XC-72活性碳载Ir(Ir/C)、载Au(Au/C)和载Pt(Pt/C)催化剂对氧还原的电催化性能和抗甲酸能力,发现Ir/C催化剂对氧还原的电催化性能要差于Pt/C催化剂,但Pt/C催化剂的抗甲酸能力很差.Ir/C和Au/C催化剂都有很好的抗甲酸的能力,但Ir/C催化剂对氧还原的电催化性能要远好于Au/C催化剂.因此I,r/C催化剂适用于作直接甲酸燃料电池(DFAFC)中的阴极催化剂. The electrocatalytic performance for the oxygen reduction and formic acid tolerance ability of the Ir/C,Au/C and Pt/C catalysts were compared.It was found that the electrocatalytic performance for the oxygen reduction of the Ir/C catalyst was worse than that of the Pt/C catalyst.However,the formic acid tolerance ability of the Pt/C catalyst was very bad.Both Ir/C and Au/C catalysts possessed good formic acid tolerance ability,but the electrocatalytic performance for the oxygen reduction of the Ir/C catalyst was much better than that of Au/C catalyst.Thus,the Ir/C catalyst is suitable to be used as the cathodic catalyst in DFAFC.
作者 马德娜 李焕芝 唐亚文 陆天虹
机构地区 南京师范大学化学与材料科学学院
出处 《南京晓庄学院学报》 2011年第3期8-10,共3页 Journal of Nanjing Xiaozhuang University
基金 国家自然科学基金(2087306521073094) 江苏高校优势学科建设工程资助项目
关键词 铱 阴极催化剂 抗甲酸能力 直接甲酸燃料电池 iridium cathodic catalyst formic acid tolerance ability direct formic acid fuel cell
分类号 TM911.47 [电气工程—电力电子与电力传动]
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参考文献13

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共引文献30

南京晓庄学院学报
2011年 第3期

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