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电化学  2009 

Au-MmNi_(3.2)Al_(0.2)Mn_(0.6)Co_(1.00)电极对NaBH_4电催化氧化

, PP. 450-453

Keywords: 直接NaBH4燃料电池,储氢合金,金改性,电氧化

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Abstract:

研究经NaOH处理了的MmNi3.2Al0.2Mn0.6Co1.0,再应用电沉积法制备Au改性的MmNi3.2Al0.2Mn0.6Co1.0催化剂对NaBH4的电催化氧化性能.SEM观察催化剂样品的微观形貌,线性伏安扫描法测定其电催化氧化性能,发现Au-MmNi3.2Al0.2Mn0.6Co1.0电极电催化氧化NaBH4电流密度为60mA.cm-2,比在MmNi3.2Al0.2Mn0.6Co1.0电极的增加3.5倍.若对该电极在电解质中预浸泡10h,则氧化电流密度可达到184mA.cm-2.

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