期刊
QUIMICA NOVA
卷 27, 期 4, 页码 648-654出版社
SOC BRASILEIRA QUIMICA
DOI: 10.1590/S0100-40422004000400020
关键词
electrocatalysts; fuel cells; electro-oxidation
Fuel cells are attracting much interest as efficient and clean energy conversion devices. The main components of low temperature fuel cells are the electrocatalysts used to promote the anodic and cathodic reactions, which are based on platinum and platinum alloys. These electrocatalysts are normally prepared in the form of metal nanoparticles supported on a conductive material, usually high surface area carbon, to improve catalyst utilization and reduce cost. This work presents and comments some methods used presently to produce these electrocatalysts. The performances of the produced electrocatalysts are compared to that of state-of-the-art commercial E-TEK electrocatalysts.
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