Preparation of platinum cluster-impregnated electrodes and their methanol electrooxidation characteristics.
نویسندگان
چکیده
منابع مشابه
Nanocatalysts Impregnated Polythiophene Electrodes for the Electrooxidation of Formic Acid
Conductive and porous polythiophene (PTh) films, which are used as host matrices for Pt and Pt/Pd nanoparticles, are synthesized electrochemically. PTh films containing nanometre-sized Pt and Pt/Pd bimetallic particles are electro synthesized on an indium tin oxide (ITO) glass plate by voltammetric cycling between –0.1 to +1V (Vs Ag/AgCl / 2M NaCl). The ensuing PTh electrode, modified with nano...
متن کاملHierarchical Nanoporous Gold-Platinum with Heterogeneous Interfaces for Methanol Electrooxidation
The electrocatalysts utilized as the prospective electrodes in fuel cells and high efficient energy conversion devices require both the interconnected channels for efficient electrolyte transportation and the superior catalytic activity with long service life. In this work, nanoporous gold with the rigid skeletons in three dimensions is partially decorated by porous platinum shell containing na...
متن کاملMethanol and CO electrooxidation
The methanol oxidation reaction has been the subject of a large number of studies in the past.[1, 2] Early work revealed a complex reaction mechanism,[3–6] indicating the electrocatalysis of methanol oxidation as the most difficult task in the realization of a direct methanol fuel cell (DMFC). Several metal catalysts were proposed for the reaction, most of them based on modifications of Pt with...
متن کاملNon-modified and platinum/polyaniline-modified carbon fiber fabric electrodes: preparation and electrochemical behavior towards amaranth electroreduction/electrooxidation electrolysis
The electrochemical behavior of non-modified, Pt-modified and Pt/polyanilinemodified carbon fiber textile electrodes was studied through a series of electroreduction/electrooxidation electrolyses, performed under potentiostatic conditions, for an amaranth/sulphuric solution in the presence or absence of chloride ion. Both Pt electrodeposition and aniline polymerization were carried out potentio...
متن کاملElectrocatalytic oxidation of methanol on platinum modified polyaniline electrodes
Electrocatalytic oxidation of methanol on Pt modified polyaniline electrodes was investigated with the aim of developing highly active composite electrodes for direct methanol fuel cells. Cyclic voltammetry and chronoamperometry were used to evaluate the catalytic activity in sulfuric acid solutions containing methanol. Pt / polyaniline modified carbon electrodes showed higher catalytic activit...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: NIPPON KAGAKU KAISHI
سال: 1988
ISSN: 2185-0925,0369-4577
DOI: 10.1246/nikkashi.1988.1426