Pt-coordinated polyoxometalate, an anode catalyst of electrochemical methanol oxidation

Hitoshi Nakajima, Itaru Honma

研究成果: Article査読

12 被引用数 (Scopus)

抄録

A type of anode electrocatalyst for methanol oxidation, which was important for their application to direct methanol fuel cells, was synthesized by the reaction of tetrabutylammonium α-undecatungstosilicate and hydrogen hexachloroplatinum in acetone, followed by washing with water. This polyoxometalate coordinated platinum stoichiometrically in the lacunary site of Keggin-type polyanion. This polyoxometalate showed high methanol oxidation current despite low Pt ratio and oxide-base catalyst. This kind of electrocatalyst has the advantages of low Pt utilization, high Pt dispersion, acid tolerance, and well-characterized material as molecularitic metal oxide.

本文言語English
ページ(範囲)A135-A137
ジャーナルElectrochemical and Solid-State Letters
7
6
DOI
出版ステータスPublished - 2004 6月 16
外部発表はい

ASJC Scopus subject areas

  • 化学工学(全般)
  • 材料科学(全般)
  • 物理化学および理論化学
  • 電気化学
  • 電子工学および電気工学

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