Application of silica as a catalyst support at high concentrations of methanol for direct methanol fuel cells

Kidon Nam, Seongyop Lim, Sang Kyung Kim, Seong Ho Yoon, Doo Hwan Jung

研究成果: ジャーナルへの寄稿記事

28 引用 (Scopus)

抄録

Various silica particles were adopted as catalyst supports, and silica-supported PtRu catalysts were evaluated as catalysts for the anode of direct methanol fuel cells at methanol concentrations of 1-10 M through single cell tests. Compared to a carbon black supported Pt-Ru catalysts, the silica-supported Pt-Ru catalysts exhibited higher performance in MEA, especially with high concentration over 3 M, and the maximum power density reached to 90 mW cm -2 and 60 mW cm -2 with 5 M and 10 M, respectively, which were 1.5 and 3 times higher than the reference carbon black supported catalysts. It was found that the silica particles as a catalyst support have a significant effect on reduction of methanol crossover and control of fuel feeding. Such a high performance in the operation with high concentrations was confirmed in the long-term durability test.

元の言語英語
ページ(範囲)4619-4626
ページ数8
ジャーナルInternational Journal of Hydrogen Energy
37
発行部数5
DOI
出版物ステータス出版済み - 3 1 2012

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Direct methanol fuel cells (DMFC)
Catalyst supports
fuel cells
Methanol
methyl alcohol
Silica
silicon dioxide
catalysts
Carbon black
Catalysts
Anodes
Durability
carbon
durability
radiant flux density
crossovers
anodes
cells

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Condensed Matter Physics
  • Energy Engineering and Power Technology

これを引用

Application of silica as a catalyst support at high concentrations of methanol for direct methanol fuel cells. / Nam, Kidon; Lim, Seongyop; Kim, Sang Kyung; Yoon, Seong Ho; Jung, Doo Hwan.

:: International Journal of Hydrogen Energy, 巻 37, 番号 5, 01.03.2012, p. 4619-4626.

研究成果: ジャーナルへの寄稿記事

Nam, Kidon ; Lim, Seongyop ; Kim, Sang Kyung ; Yoon, Seong Ho ; Jung, Doo Hwan. / Application of silica as a catalyst support at high concentrations of methanol for direct methanol fuel cells. :: International Journal of Hydrogen Energy. 2012 ; 巻 37, 番号 5. pp. 4619-4626.
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