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Development of tellurium-modified carbon catalysts for oxygen reduction reaction in PEM fuel cells

Material type: TextSeries: ; Journal of Power Sources, 182(1), p.18-23, 2008Contained works:
  • Li, X
  • Liu, L
  • Lee, J
  • Popov, B.N
Subject(s): Online resources: Abstract: Tellurium (Te)-modified carbon catalyst for oxygen reduction reaction was prepared through chemical reduction of telluric acid followed by the pyrolysis process at elevated temperatures. The catalyst was found to be active for oxygen reduction reaction. High-temperature pyrolysis plays a crucial role in the formation of the active sites of the catalysts. When the pyrolysis was conducted at 1000 .C, the catalyst exhibited the onset potential for oxygen reduction as high as 0.78V vs. NHE and generated less than 1
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Tellurium (Te)-modified carbon catalyst for oxygen reduction reaction was prepared through chemical reduction of telluric acid followed by the pyrolysis process at elevated temperatures. The catalyst was found to be active for oxygen reduction reaction. High-temperature pyrolysis plays a crucial role in the formation of the active sites of the catalysts. When the pyrolysis was conducted at 1000 .C, the catalyst exhibited the onset potential for oxygen reduction as high as 0.78V vs. NHE and generated less than 1

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