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Compact Reforming Process Using High-Performance and Long-Lived CO Preferential Oxidation over an Activated Ru/Al2O3 Catalyst for PEFC

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Abstract

Compact natural gas reforming process using high-performance and long-lived CO preferential oxidation (PROX) over an activated Ru/Al2O3 catalyst has been developed for residential polymer electrolyte fuel cell (PEFC) systems. The long-term durability of the catalyst was demonstrated for more than 40,000 h. After 40,000 h operation, CO was removed from a reformed gas to below 1 ppm on the activated Ru/Al2O3 catalyst at [O2]/[CO] = 1.5. The high activity and selectivity of the catalyst were maintained for more than 40,000 h. Moreover, the start–stop durability for more than 3,000 cycles of the activated Ru/Al2O3 catalyst was also demonstrated without N2 purge.

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Authors and Affiliations

  1. Fuel Cell Development Department, Osaka Gas Co., Ltd, 3-4, Hokko Shiratsu 1-chome, Konohana-ku, Osaka, 554-0041, Japan

    Mitsuaki Echigo & Takeshi Tabata

Authors
  1. Mitsuaki Echigo
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  2. Takeshi Tabata
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Correspondence to Mitsuaki Echigo.

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Echigo, M., Tabata, T. Compact Reforming Process Using High-Performance and Long-Lived CO Preferential Oxidation over an Activated Ru/Al2O3 Catalyst for PEFC. Top Catal 52, 739–742 (2009). https://doi.org/10.1007/s11244-009-9208-2

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