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Royal Society of Chemistry, Catalysis Science & Technology, 5(4), p. 1400-1406

DOI: 10.1039/c4cy00119b

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Highly durable Pt-free fuel cell catalysts prepared by multi-step pyrolysis of Fe phthalocyanine and phenolic resin

Journal article published in 2014 by Yuta Nabae ORCID, Mayu Sonoda, Chiharu Yamauchi, Yo Hosaka, Ayano Isoda, Tsutomu Aoki
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Pt-free cathode catalysts for polymer electrolyte membrane fuel cells have been developed by multi-step pyrolysis of Fe phthalocyanine (FePc) and phenolic resin (PhRs), the best of which shows a promising fuel cell performance: 1.0 A cm−2 at 0.38 V with 0.2 MPa of H2 and O2 at 80 °C. Durability tests over 800 h have been completed and they suggest good stability of the catalyst. This promising fuel cell performance and durability can be achieved because the multi-step pyrolysis of FePc and PhRs can overcome the trade-off between the heat treatment temperature and catalytic activity by combining the stepwise heat treatments and acid washing.