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나노입자 연구단
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Facile and gram-scale synthesis of metal-free catalysts: Toward realistic applications for fuel cells

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Title
Facile and gram-scale synthesis of metal-free catalysts: Toward realistic applications for fuel cells
Author(s)
Kim O.-H.; Cho Y.-H.; Dong Young Chung; Min Jeong Kim; Ji Mun Yoo; Ji Eun Park; Choe H.; Yung-Eun Sung
Publication Date
2015-03
Journal
SCIENTIFIC REPORTS, v.5, no., pp.8376 -
Publisher
NATURE PUBLISHING GROUP
Abstract
Although numerous reports on nonprecious metal catalysts for replacing expensive Pt-based catalysts have been published, few of these studies have demonstrated their practical application in fuel cells. In this work, we report graphitic carbon nitride and carbon nanofiber hybrid materials synthesized by a facile and gram-scale method via liquid-based reactions, without the use of toxic materials or a high pressure-high temperature reactor, for use as fuel cell cathodes. The resulting materials exhibited remarkable methanol tolerance, selectivity, and stability even without a metal dopant. Furthermore, these completely metal-free catalysts exhibited outstanding performance as cathode materials in an actual fuel cell device: a membrane electrode assembly with both acidic and alkaline polymer electrolytes. The fabrication method and remarkable performance of the single cell produced in this study represent progressive steps toward the realistic application of metal-free cathode electrocatalysts in fuel cells
URI
http://pr.ibs.re.kr/handle/8788114/2103
DOI
10.1038/srep08376
ISSN
2045-2322
Appears in Collections:
Center for Nanoparticle Research(나노입자 연구단) > Journal Papers (저널논문)
Files in This Item:
27.Scientific Reports_201503.pdfDownload

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