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Non‐Precious Metal Catalysts Prepared By Zeolitic Imidazolate Frameworks: The Ligand Influence to Morphology and Performance

Journal Article · · Fuel Cells

Abstract

A new, “one‐pot” synthesis to produce highly active non‐PGM electrocatalysts for PEM fuel cells was previously developed by pyrolyzing Fe doped zeolitic imidazolate framework (ZIF) materials prepared by solid‐state interaction. Excellent catalytic oxygen reduction reaction (ORR) activities were found through rotating ring‐disk electrode (RRDE) and single fuel cell tests. In this study, we compared the ORR activities and structural properties of two catalysts derived from ZIFs containing imidazole and methyl imidazole ligands, respectively. Our results indicate that alkyl group substitution in the imidazolate ligand has a profound effect on the final catalyst performance.

Sponsoring Organization:
USDOE
OSTI ID:
1786410
Alternate ID(s):
OSTI ID: 1332999
Journal Information:
Fuel Cells, Journal Name: Fuel Cells Journal Issue: 4 Vol. 16; ISSN 1615-6846
Publisher:
Wiley Blackwell (John Wiley & Sons)Copyright Statement
Country of Publication:
Germany
Language:
English

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