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

被引：8

作者：

Barkholtz, H. M. ^{[1
]}

Chong, L. ^{[1
]}

Kaiser, Z. B. ^{[1
]}

Liu, D. J. ^{[1
]}

机构：

[1] Argonne Natl Lab, Chem Sci & Engn Div, 9700 S Cass Ave, Argonne, IL 60439 USA

来源：

FUEL CELLS | 2016年 / 16卷 / 04期

关键词：

Catalyst; Fuel Cells; Metal-Organic Frameworks; Non-PGM; Oxygen Reduction; PEMFC; OXYGEN REDUCTION REACTION; NITROGEN-DOPED CARBON; ORGANIC FRAMEWORKS; ELECTROCATALYSTS; GRAPHENE; BLACK;

D O I：

10.1002/fuce.201500164

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

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.

引用

页码：428 / 433

页数：6

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