Networking Pyrolyzed Zeolitic Imidazolate Frameworks by Carbon Nanotubes Improves Conductivity and Enhances Oxygen‐Reduction Performance in Polymer‐Electrolyte‐Membrane Fuel Cells

A high‐performance nonprecious‐metal oxygen‐reduction electrocatalyst is prepared via in situ growth of bimetallic zeolitic imidazolate frameworks on multiwalled carbon nanotubes (CNTs) followed by adsorption of furfuryl alcohol and pyrolysis. The networking boosts the conductivity and performance i...

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Published inAdvanced materials (Weinheim) Vol. 29; no. 4; pp. np - n/a
Main Authors Zhang, Chao, Wang, Yu‐Cheng, An, Bing, Huang, Ruiyun, Wang, Cheng, Zhou, Zhiyou, Lin, Wenbin
Format Journal Article
LanguageEnglish
Published Germany Wiley Subscription Services, Inc 01.01.2017
Subjects
Adsorption
Bimetals
Carbon nanotubes
Electrocatalysts
Electrolytes
Electrolytic cells
Energy density
Fuel cells
Furfuryl alcohol
Metal-organic frameworks
Multi wall carbon nanotubes
Nanotubes
oxygen‐reduction reaction
Proton exchange membrane fuel cells
Pyrolysis
zeolitic imidazolate frameworks
oxygen-reduction reaction
zeolitic imidazolate frameworks
proton-exchange-membrane fuel cells
carbon nanotubes
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Summary:A high‐performance nonprecious‐metal oxygen‐reduction electrocatalyst is prepared via in situ growth of bimetallic zeolitic imidazolate frameworks on multiwalled carbon nanotubes (CNTs) followed by adsorption of furfuryl alcohol and pyrolysis. The networking boosts the conductivity and performance in a polymer electrolyte membrane fuel cell, yielding a maximal power density of 820 mW cm−2.
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ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201604556