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Targeted filling of silica in Nafion by a modified in situ sol–gel method for enhanced fuel cell performance at elevated temperatures and low humidity

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Abstract

Herein, a modified in situ sol–gel method was applied to prepare the Nafion/silica composite membrane with targeted filling of silica into ionic clusters. The low humidity (20–60% RH) proton conductivity of Nafion was therefore doubled at elevated temperatures (110–120 °C), and the high-temperature fuel cell performance was significantly improved by 45%.

Graphical abstract: Targeted filling of silica in Nafion by a modified in situ sol–gel method for enhanced fuel cell performance at elevated temperatures and low humidity

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Publication details

The article was received on 12 Feb 2019, accepted on 08 Apr 2019 and first published on 08 Apr 2019


Article type: Communication
DOI: 10.1039/C9CC01221D
Citation: Chem. Commun., 2019, Advance Article

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    Targeted filling of silica in Nafion by a modified in situ sol–gel method for enhanced fuel cell performance at elevated temperatures and low humidity

    G. Xu, S. Li, J. Li, Z. Liu, Y. Li, J. Xiong, W. Cai, K. Qu and H. Cheng, Chem. Commun., 2019, Advance Article , DOI: 10.1039/C9CC01221D

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