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Phosphoric acid functionalized pre-sintered meso-silica for high temperature proton exchange membrane fuel cells

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Authors
Zeng, J.
He, B.
Lamb, K.
De Marco, Roland
Shen, P.
Jiang, San Ping
Date
2013
Type
Journal Article

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Zeng, Jie and He, Beibei and Lamb, Krystina and De Marco, Roland and Shen, Pei Kang and Jiang, San Ping. 2013. Phosphoric acid functionalized pre-sintered meso-silica for high temperature proton exchange membrane fuel cells. Chemical Communications. 49 (41): pp. 4655-4657.
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Chemical Communications
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Abstract

An inorganic proton exchange membrane based on sintered mesoporous silica and phosphoric acid was developed with a high proton conductivity of 0.06 S cm−1 at 200 °C, achieving an excellent power output of 689 mW cm−2 in H2 at 190 °C and 200 mW cm−2 in methanol at 200 °C with no external humidification.