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Automatic high-pressure hydrogen generation from formic acid in the presence of nano-Pd heterogeneous catalysts at mild temperatures

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Abstract

High-pressure hydrogen is of great interest in the industrial utilization of hydrogen energy, especially for hydrogen fuel cell vehicles. In this work, a method of automatic high-pressure H2 generation by the decomposition of formic acid, a recently renowned hydrogen storage material, in the presence of a heterogeneous catalyst (palladium nano-particles on a graphene oxide catalyst (Pd/PDA–rGO)) was proposed. This catalyst can effectively catalyze the decomposition of formic acid to produce high-pressure H2 and CO2 over 35 MPa without any detectable formation of CO or other by-products. For example, a 36.3 MPa total gas pressure was successfully achieved using an aqueous solution of 6.7 mol L−1 formic acid and 6.7 mol L−1 sodium formate at 80 °C. This research provided a preliminary study on the automatic high-pressure hydrogen gas generation by the decomposition of formic acid without any compression facilities in the presence of a heterogeneous catalyst, which can be easily separated from the reaction process, for hydrogen energy utilization.

Graphical abstract: Automatic high-pressure hydrogen generation from formic acid in the presence of nano-Pd heterogeneous catalysts at mild temperatures

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Publication details

The article was received on 08 Mar 2017, accepted on 26 Apr 2017 and first published on 17 May 2017


Article type: Paper
DOI: 10.1039/C7SE00131B
Citation: Sustainable Energy Fuels, 2017, Advance Article
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    Automatic high-pressure hydrogen generation from formic acid in the presence of nano-Pd heterogeneous catalysts at mild temperatures

    H. Zhong, M. Iguchi, F. Song, M. Chatterjee, T. Ishizaka, I. Nagao, Q. Xu and H. Kawanami, Sustainable Energy Fuels, 2017, Advance Article , DOI: 10.1039/C7SE00131B

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