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Issue 2, 2016
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High efficiency hydrogen evolution from native biomass electrolysis

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Abstract

A novel electrolysis approach for hydrogen evolution directly from native biomasses, such as cellulose, lignin and even wood and grass powders, to hydrogen at low temperature is presented. Using aqueous polyoxometalate (POM) as a catalyst at the anode, the raw biomass is oxidized and electrons are transferred to POM molecules by heating or light-irradiation. Protons from biomass diffuse to the cathode and are reduced to hydrogen. The electric energy consumption could be as low as 0.69 kW h per normal cubic meter of H2 (Nm−3 H2) at 0.2 A cm−2, which is only 16.7% of the energy consumed for the reported water electrolysis. Unlike the traditional electrolysis of alcohols, a noble-metal catalyst is not required at the anode.

Graphical abstract: High efficiency hydrogen evolution from native biomass electrolysis

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Article information


Submitted
02 Oct 2015
Accepted
21 Dec 2015
First published
21 Dec 2015

Energy Environ. Sci., 2016,9, 467-472
Article type
Communication
Author version available

High efficiency hydrogen evolution from native biomass electrolysis

W. Liu, Y. Cui, X. Du, Z. Zhang, Z. Chao and Y. Deng, Energy Environ. Sci., 2016, 9, 467
DOI: 10.1039/C5EE03019F

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