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Issue 1, 2014
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Robust production of purified H2 in a stable, self-regulating, and continuously operating solar fuel generator

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Abstract

The development of practical solar-driven electrochemical fuel generators requires the integration of light absorbing and electrochemical components into an architecture that must also provide easy separation of the product fuels. Unfortunately, many of these components are not stable under the extreme pH conditions necessary to facilitate ionic transport between redox reaction sites. By using a controlled recirculating stream across reaction sites, this work demonstrates a stable, self-regulating and continuous purified solar-hydrogen generation from near neutral pH electrolytes that yield continuous nearly pure H2 streams with solar-fuel efficiencies above 6.2%.

Graphical abstract: Robust production of purified H2 in a stable, self-regulating, and continuously operating solar fuel generator

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Article information


Submitted
25 Sep 2013
Accepted
11 Nov 2013
First published
28 Nov 2013

Energy Environ. Sci., 2014,7, 297-301
Article type
Communication

Robust production of purified H2 in a stable, self-regulating, and continuously operating solar fuel generator

M. A. Modestino, K. A. Walczak, A. Berger, C. M. Evans, S. Haussener, C. Koval, J. S. Newman, J. W. Ager and R. A. Segalman, Energy Environ. Sci., 2014, 7, 297
DOI: 10.1039/C3EE43214A

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