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Bipolar Membrane‐Assisted Solar Water Splitting in Optimal pH

Bipolar Membrane‐Assisted Solar Water Splitting in Optimal pH COMMUNICATION www.advenergymat.de www.MaterialsViews.com Bipolar Membrane-Assisted Solar Water Splitting in Optimal pH Jingshan Luo ,* David A. Vermaas , Dongqin Bi , Anders Hagfeldt , Wilson A. Smith ,* and Michael Grätzel Solar-driven water splitting has been considered as the Holy In an overall water splitting system, catalyst design has to [ 1 ] Grail of photoelectrochemistry. In its process, solar energy be considered for both reactions. In order to realize effi cient is harvested and directly converted into hydrogen, solving the and long term water splitting, a strong acid or base electrolyte issue of solar intermittency and providing fuels ready for use, has to be used to increase the conductivity and minimize the storage and transportation. During the past several decades, pH gradient that arises from the proton consumption at the [ 8 ] various approaches have been taken to target this goal energy cathode and proton production at the anode. Such a require- effi ciently and cost effectively, which can be summarized into ment limits the choice of available catalysts, as most of the three categories: photoelectrochemical (PEC) water splitting, a effi cient and Earth-abundant oxygen evolution catalysts are not photovoltaic biased photoelectrochemical (PV-PEC) approach stable in acidic http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Advanced Energy Materials Wiley

Bipolar Membrane‐Assisted Solar Water Splitting in Optimal pH

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References (45)

Publisher
Wiley
Copyright
Copyright © 2016 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim
ISSN
1614-6832
eISSN
1614-6840
DOI
10.1002/aenm.201600100
Publisher site
See Article on Publisher Site

Abstract

COMMUNICATION www.advenergymat.de www.MaterialsViews.com Bipolar Membrane-Assisted Solar Water Splitting in Optimal pH Jingshan Luo ,* David A. Vermaas , Dongqin Bi , Anders Hagfeldt , Wilson A. Smith ,* and Michael Grätzel Solar-driven water splitting has been considered as the Holy In an overall water splitting system, catalyst design has to [ 1 ] Grail of photoelectrochemistry. In its process, solar energy be considered for both reactions. In order to realize effi cient is harvested and directly converted into hydrogen, solving the and long term water splitting, a strong acid or base electrolyte issue of solar intermittency and providing fuels ready for use, has to be used to increase the conductivity and minimize the storage and transportation. During the past several decades, pH gradient that arises from the proton consumption at the [ 8 ] various approaches have been taken to target this goal energy cathode and proton production at the anode. Such a require- effi ciently and cost effectively, which can be summarized into ment limits the choice of available catalysts, as most of the three categories: photoelectrochemical (PEC) water splitting, a effi cient and Earth-abundant oxygen evolution catalysts are not photovoltaic biased photoelectrochemical (PV-PEC) approach stable in acidic

Journal

Advanced Energy Materials – Wiley

Published: Jul 1, 2016

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