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@ARTICLE{Veenstra:1018986,
author = {Veenstra, Florentine LP and Cibaka, Therese and Martín,
Antonio J and Weigand, Daniel and Kirchhoff, Joachim and
Smirnov, Vladimir and Merdzhanova, Tsvetelina and
Pérez-Ramírez, Javier},
title = {{CO}2 electroreduction to syngas with tunable composition
in an artificial leaf},
journal = {ChemSusChem},
volume = {1864-5631},
issn = {1864-5631},
address = {Weinheim},
publisher = {Wiley-VCH},
reportid = {FZJ-2023-05055},
pages = {e202301398},
year = {2024},
note = {Bitte Post-print ergänzen},
abstract = {Artificial leaves (a-leaves) can reduce carbon dioxide into
syngas using solar power and could be combined with thermo-
and biocatalytic technologies to decentralize the production
of valuable products. By providing variable CO:H2 ratios on
demand, a-leaves could facilitate optimal combinations and
control the distribution of products in most of these hybrid
systems. However, the current design procedures of a-leaves
concentrate on achieving high performance for a
predetermined syngas composition. This study demonstrates
that incorporating the electrolyte flow as a design variable
enables flexible production without compromising
performance. The concept was tested on an a-leaf using a
commercial cell, a Cu2O:Inx cathodic catalyst, and an
inexpensive amorphous silicon thin-film photovoltaic module.
Syngas with CO:H2ratio in the range of 1.8-2.3 could be
attained with only $2\%$ deviation from the optimal cell
voltage and controllable solely by catholyte flow. These
features could be beneficial for downstream technologies
such as Fischer Tropsch synthesis and anaerobic
fermentation.},
cin = {IEK-5},
ddc = {540},
cid = {I:(DE-Juel1)IEK-5-20101013},
pnm = {1213 - Cell Design and Development (POF4-121) / A-LEAF - An
Artificial Leaf: a photo-electro-catalytic cell from
earth-abundant materials for sustainable solar production of
CO2-based chemicals and fuels (732840)},
pid = {G:(DE-HGF)POF4-1213 / G:(EU-Grant)732840},
typ = {PUB:(DE-HGF)16},
pubmed = {37975726},
UT = {WOS:001115627900001},
doi = {10.1002/cssc.202301398},
url = {https://juser.fz-juelich.de/record/1018986},
}