Publication: Solar cells with one-day energy payback for the factories of the future
Authors
Espinosa, Nieves ; Hösel, M. ; Angmo, Dechan ; Krebs, Frederik C.
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Publisher
Royal Society of Chemistry
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DOI
https://doi.org/10.1039/c1ee02728j
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info:eu-repo/semantics/article
Description
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Abstract
Scalability is a requirement before any new energy source can be expected to house a possible solution to
the challenge that mankind’s increasing energy demand presents. No renewable energy source is as
abundant as the Sun and yet efficient and low-cost conversion of solar energy still has not been developed.
We approach the challenge by firstly taking a technology that efficiently addresses the need for daily
production of 1 GWp on a global level, which does not employ elements with critically low abundance
and has a low thermal budget. We then applied life cycle assessment methodologies to direct research and
developed such technology in the form of a polymer solar cell that presents a significant improvement in
energy payback time (EPBT) and found that very short energy payback times on the order of one day are
possible, thus potentially presenting a solution to the current energy gap of >14 TW by year 2050.
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Citation
Energy & Environmental Science, 2012, 5, 5117–5132
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