Solar energy-driven electrosynthetic reduction as an efficient, sustainable method of storing energy and decreasing the level of atmospheric carbon dioxide

Details Solar energy-driven electrosynthetic reduction as an efficient, sustainable method of storing energy and decreasing the level of atmospheric carbon dioxide Solar energy-driven electrosynthetic reduction as an efficient, sustainable method of storing energy and decreasing the level of atmospheric carbon dioxide

Feb 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aps..aprg10002a&link_type=abstract

American Physical Society, APS April Meeting 2010, February 13-16, 2010, abstract #G10.002

Physics

Scientific paper

Carbon Dioxide is the most abundant greenhouse gas, contributing to the global warming of our planet. To address this challenge, we propose to harness solar energy to convert carbon dioxide into useful energetic carbon products. What makes this process difficult is the nature of carbon dioxide. Carbon dioxide is inherently very stable and noncombustible; this thermodynamic stability creates a very high activation energy that is challenging to meet. We overcome this challenge with a hybrid solar process that takes advantage of both the visible and thermal portions of solar energy to reach the necessary electrochemical reduction potential. With this hybrid process, known as STEP (Solar Thermal Electrochemical Photo), we can raise solar energy efficiency higher than achieved by even the most efficient solar photovoltaics and electrochemically form useful carbon products which trap and store energy. Fundamental details at: J. Phys. Chem., C, 113, 16283 (2009). )

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