Browse > Article
http://dx.doi.org/10.5762/KAIS.2018.19.1.63

Artificial Photosynthesis System Containing CO2 Conversion Process  

Kim, Kibum (Department of Mechanical Engineering, Chungbuk National University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.19, no.1, 2018 , pp. 63-68 More about this Journal
Abstract
This paper presents an integrated photochemical reaction system (i.e., an artificial leaf) that uses earth-abundant catalysts for artificial photosynthesis with a carbon dioxide ($CO_2$) fixation process. The performance of the system was investigated in terms of the energy capture and conversion capabilities. A wireless configuration was achieved by directly doping cobalt oxide as an oxygen-evolving catalyst for water splitting reaction on the illuminated surface of photovoltaic (PV) cell, as well as molybdenum disulfide ($MoS_2$) as an efficient catalyst for $CO_2$ reduction on the back substrate surfaces of the PV cell. The system produces hydrogen and carbon monoxide (CO) as sustainable fuels (i.e., synthesis gas) at around 4.5% efficiency, which implies more than 75% catalytic efficiency at the cathode. The process of solar-driven $CO_2$ conversion and water-splitting reaction is contained in one system, which is one step closer to the successful realization of artificial photosynthesis.
Keywords
Artificial leaf; $CO_2$ conversion; Molybdenum disulfide($MoS_2$); Photovoltaic (PV) cell; Solar to fuel efficiency;
Citations & Related Records
연도 인용수 순위
  • Reference
1 S. J. Davis, K. Caldeira, H. D. Matthews, "Future CO2 emissions and climate change from existing energy infrastructure", Science, vol. 329, no. 5997, 2010. DOI: https://doi.org/10.1126/science.1188566   DOI
2 J. Tollefson, "US seeks solar flair for fuels," Nature, vol. 466, no. 541, 2010. DOI: https://doi.org/10.1038/466541a   DOI
3 S. Y. Reece, J. A. Hamel, K. Sung, T. D. Jarvi, A. J. Esswein, J. J. Pijpers, D. G. Nocera, "Wireless solar water splitting using silicon-based semiconductors and earth-abundant catalysts," Science, vol. 329, no. 645, 2011. DOI: https://doi.org/10.1126/science.1209816   DOI
4 B. A. Rosen, A. Salehi-Khojin, M. R. Thorson, W. Zhu, D. T. Whipple, P. J. Kenis, R. I. Masel, "Ionic liquid-mediated selectuve conversion of Co2 to CO at low overpotentials," Science, vol. 334, no. 643, 2011.
5 M. Asadi, B. Kumar, A. Behranginia, B. A. Rosen, A. Baskin, N. Repnin, D. Pisasale, R. Philips, W. Zhu, R. Haasch, R. F. Kile, P. Kral, J. Abiade, A. Salehi-Khojin, "Robust carbon dioxide reduction on molybdenum disulphide edges," Nature Communications 5, 2014. DOI: https://doi.org/10.1038/ncomms5470   DOI
6 L. Urukova, J. Vorholz, G. Maurer, "Solubility of CO2, CO, and H2 in the ionic liquid[bmim][PF6]from Monte carlo simulations," Journal of Physical Chemistry B, vol. 109, no. 24, 2005. DOI: https://doi.org/10.1021/jp050888j   DOI
7 National Renewable Energy Laboratory. Available From: http://www.nrel.gov/ncpv/images/efficiency_chart.jpg. (accessed Feb., 24, 2016)