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CO 2 ‐based energy vectors for the storage of solar energy

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  • Gabriele Centi
  • Siglinda Perathoner

Abstract

The analysis of the evolving scenario for a sustainable energy indicates that recycling CO 2 back to fuels (using sunlight) appears the preferable option to develop effective energy vectors for the storage of solar energy which integrates into existing energy infrastructure and allow a smooth, but fast transition to a more sustainable energy future. The different possible options to develop CO 2 ‐based energy vectors are overviewed to give a glimpse to the opportunities, prospects, and limits in this fast accelerating R&D area. Aspects analysis regards the catalytic hydrogenation of CO 2 to different possible fuels and/or chemicals and the generation of renewable H 2 via bioroutes, and thermo‐ or photo(electro)‐chemical approaches, with respect to the combination of PV cells (or other non‐carbon‐based electrical energy sources) and electrolyzers. The application of bioroutes, and thermo‐ or photo(electro)‐chemical approaches to the combined CO 2 and H 2 O direct conversion to (solar) fuels was also discussed and indicated as the challenging target to effectively develop CO 2 ‐based energy vectors that can fully enable the potential of renewable energy. © 2011 Society of Chemical Industry and John Wiley & Sons, Ltd

Suggested Citation

  • Gabriele Centi & Siglinda Perathoner, 2011. "CO 2 ‐based energy vectors for the storage of solar energy," Greenhouse Gases: Science and Technology, Blackwell Publishing, vol. 1(1), pages 21-35, March.
    • Handle: RePEc:wly:greenh:v:1:y:2011:i:1:p:21-35
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    1. Saeidi, Samrand & Najari, Sara & Fazlollahi, Farhad & Nikoo, Maryam Khoshtinat & Sefidkon, Fatemeh & Klemeš, Jiří Jaromír & Baxter, Larry L., 2017. "Mechanisms and kinetics of CO2 hydrogenation to value-added products: A detailed review on current status and future trends," Renewable and Sustainable Energy Reviews, Elsevier, vol. 80(C), pages 1292-1311.
    2. Budzianowski, Wojciech M., 2012. "Value-added carbon management technologies for low CO2 intensive carbon-based energy vectors," Energy, Elsevier, vol. 41(1), pages 280-297.
    3. Ganesh, Ibram, 2016. "Electrochemical conversion of carbon dioxide into renewable fuel chemicals – The role of nanomaterials and the commercialization," Renewable and Sustainable Energy Reviews, Elsevier, vol. 59(C), pages 1269-1297.
    4. Zhao, Ruikai & Deng, Shuai & Liu, Yinan & Zhao, Qing & He, Junnan & Zhao, Li, 2017. "Carbon pump: Fundamental theory and applications," Energy, Elsevier, vol. 119(C), pages 1131-1143.
    5. Liu, Yinan & Deng, Shuai & Zhao, Ruikai & He, Junnan & Zhao, Li, 2017. "Energy-saving pathway exploration of CCS integrated with solar energy: A review of innovative concepts," Renewable and Sustainable Energy Reviews, Elsevier, vol. 77(C), pages 652-669.

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