Thermochemical energy storage (TCES) offers the potential for greatly increased storage density relative to sensible-only energy storage. Moreover, heat may be stored indefinitely in the form of chemical bonds via TCES, accessed upon demand, and converted to heat at temperatures significantly higher than current solar thermal electricity production technology and is therefore well-suited to more efficient high-temperature power cycles. The PROMOTES effort seeks to advance both materials and systems for TCES through the development and demonstration of an innovative storage approach for solarized Air-Brayton power cycles and that is based on newly-developed redox-active metal oxides that are mixed ionic-electronic conductors (MIEC). In this paper we summarize the system concept and review our work to date towards developing materials and individual components.
- Advanced Energy Systems Division
- Solar Energy Division
High Performance Reduction/Oxidation Metal Oxides for Thermochemical Energy Storage (PROMOTES)
Miller, JE, Ambrosini, A, Babiniec, SM, Coker, EN, Ho, CK, Al-Ansary, H, Jeter, SM, Loutzenhiser, PG, Johnson, NG, & Stechel, EB. "High Performance Reduction/Oxidation Metal Oxides for Thermochemical Energy Storage (PROMOTES)." Proceedings of the ASME 2016 10th International Conference on Energy Sustainability collocated with the ASME 2016 Power Conference and the ASME 2016 14th International Conference on Fuel Cell Science, Engineering and Technology. Volume 1: Biofuels, Hydrogen, Syngas, and Alternate Fuels; CHP and Hybrid Power and Energy Systems; Concentrating Solar Power; Energy Storage; Environmental, Economic, and Policy Considerations of Advanced Energy Systems; Geothermal, Ocean, and Emerging Energy Technologies; Photovoltaics; Posters; Solar Chemistry; Sustainable Building Energy Systems; Sustainable Infrastructure and Transportation; Thermodynamic Analysis of Energy Systems; Wind Energy Systems and Technologies. Charlotte, North Carolina, USA. June 26–30, 2016. V001T04A024. ASME. https://doi.org/10.1115/ES2016-59660
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