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Doped calcium manganites for advanced high-temperature thermochemical energy storage [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy. Office of Energy Efficiency and Renewable Energy, 2015.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy
Physical Description
10 pages : digital, PDF file
Additional Creators
Sandia National Laboratories, United States. Department of Energy. Office of Energy Efficiency and Renewable Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
Developing efficient thermal storage for concentrating solar power plants is essential to reducing the cost of generated electricity, extending or shifting the hours of operation, and facilitating renewable penetration into the grid. Perovskite materials of the CaBxMn1-xO3-δ family, where B = Al or Ti, promise improvements in cost and energy storage density over other perovskites currently under investigation. Thermogravimetric analysis of the thermal reduction and reoxidation of these materials was used to extract equilibrium thermodynamic parameters. Lastly, the results demonstrate that these novel thermochemical energy storage media display the highest reaction enthalpy capacity for perovskites reported to date, with a reaction enthalpy of 390 kJ/kg, a 56% increase over previously reported compositions.
Report Numbers
E 1.99:sand2016-9419j
sand2016-9419j
Subject(s)
Note
Published through SciTech Connect.
12/16/2015.
"sand2016-9419j"
"647624"
International Journal of Energy Research 40 2 ISSN 0363-907X AM
Sean M. Babiniec; Eric N. Coker; James E. Miller; Andrea Ambrosini.
Funding Information
AC04-94AL85000
View MARC record | catkey: 23764922