Open AccessPower-To-Storage - The Use of an Anode-Supported Solid Oxide Fuel Cell as a High-Temperature Battery
Author(s) -
Norbert H. Menzler,
A. Hospach,
L. Niewolak,
Martin Bram,
O. Tokariev,
Cornelius M. Berger,
Peter Orzessek,
W. J. Quadakkers,
Qingping Fang,
Hans Peter Buchkremer
Publication year - 2013
Publication title -
ecs transactions
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.235
H-Index - 52
eISSN - 1938-6737
pISSN - 1938-5862
DOI - 10.1149/05701.0255ecst
Subject(s) - oxidizing agent , energy storage , battery (electricity) , anode , stack (abstract data type) , renewable energy , hydrogen storage , solid oxide fuel cell , oxide , materials science , waste management , hydrogen fuel , electricity , electrolysis , fuel cells , nuclear engineering , environmental science , process engineering , electrical engineering , power (physics) , metallurgy , chemistry , engineering , electrode , chemical engineering , computer science , thermodynamics , physics , organic chemistry , alloy , programming language , electrolyte
A novel high-temperature energy storage system based on an SOFC is presented (Power-to-Storage). The energy is stored as a metal/metal oxide which is part of the fuel side. However, in contrast to a classical SOFC, the fuel side is kept under stagnant hydrogen/water vapor. By using the cell as an electrolyzer (SOEC), the surplus electricity (from renewable energy sources) is used to charge the system by reducing a metal oxide. Vice versa, if energy is needed the system works as an SOFC thereby oxidizing the metal (discharging the battery). First results from storage material development and stack testing are presented
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