Micro-solid oxide fuel cells: status,challenges, and chances |
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| Authors: | Anna Evans Anja Bieberle-Hütter Henning Galinski Jennifer L. M. Rupp Thomas Ryll Barbara Scherrer René Tölke Ludwig J. Gauckler |
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| Affiliation: | 1.Nonmetallic Inorganic Materials,ETH Zurich,Zurich,Switzerland;2.Nonmetallic Inorganic Materials,ETH Zurich,Zurich,Switzerland;3.Nonmetallic Inorganic Materials,ETH Zurich,Zurich,Switzerland;4.Nonmetallic Inorganic Materials,ETH Zurich,Zurich,Switzerland;5.Nonmetallic Inorganic Materials,ETH Zurich,Zurich,Switzerland;6.Nonmetallic Inorganic Materials,ETH Zurich,Zurich,Switzerland |
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| Abstract: | Abstract Micro-solid oxide fuel cells (micro-SOFC) are predicted to be of high energy density and are potential power sources for portable
electronic devices. A micro-SOFC system consists of a fuel cell comprising a positive electrode-electrolyte-negative electrode
(i.e. PEN) element, a gas-processing unit, and a thermal system where processing is based on micro-electro-mechanical-systems
fabrication techniques. A possible system approach is presented. The critical properties of the thin film materials used in
the PEN membrane are discussed, and the unsolved subtasks related to micro-SOFC membrane development are pointed out. Such
a micro-SOFC system approach seems feasible and offers a promising alternative to state-of-the-art batteries in portable electronics.
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| Keywords: | Micro-solid oxide fuel cell Thin film deposition MEMS Microfabrication Gas processing Thermal system |
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