Solid Oxide Fuel Cell with Corrugated Thin Film Electrolyte

A low temperature micro solid oxide fuel cell with corrugated electrolyte membrane was developed and tested. To increase the electrochemically active surface area, yttria-stabilized zirconia membranes with thickness of 70 nm were deposited onto prepatterned silicon substrates. Fuel cell performance...

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Bibliographic Details
Published inNano letters Vol. 8; no. 8; pp. 2289 - 2292
Main Authors Su, Pei-Chen, Chao, Cheng-Chieh, Shim, Joon Hyung, Fasching, Rainer, Prinz, Fritz B
Format Journal Article
LanguageEnglish
Published Washington, DC American Chemical Society 01.08.2008
Subjects
Applied sciences
Direct energy conversion and energy accumulation
Electrical engineering. Electrical power engineering
Electrical power engineering
Electrochemical conversion: primary and secondary batteries, fuel cells
Exact sciences and technology
Stabilized zirconia
Electrolyte
Surface area
Solid oxide fuel cell
Fuel cell
Thin film
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Summary:A low temperature micro solid oxide fuel cell with corrugated electrolyte membrane was developed and tested. To increase the electrochemically active surface area, yttria-stabilized zirconia membranes with thickness of 70 nm were deposited onto prepatterned silicon substrates. Fuel cell performance of the corrugated electrolyte membranes released from silicon substrate showed an increase of power density relative to membranes with planar electrolytes. Maximum power densities of the corrugated fuel cells of 677 mW/cm2 and 861 mW/cm2 were obtained at 400 and 450 °C, respectively.
Bibliography:ObjectType-Article-1
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ISSN:1530-6984
1530-6992
DOI:10.1021/nl800977z