期刊
ELECTROCHEMISTRY COMMUNICATIONS
卷 22, 期 -, 页码 41-44出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2012.05.026
关键词
Solid oxide fuel cells; Anode-supported; Dual-pore; Phase-inversion
资金
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology [2008TS04]
In this study, an anode-supported planar solid oxide fuel cell with a dual-pore anode is fabricated by the phase-inversion technique. The dual-pore anode with thin sponge-like porous layer and thick finger-like porous layer is fabricated in only one-step, and no pore formers are used in the fabrication process. Small sponge-like pores with fine microstructures offer expanding three-phase boundaries (TPBs) at the electrolyte/anode interface and long finger-like pores provide convenient channels for transporting the fuel gas to the anode reaction sites. Single cell with the dual-pore anode is successfully fabricated, demonstrating the maximum power densities of 0.52, 0.72, 0.87 and 1.15 W cm(-2) at 650, 700, 750 and 800 degrees C, respectively, with humidified (3% H2O) hydrogen as the fuel and stationary air as the oxidant. (C) 2012 Elsevier B.V. All rights reserved.
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