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Novel co-extruded electrolyte–anode hollow fibres for solid oxide fuel cells

Droushiotis, Nicolas and Othman, Mohd Hafiz Dzarfan and Doraswami, Uttam and Wu, Zhentao and Kelsall, Geoff and Li, Kang (2009) Novel co-extruded electrolyte–anode hollow fibres for solid oxide fuel cells. Electrochemistry Communications, 11 (9). pp. 1799-1802. ISSN 13882481

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Official URL: http://dx.doi.org/10.1016/j.elecom.2009.07.022


Novel CGO/NiO-CGO dual-layer hollow fibres (HFs) have been fabricated in a single-step co-extrusion and co-sintering process. LSCF-CGO cathodes layers were then deposited onto the dual-layer HFs to construct micro-tubular SOFCs. The NiO in the micro-tubular HF-SOFCs was reduced at 550 degrees C using hydrogen gas to form Ni anodes. Scanning electron microscope images showed that the dual-layer HFs have porous anodes and dense electrolyte layers. Preliminary measurements with a HF-SOFC fed with H(2) and atmospheric oxygen, produced maximum power densities of 420 W m(-2) and 800 W m(-2) at 450 degrees C and 550 degrees C, respectively.

Item Type:Article
Uncontrolled Keywords:micro-tubular SOFC, CGO, Ni, LSCF, co-extrusion, hollow fibres
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions:Electrical Engineering
ID Code:13212
Deposited By: S.N.Shahira Dahari
Deposited On:21 Jul 2011 06:38
Last Modified:21 Jul 2011 06:38

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