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High performance anode with dendritic porous structure for low temperature solid oxide fuel cells |
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| Authors: | Xin Shao William D.A. Rickard Dehua Dong Huu Dang Martin Saunders Aaron Dodd Gordon Parkinson Chun-Zhu Li |
| Affiliation: | 1. Fuels and Energy Technology Institute, Curtin University of Technology, Perth, WA, 6845, Australia;2. John de Laeter Centre, Curtin University of Technology, Perth, WA, 6845, Australia;3. Centre for Microscopy, Characterisation and Analysis, The University of Western Australia, Perth, WA, 6009, Australia |
| Abstract: | A dendritic porous supported microstructure simultaneously creates small pore size and broad gas diffusion pathways in a solid oxide fuel cell anode membrane. This microstructure also achieves pore sizes that reduce with increasing depth within the membrane without increasing the structure tortuosity. Such a microstructure supplies high triple phase boundary density, fast gas diffusion and low polarization resistance. Here we characterise the performance of a porous anode with such a dendritic microstructure. The solid oxide fuel cell with this high performance anode achieved 0.92 W cm?2 power density at 600 °C. |
| Keywords: | Low-temperature fuel cells Dendritic Microchannel Anode microstructure Porous structure |
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