Performance analysis of Cu, Sn and Rh impregnated NiO/CGO91 anode for butane internal reforming SOFC at intermediate temperature

Kwangjin Park, Sangho Lee, Gyujong Bae and Joongmyeon Bae

Renewable Energy, 2015, vol. 83, issue C, 483-490

Abstract: In this work, the performance of solid oxide fuel cells (SOFC) consisting of Cu, Sn and Rh impregnated NiO/CGO91 anode is investigated for butane internal reforming mode at an intermediate temperature (600 °C). Steam reforming activities of Ni and Ce0.9Gd0.1O2 (CGO91) and Ni and Y0.08Zr0.92O2 (8YSZ) are tested as anode materials of internal reforming SOFC. In butane steam reforming, NiO/CGO91 shows better performance than NiO/8YSZ. However, butane is incomplete converted over NiO/CGO91 even if the gas hourly space velocity is very low. Cu, Sn and Rh are added to the NiO/CGO91 materials to increase the conversion of butane. Among the additives, the Rh is the most effective, resulting in 100% of butane conversion and no carbon deposition. Moreover, Rh added NiO/CGO91 SOFC single cell have a very low degradation rate when the SOFC sing cell is operated in internal reforming mode using butane.

Keywords: Solid oxide fuel cell (SOFC); Butane; Internal reforming; Carbon deposition; Rhodium (search for similar items in EconPapers)
Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:83:y:2015:i:c:p:483-490

DOI: 10.1016/j.renene.2015.04.070

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