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首页> 外文期刊>Journal of power sources >GBC-impregnated Ni anodes for direct utilization of methane in solid oxide fuel cells
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GBC-impregnated Ni anodes for direct utilization of methane in solid oxide fuel cells

机译：GBC浸渍的Ni阳极用于直接利用固体氧化物燃料电池中的甲烷

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摘要

Anodes for the direct utilization of methane in solid oxide fuel cells (SOFC) are developed by ion impregnation of the electronic conducting and porous Ni electrode with oxygen ion conducting Gd-doped CeO_2 (GDC) phase. GDC-impregnated Ni anode was found to be very stable when exposed to weakly humidified (approx 3percent H_2O) methane under open circuit at 800 deg C, as compared to pure Ni and Ni/GDC cermet anodes. The stability of GDC-impregnated Ni in wet methane was further improved when an anodic current load of 20 mA CM~(-2) was applied. The results indicate that GDC-impregnated Ni-based anodes could be potentially used for the direct utilization of natural gas fuel in SOFC.
机译：通过用氧离子传导Gd掺杂的CeO_2（GDC）相对电子导电和多孔Ni电极进行离子浸渍，开发了可在固体氧化物燃料电池（SOFC）中直接利用甲烷的阳极。与纯Ni和Ni / GDC金属陶瓷阳极相比，GDC浸渍的Ni阳极在开路在800℃下暴露于弱湿的甲烷（约3％H_2O）时，发现非常稳定。当施加20 mA CM〜（-2）的阳极电流负载时，GDC浸渍的Ni在湿甲烷中的稳定性进一步提高。结果表明，GDC浸渍的镍基阳极可潜在地用于SOFC中天然气燃料的直接利用。

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