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首页> 外文会议>International symposium on solid oxide fuel cells;SOFC-XII >Metal-Supported Cells with Comparable Performance to Anode-Supported Cells in Short-Term Stack Environment
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Metal-Supported Cells with Comparable Performance to Anode-Supported Cells in Short-Term Stack Environment

机译：在短期堆叠环境中，金属支撑电池的性能可与阳极支撑电池相媲美

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摘要

Metal-supported fuel cells (MSC) are one of the most focused SOFC technologies world-wide for so-called APUs (auxiliary power units) in heavy duty vehicles. In the scope of the present work, MSC cells were developed on the basis of a porous support made from a ferritic oxide dispersion strengthened Fe-Cr alloy (ITM). A sintered anode of nickel and 8 mol% yttria stabilized zirconia (8YSZ) and an adaptation layer (8YSZ) were applied to provide a smooth surface with a defined residual porosity which allowed the deposition of a very thin, gas-tight electrolyte layer (approx. 1.5 μm) of gadolinium doped ceria (GDC) by reactive sputtering. First cell and stack-tests with a lanthanum strontium cobalt ferrite (LSCF) cathode are presented. In the stack, a current density of 1.2 A/cm~2 was reached at 800°C and 0.7 V. This was the same power output as conventional anode-supported cells (ASC) under the same testing conditions. Therefore, it is shown that metal-supported cells can deliver the same electrochemical performance as anode-supported cells in a stack.
机译：金属支撑的燃料电池（MSC）是全世界针对重型车辆中所谓的APU（辅助动力装置）最关注的SOFC技术之一。在本发明的范围内，基于由铁氧体氧化物分散增强的Fe-Cr合金（ITM）制成的多孔载体开发了MSC细胞。使用镍和8 mol％氧化钇稳定的氧化锆（8YSZ）的烧结阳极和适配层（8YSZ）来提供具有确定的残留孔隙率的光滑表面，从而可以沉积非常薄的气密电解质层（大约reactive掺杂二氧化铈（GDC）（1.5μm）。提出了使用镧锶钴铁氧体（LSCF）阴极进行的首次电池和电池组测试。在电池堆中，在800°C和0.7 V时达到1.2 A / cm〜2的电流密度。在相同的测试条件下，这与传统的阳极支撑电池（ASC）的输出功率相同。因此，显示出金属支撑的电池可以提供与堆叠中的阳极支撑的电池相同的电化学性能。

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