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Methane-fueled thin film micro-solid oxide fuel cells with nanoporous palladium anodes

机译:具有纳米孔钯阳极的甲烷燃料薄膜微固体氧化物燃料电池

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摘要

Methane-fueled thin film micro-solid oxide fuel cells (霺OFCs) based on palladium (Pd) anodes are discussed in this article. The 霺OFCs are composed of porous platinum (Pt) cathodes, 8 mol.% yttria-stabilized zirconia (YSZ) ultrathin electrolytes, and Pd anodes - specifically, a Pt/YSZ/Pd heterostructure synthesized by physical vapor deposition. The Pt/YSZ/Pd 霺OFCs exhibit a power density of 385 mWcm~(-2) and an open circuit voltage of 0.77 V at 550 ℃ A detailed study on synthesis, microstructure and functional properties of the nanoporous Pd films is presented. Possible anodic methane reactions, carbon deposition on Pd anodes, and carbon suppression approaches are discussed. The results are of potential relevance to advancing low temperature micro-fuel cell technology using hydrocarbon fuels.
机译:本文讨论了基于钯(Pd)阳极的甲烷燃料薄膜微固体氧化物燃料电池(霺OFC)。霺OFC由多孔铂(Pt)阴极,8摩尔%的氧化钇稳定的氧化锆(YSZ)超薄电解质和Pd阳极-具体来说,是通过物理气相沉积合成的Pt / YSZ / Pd异质结构组成。 Pt / YSZ / Pd霺OFCs在550℃时的功率密度为385 mWcm〜(-2),开路电压为0.77V。对纳米多孔Pd薄膜的合成,微观结构和功能特性进行了详细的研究。讨论了可能的阳极甲烷反应,钯阳极上的碳沉积以及碳抑制方法。结果与使用碳氢燃料的低温微燃料电池技术的发展具有潜在的相关性。

著录项

  • 来源
    《Journal of power sources》 |2011年第15期|p.6299-6304|共6页
  • 作者单位

    Harvard School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA;

    Harvard School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA;

    Harvard School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    methane; hydrocarbon; palladium; anode; thin film; solid oxide fuel cell;

    机译:甲烷烃;钯;阳极;薄膜;固体氧化物燃料电池;

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