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首页> 外文会议>XXVII Congress of the Mexican Society of Electrochemistry/5th Meeting of the ECS Mexican Section >Study of a PEM Fuel Cell Fed with Unclean Hydrogen and Oxygen from Air
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Study of a PEM Fuel Cell Fed with Unclean Hydrogen and Oxygen from Air

机译：用空气中不纯净的氢气和氧气喂养的PEM燃料电池的研究

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The performance of a PEMFC fed with H_2 + 1% CO in the anodic side and oxygen from air in the cathodic compartment has been investigated. The oxidation of H_2 in the presence of CO has been performed using a nanostructured core-shell material (Au@Pt/C). By using anodic stripping voltammetry, the onset potential of CO-desorption on Au@Pt/C has been determined and compared with that obtained on Pt/C. CO oxidation starts 30 mV less positive on Au@Pt/C than on Pt/C; this indicates that the bond strength between CO-Pt is weaker on Au@Pt/C than in Pt/C. The PEMFC performance using hydrogen polluted with 1% of CO (10psi) in the anodic side and oxygen from air (10psi) in the cathodic compartment presents a maximum power density of 49 mW/cm when Au@Pt/C is used as catalyst; this value is larger than the 46 mW/cm~2 achieved with Pt/C under same operating conditions.
机译：已经研究了在阳极侧加入H_2 + 1％CO并在阴极室中注入空气中的氧气的PEMFC的性能。已经使用纳米结构核-壳材料（Au @ Pt / C）在CO存在下氧化H_2。通过使用阳极溶出伏安法，已经确定了在Au @ Pt / C上CO脱附的起始电位，并将其与在Pt / C上获得的脱附电位进行了比较。在Au @ Pt / C上，CO氧化开始的正电势比在Pt / C上低30 mV；这表明Au @ Pt / C上的CO-Pt之间的结合强度比Pt / C上的弱。当Au @ Pt / C用作催化剂时，PEMFC的性能是在阳极侧用1％的CO（10psi）污染的氢气和在阴极隔室中的空气中的氧气（10psi）来表现的，最大功率密度为49 mW / cm。该值大于在相同工作条件下Pt / C达到的46 mW / cm〜2。

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