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首页> 外文期刊>Journal of power sources >Analysis of the polarization of a direct methanol fuel cell using a pseudo-reversible hydrogen reference electrode
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Analysis of the polarization of a direct methanol fuel cell using a pseudo-reversible hydrogen reference electrode

机译：使用拟可逆氢参比电极分析直接甲醇燃料电池的极化

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摘要

In order to observe the performance of the anode and cathode during actual direct methanol fuel cell (DMFC) operating conditions and to minimize the polarization of the reference electrode, we used a reversible hydrogen reference electrode (RHE) with its instability minimized. For analysis of the I-V polarization curve of each electrode, Tafel plots were used as the diagnostic tool. According to the slopes in the Tafel plot, the I-V polarization curves of each electrode were divided into the several regions. The effects of operating parameters on the performance of each electrode were interpreted in terms of mass transfer and electrode activation. The methanol and oxygen crossover through the membrane significantly affected the performance of the cell.
机译：为了在实际的直接甲醇燃料电池（DMFC）操作条件下观察阳极和阴极的性能，并最大程度地减小参比电极的极化，我们使用了可逆氢参比电极（RHE），其不稳定性被最小化。为了分析每个电极的I-V极化曲线，将Tafel图用作诊断工具。根据Tafel图中的斜率，将每个电极的I-V极化曲线分为几个区域。通过传质和电极活化来解释操作参数对每个电极性能的影响。穿过膜的甲醇和氧气的交叉显着影响了电池的性能。

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