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首页> 外文期刊>Journal of power sources >Gas evolution in a flow-assisted zinc-nickel oxide battery
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Gas evolution in a flow-assisted zinc-nickel oxide battery

机译：助流锌镍氧化物电池中的气体逸出

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摘要

An experimental study on hydrogen and oxygen evolution was carried out in a sealed zinc-nickel oxide battery. The effects of flowing electrolyte on gas evolution were quantitatively evaluated. The results show that both the hydrogen and oxygen evolution are suppressed by making the electrolyte flow on a regular cycle. This is due to increased cell polarization in the non-flowing case attributed to the concentration boundary layer of zinc (zincate) ion near the anode surfaces. Though the Coulombic efficiency in the flowing case was higher than that in the non-flowing case, the fraction of gas evolution against Coulombic loss was the same for both the cases. When deeply discharging the cell, more hydrogen is evolved in the flowing case than in the non-flowing case.
机译：在密封的锌镍氧化物电池中进行了氢气和氧气释放的实验研究。定量评估了流动的电解液对气体逸出的影响。结果表明，通过使电解质以规则的循环流动来抑制氢和氧的逸出。这是由于在不流动的情况下电池极化增加，这归因于阳极表面附近锌（锌酸盐）离子的浓度边界层。尽管流动情况下的库仑效率高于非流动情况下的库仑效率，但两种情况下，气体逸出对库仑损失的分数相同。当电池深度放电时，在流动的情况下比在非流动的情况下放出更多的氢。

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  • 来源
    《Journal of power sources》 |2011年第15期|p.6583-6587|共5页
  • 作者

    Yasumasa Ito; Michael Nyce; Robert Plivelich; Martin Klein; Sanjoy Banerjee;

  • 作者单位

    CUNY Energy Institute. Department of Chemical Engineering, The City College of the City University of New York. 140th St at Convent Ave. New York. NY 10031. USA;

    CUNY Energy Institute. Department of Chemical Engineering, The City College of the City University of New York. 140th St at Convent Ave. New York. NY 10031. USA;

    CUNY Energy Institute. Department of Chemical Engineering, The City College of the City University of New York. 140th St at Convent Ave. New York. NY 10031. USA;

    CUNY Energy Institute. Department of Chemical Engineering, The City College of the City University of New York. 140th St at Convent Ave. New York. NY 10031. USA;

    CUNY Energy Institute. Department of Chemical Engineering, The City College of the City University of New York. 140th St at Convent Ave. New York. NY 10031. 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

    zinc-nickel oxide battery; flow battery; hydrogen evolution; oxygen evolution; coulombic efficiency; electrolyte;

    机译：锌镍氧化物电池;液流电池;析氢氧气释放库仑效率电解质;

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