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首页> 外文期刊>Environmental Science & Technology >Capacitive Bioanodes Enable Renewable Energy Storage in Microbial Fuel Cells
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Capacitive Bioanodes Enable Renewable Energy Storage in Microbial Fuel Cells

机译：电容性生物阳极可实现微生物燃料电池中的可再生能源存储

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摘要

We developed an integrated system for storage of renewable electricity in a microbial fuel cell (MFC). The system contained a capacitive electrode that was inserted into the anodic compartment of an MFC to form a capacitive bioanode. This capacitive bioanode was compared with a noncapacitive bioanode on the basis of performance and storage capacity. The performance and storage capacity were investigated during polarization curves and charge-discharge experiments. During polarization curves the capacitive electrode reached a maximum current density of 1.02 ± 0.04 A/m~2, whereas the noncapacitive electrode reached a current density output of only 0.79 ± 0.03 A/m~2. During the charge-discharge experiment with 5 min of charging and 20 min of discharging, the capacitive electrode was able to store a total of 22 831 C/m~2, whereas the noncapacitive electrode was only able to store 12 195 C/m~2. Regarding the charge recovery of each electrode, the capacitive electrode was able to recover S2.9% more charge during each charge-discharge experiment compared with the noncapacitive electrode. The capacitive electrode outperformed the noncapacitive electrode throughout each charge-discharge experiment. With a capacitive electrode it is possible to use the MFC simultaneously for production and storage of renewable electricity.
机译：我们开发了一种用于在微生物燃料电池（MFC）中存储可再生电力的集成系统。该系统包含一个电容电极，该电极插入MFC的阳极隔室中以形成电容生物阳极。根据性能和存储容量，将该电容性生物阳极与非电容性生物阳极进行了比较。在极化曲线和充放电实验过程中研究了其性能和存储容量。在极化曲线期间，电容电极的最大电流密度为1.02±0.04 A / m〜2，而非电容电极的电流密度输出仅为0.79±0.03 A / m〜2。在充放电5分钟和放电20分钟的充放电实验中，电容电极总共可以存储22 831 C / m〜2，而非电容电极只能存储12 195 C / m〜。 2。关于每个电极的电荷恢复，与非电容性电极相比，在每个充放电实验期间，电容性电极能够恢复多S2.9％的电荷。在每个充放电实验中，电容性电极的性能均优于非电容性电极。使用电容电极，可以同时使用MFC生产和存储可再生电力。

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  • 来源
    《Environmental Science & Technology》 |2012年第6期|p.3554-3560|共7页
  • 作者

    Alexandra Deeke; Tom H. J. A. Sleutels; Hubertus V. M. Hamelers; Cees J. N. Buisman;

  • 作者单位

    Sub-Department of Environmental Technology, Wageningen University, Bornse Weilanden 9, P.O. Box 17, 6708 WG Wageningen, The Netherlands,Wetsus, Centre of Excellence for Sustainable Water Technology, Agora 1, P.O. Box 1113, 8900 CC Leeuwarden, The Netherlands;

    Wetsus, Centre of Excellence for Sustainable Water Technology, Agora 1, P.O. Box 1113, 8900 CC Leeuwarden, The Netherlands;

    Wetsus, Centre of Excellence for Sustainable Water Technology, Agora 1, P.O. Box 1113, 8900 CC Leeuwarden, The Netherlands;

    Sub-Department of Environmental Technology, Wageningen University, Bornse Weilanden 9, P.O. Box 17, 6708 WG Wageningen, The Netherlands,Wetsus, Centre of Excellence for Sustainable Water Technology, Agora 1, P.O. Box 1113, 8900 CC Leeuwarden, The Netherlands;

  • 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);美国《化学文摘》(CA);
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