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首页> 外文期刊>Bioprocess and Biosystems Engineering >Bimetallic oxide MnFe_2O_4 modified carbon felt anode by drip coating: an effective approach enhancing power generation performance of microbial fuel cell
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Bimetallic oxide MnFe_2O_4 modified carbon felt anode by drip coating: an effective approach enhancing power generation performance of microbial fuel cell

机译：双金属氧化物MNFE_2O_4通过滴涂改性碳毡阳极：一种有效的方法，提高了微生物燃料电池的发电性能

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摘要

The anode electrode of microbial fuel cell (MFC) is the key component to determine its power generation performance because it is the habitat and electron transfer center of the electricity-producing microorganisms. Carbon-based anodes have been confirmed to improve MFC performance. Its large surface area, excellent conductivity and low cost make it very suitable for electrode materials used in MFC. However, the low biocompatibility and instability of common carbon-based materials restrict their practical application in MFC. In this work, a bimetal oxide MnFe2O4 was prepared and used to modify carbon felt anode by a simple drop coating method. The influence of the amount of MnFe2O4 material on the performance of MFC was systematically studied. The results showed that the power density of the carbon felt anode with a MnFe2O4 modified amount of 1 mg/cm(2) increased by 66.9% compared with the unmodified anode. Meanwhile, the MFC cycle using MnFe2O4 modified anode was more stable. After 6 months of long-term operation, the power density reached 3836 mW/m(2). The anode modified by MnFe2O4 has capacitance characteristics, good biocompatibility and fast electron transmission rate, which significantly improves the power generation performance of MFC. In addition, the use of a simple drop coating method to prepare electrodes can reduce the difficulty of electrode fabrication and the cost of MFC, laying a certain foundation for the industrialization of MFC.
机译：微生物燃料电池（MFC）的阳极电极是确定其发电性能的关键部件，因为它是产生的微生物的栖息地和电子转移中心。已经证实碳基阳极提高了MFC性能。其大表面积，优异的导电性和低成本使得MFC中使用的电极材料非常适合。然而，普通碳基材料的低生物相容性和不稳定性限制了其在MFC中的实际应用。在这项工作中，制备双金属氧化物MnFe 2 O 4并通过简单的滴涂层法改变碳毡阳极。系统研究了MnFe2O4材料对MFC性能的影响。结果表明，与未修饰的阳极相比，碳毡阳极的碳毡阳极的功率密度增加了66.9％。同时，使用MnFe2O4改性阳极的MFC循环更稳定。在长期运行6个月后，功率密度达到3836mW / m（2）。由MNFE2O4改性的阳极具有电容特性，良好的生物相容性和快速电子传输速率，这显着提高了MFC的发电性能。此外，使用简单的滴涂层制备电极可以降低电极制造的难度和MFC的成本，为MFC的产业化奠定了一定的基础。

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  • 来源
    《Bioprocess and Biosystems Engineering》 |2021年第6期|1119-1130|共12页
  • 作者

    Xue Ping; Jiang Shuai; Li Wenlong; Shi Keren; Ma Lan; Li Peng;

  • 作者单位

    Ningxia Univ Natl Key Lab High Efficiency Utilizat Coal & Gree Yinchuan 750021 Ningxia Peoples R China;

    Ningxia Univ Natl Key Lab High Efficiency Utilizat Coal & Gree Yinchuan 750021 Ningxia Peoples R China;

    Ningxia Univ Natl Key Lab High Efficiency Utilizat Coal & Gree Yinchuan 750021 Ningxia Peoples R China;

    Ningxia Univ Natl Key Lab High Efficiency Utilizat Coal & Gree Yinchuan 750021 Ningxia Peoples R China;

    Ningxia Univ Natl Key Lab High Efficiency Utilizat Coal & Gree Yinchuan 750021 Ningxia Peoples R China;

    Ningxia Univ Natl Key Lab High Efficiency Utilizat Coal & Gree Yinchuan 750021 Ningxia Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Anode modification; Bimetallic oxide MnFe2O4; Carbon felt; Drip coating; Microbial fuel cell;

    机译：阳极改性;双金属氧化物MnFe2O4;碳毡;滴灌;微生物燃料电池;

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