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首页> 外文期刊>International journal of hydrogen energy >Study on improvement of the proton conductivity and anti-fouling of proton exchange membrane by doping SGO@SiO_2 in microbial fuel cell applications
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Study on improvement of the proton conductivity and anti-fouling of proton exchange membrane by doping SGO@SiO_2 in microbial fuel cell applications

机译：微生物燃料电池中掺杂SGO @ SiO_2提高质子交换膜质子传导性和防污性能的研究

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摘要

In order to improve the proton conductivity and anti-fouling of proton exchange membrane (PEM) in microbial fuel cells, the present study prepares a novel composite proton exchange membrane. First, silicon dioxide (SiO2) is inserted into sulfonated graphene oxide (SGO) by in situ hydrolysis using ethyl orthosilicate as precursor. Then, the obtained SGO@SiO2 is blended with homopolymer poly(-vinylidene fluoride) grafted sodium styrene sulfonate (PVDF-g-PSSA). The effects of particles on the physicochemical properties and anti-fouling properties of the composite membrane are investigated. The best performance is obtained when the addition of SGO@SiO2 is 1.0%. The ion exchange capacity reaches 1.6 meq/g and the proton conductivity is 0.078 S/cm, which is higher than Nafion-117 membrane. The anti-fouling ability of composite membrane gets stronger based on the quartz crystal microbalance with dissipation (QCM-D) result. The power density of microbial fuel cell with SGO@SiO2/PVDF-g-PSSA membrane is 185 mW/m(2) after operating one month, which is superior to SGO/PVDF-g-PSSA and PVDF-g-PSSA membrane. The improvement shows that SGO@SiO2/PVDF-g-PSSA membrane could be a feasible alternative to costly membrane and have potential for application in microbial fuel cell. (C) 2019 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
机译：为了提高质子电导率和质子交换膜（PEM）在微生物燃料电池中的防污性能，本研究制备了一种新型的复合质子交换膜。首先，使用原硅酸乙酯作为前体通过原位水解将二氧化硅（SiO2）插入磺化氧化石墨烯（SGO）中。然后，将获得的SGO @ SiO 2与均聚物聚（-偏二氟乙烯）接枝的苯乙烯磺酸钠（PVDF-g-PSSA）混合。研究了颗粒对复合膜理化性质和防污性能的影响。当SGO @ SiO2的添加量为1.0％时，可获得最佳性能。离子交换容量达到1.6meq / g，质子传导率为0.078S / cm，高于Nafion-117膜。基于带耗散的石英晶体微天平（QCM-D）结果，复合膜的防污能力变得更强。操作一个月后，带有SGO @ SiO2 / PVDF-g-PSSA膜的微生物燃料电池的功率密度为185 mW / m（2），优于SGO / PVDF-g-PSSA和PVDF-g-PSSA膜。改进表明，SGO @ SiO2 / PVDF-g-PSSA膜可以替代昂贵的膜，并具有在微生物燃料电池中应用的潜力。 （C）2019氢能出版物有限公司。由Elsevier Ltd.出版。保留所有权利。

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  • 来源
    《International journal of hydrogen energy》 |2019年第29期|15322-15332|共11页
  • 作者

    Xu Qibin; Wang Lei; Li Chen; Wang Xudong; Li Cuicui; Geng Yatian;

  • 作者单位

    Xian Univ Architecture & Technol, Coll Environm & Municipal Engn, Xian 710055, Shaanxi, Peoples R China|Res Inst Membrane Separat Technol Shaanxi Prov, Xian 710055, Shaanxi, Peoples R China|Shaanxi Key Lab Membrane Separat, Xian 710055, Shaanxi, Peoples R China|Shaanxi Key Lab Environm Engn, Xian 710055, Shaanxi, Peoples R China;

    Xian Univ Architecture & Technol, Coll Environm & Municipal Engn, Xian 710055, Shaanxi, Peoples R China|Res Inst Membrane Separat Technol Shaanxi Prov, Xian 710055, Shaanxi, Peoples R China|Shaanxi Key Lab Membrane Separat, Xian 710055, Shaanxi, Peoples R China|Shaanxi Key Lab Environm Engn, Xian 710055, Shaanxi, Peoples R China;

    Xian Univ Architecture & Technol, Coll Environm & Municipal Engn, Xian 710055, Shaanxi, Peoples R China|Res Inst Membrane Separat Technol Shaanxi Prov, Xian 710055, Shaanxi, Peoples R China|Shaanxi Key Lab Membrane Separat, Xian 710055, Shaanxi, Peoples R China|Shaanxi Key Lab Environm Engn, Xian 710055, Shaanxi, Peoples R China;

    Xian Univ Architecture & Technol, Coll Environm & Municipal Engn, Xian 710055, Shaanxi, Peoples R China|Res Inst Membrane Separat Technol Shaanxi Prov, Xian 710055, Shaanxi, Peoples R China|Shaanxi Key Lab Membrane Separat, Xian 710055, Shaanxi, Peoples R China|Shaanxi Key Lab Environm Engn, Xian 710055, Shaanxi, Peoples R China;

    Xian Univ Architecture & Technol, Coll Environm & Municipal Engn, Xian 710055, Shaanxi, Peoples R China|Res Inst Membrane Separat Technol Shaanxi Prov, Xian 710055, Shaanxi, Peoples R China|Shaanxi Key Lab Membrane Separat, Xian 710055, Shaanxi, Peoples R China|Shaanxi Key Lab Environm Engn, Xian 710055, Shaanxi, Peoples R China;

    Xian Univ Architecture & Technol, Coll Environm & Municipal Engn, Xian 710055, Shaanxi, Peoples R China|Res Inst Membrane Separat Technol Shaanxi Prov, Xian 710055, Shaanxi, Peoples R China|Shaanxi Key Lab Membrane Separat, Xian 710055, Shaanxi, Peoples R China|Shaanxi Key Lab Environm Engn, Xian 710055, Shaanxi, Peoples R China;

  • 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

    Proton exchange membrane; Composite particle; Membrane fouling; Quartz crystal microbalance with dissipation; Microbial fuel cell;

    机译：质子交换膜;复合颗粒;膜污染;带耗散的石英晶体微天平;微生物燃料电池;

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