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首页> 外文期刊>Journal of power sources >Discrete-holes film fueling anode heads for high performance air-breathing microfluidic fuel cell
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Discrete-holes film fueling anode heads for high performance air-breathing microfluidic fuel cell

机译：用于高性能空气呼吸微流体燃料电池的离散孔膜换阳极头

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摘要

Microfluidic fuel cells is one of the most promising micro power sources for the portable micro-electronic devices. Facing the requirement of high performance, in this work, a novel air-breathing microfluidic fuel cell (AMFC) with discrete-holes film fueling anode is developed by inputting the idea of gas film cooling, where fuel is fed into the capillary tube and then outflows through the discrete holes to fuel the catalyst layer by annular film flow, enabling fuel transfer enhancement. Idea of the new AMFC architecture is realized, and the annular film flow based on film fueling is visualized and proved by fluorescence microscopy at various flow conditions. In addition, the cell performances under various annular film flow patterns are compared at equal total fuel supply. The effects of fuel concentration and fuel flow rate on fuel transport and cell performance are investigated and discussed in detail. And the maximum power density of 361.9 mW cm(-3) is obtained. These results are in favor of promoting the practical application of microfluidic fuel cells.
机译：微流体燃料电池是便携式微电子器件最有希望的微电源之一。面对高性能的要求，在这项工作中，通过输入气体膜冷却的思想，开发了一种具有离散孔薄膜燃料阳极的新型空气呼吸的微流体燃料电池（AMFC），其中燃料被送入毛细管然后通过离散孔流出以通过环形薄膜流向燃料层燃料，从而实现燃料转移增强。实现了新的AMFC架构的想法，并且基于薄膜燃料的环形膜流动被视为各种流动条件下的荧光显微镜。另外，在各种环形膜流动模式下的细胞性能在等于总燃料供应。研究并详细讨论了燃料浓度和燃料流速对燃料运输和细胞性能的影响。获得361.9mm（-3）的最大功率密度。这些结果有利于促进微流体燃料电池的实际应用。

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  • 来源
    《Journal of power sources》 |2021年第15期|228966.1-228966.9|共9页
  • 作者

    Zhu Xun; Zhou Yuan; Ye Ding-Ding; Chen Rong; Zhang Tong; Liao Qiang;

  • 作者单位

    Chongqing Univ Minist Educ Key Lab Low Grade Energy Utilizat Technol & Syst Chongqing 400030 Peoples R China|Chongqing Univ Sch Energy & Power Engn Inst Engn Thermophys Chongqing 400030 Peoples R China;

    Chongqing Univ Minist Educ Key Lab Low Grade Energy Utilizat Technol & Syst Chongqing 400030 Peoples R China|Chongqing Univ Sch Energy & Power Engn Inst Engn Thermophys Chongqing 400030 Peoples R China;

    Chongqing Univ Minist Educ Key Lab Low Grade Energy Utilizat Technol & Syst Chongqing 400030 Peoples R China|Chongqing Univ Sch Energy & Power Engn Inst Engn Thermophys Chongqing 400030 Peoples R China;

    Chongqing Univ Minist Educ Key Lab Low Grade Energy Utilizat Technol & Syst Chongqing 400030 Peoples R China|Chongqing Univ Sch Energy & Power Engn Inst Engn Thermophys Chongqing 400030 Peoples R China;

    Chongqing Univ Minist Educ Key Lab Low Grade Energy Utilizat Technol & Syst Chongqing 400030 Peoples R China|Chongqing Univ Sch Energy & Power Engn Inst Engn Thermophys Chongqing 400030 Peoples R China;

    Chongqing Univ Minist Educ Key Lab Low Grade Energy Utilizat Technol & Syst Chongqing 400030 Peoples R China|Chongqing Univ Sch Energy & Power Engn Inst Engn Thermophys Chongqing 400030 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

    Microfluidic fuel cells; Film fueling anode; Annular film flow; Fuel transport; Cell performance;

    机译：微流体燃料电池;薄膜燃料阳极;环形膜流动;燃料运输;细胞性能;

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