4.6 Article

Micro Direct Methanol Fuel Cell Based on Reduced Graphene Oxide Composite Electrode

期刊

MICROMACHINES
卷 12, 期 1, 页码 -

出版社

MDPI
DOI: 10.3390/mi12010072

关键词

micro direct methanol fuel cell; composite electrode; catalyst carrier

资金

  1. Zhejiang Provincial Natural Science Foundation [LGG19F040004, LQ19F040007]
  2. National Natural Science Foundation of China [61704041, 61804038]
  3. Zhejiang Provincial Key Research Development [2019C04003]
  4. National Key RD Program [2018YFE0120000]

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This study analyzed and discussed the effect of an anode composite electrode on the performance of a micro direct methanol fuel cell, focusing on the catalyst layer and micro-porous layer. It was found that optimizing the preparation under specific conditions can improve the performance of the fuel cell.
The effect of an anode composite electrode on the performance of a micro direct methanol fuel cell (mu DMFC) is analyzed from sample preparation configurations and discussed in detail, with a specific focus on the catalyst layer and the micro-porous layer on the anode composite electrode. This study investigates the effects of Pt content, Pt-Ru molar ratio, Nafion content, catalyst support, and preparation method in the catalyst layer, along with the carbon loading and polytetrafluoroethylene (PTFE) content in the micro-porous layer, on the performance of the anode composite electrode. The results show that the anode composite electrode delivers the best performance with 30% Pt content, a 1:1.5 Pt-Ru molar ratio, 10% Nafion content on reduced graphene oxide as the catalyst support. The synthesis is optimized with the impregnation reduction method using NaBH4 as the reducing agent, with the addition of 1.5 mg/cm(2) carbon loading and 5% PTFE.

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