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Graphene-carbon nanotube composite aerogel with Ru@Pt nanoparticle as a porous electrode for direct methanol microfluidic fuel cell

Author

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  • Kwok, Y.H.
  • Wang, Y.F.
  • Tsang, Alpha C.H.
  • Leung, Dennis Y.C.

Abstract

A Ru@Pt core–shell nanoparticles decorated graphene-carbon nanotube composite was produced as a porous anode for a flow-through direct methanol microfluidic fuel cell (MFC). The composite was characterized by TEM and SEM, which reveals that the size of the nanoparticles is less than 5 nm and the pore size of the porous electrode is less than 10 µm. TEM image showed that the nanoparticles were evenly distributed in the carbon substrate without agglomeration. The carbon nanotubes (CNT) increased the composite conductivity by connecting the graphene oxide nanosheets together. An orthogonal flow air-breathing microfluidic fuel cell combining the advantages of co-flow and counter flow MFC was designed to compare the electrode performances and a maximum specific power of 13.1 mW/mg catalyst was achieved with 1 M methanol in 1 M KOH as supporting electrolyte, which outperformed most others’ works in the literature.

Suggested Citation

  • Kwok, Y.H. & Wang, Y.F. & Tsang, Alpha C.H. & Leung, Dennis Y.C., 2018. "Graphene-carbon nanotube composite aerogel with Ru@Pt nanoparticle as a porous electrode for direct methanol microfluidic fuel cell," Applied Energy, Elsevier, vol. 217(C), pages 258-265.
    • Handle: RePEc:eee:appene:v:217:y:2018:i:c:p:258-265
    DOI: 10.1016/j.apenergy.2018.02.141
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    Cited by:

    1. Zuria, Alonso Moreno & Abrego-Martinez, Juan Carlos & Sun, Shuhui & Mohamedi, Mohamed, 2020. "Prospects of membraneless mixed-reactant microfluidic fuel cells: Evolution through numerical simulation," Renewable and Sustainable Energy Reviews, Elsevier, vol. 134(C).
    2. Samir De, Biswajit & Cunningham, Joshua & Khare, Neeraj & Luo, Jing-Li & Elias, Anastasia & Basu, Suddhasatwa, 2022. "Hydrogen generation and utilization in a two-phase flow membraneless microfluidic electrolyzer-fuel cell tandem operation for micropower application," Applied Energy, Elsevier, vol. 305(C).
    3. Ouyang, Tiancheng & Lu, Jie & Zhao, Zhongkai & Chen, Jingxian & Xu, Peihang, 2021. "New insight on the mechanism of vibration effects in vapor-feed microfluidic fuel cell," Energy, Elsevier, vol. 225(C).
    4. Faizah Altaf & Rohama Gill & Patrizia Bocchetta & Rida Batool & Muhammad Usman Hameed & Ghazanfar Abbas & Karl Jacob, 2021. "Electrosynthesis and Characterization of Novel CNx-HMMT Supported Pd Nanocomposite Material for Methanol Electro-Oxidation," Energies, MDPI, vol. 14(12), pages 1-16, June.
    5. Wang, Yifei & Luo, Shijing & Kwok, Holly Y.H. & Pan, Wending & Zhang, Yingguang & Zhao, Xiaolong & Leung, Dennis Y.C., 2021. "Microfluidic fuel cells with different types of fuels: A prospective review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 141(C).
    6. Muhammad Tanveer & Kwang-Yong Kim, 2021. "Flow Configurations of Membraneless Microfluidic Fuel Cells: A Review," Energies, MDPI, vol. 14(12), pages 1-33, June.
    7. Shi, Yu & Li, Yanxiang & Zhang, Liang & Li, Jun & Fu, Qian & Zhu, Xun & Liao, Qiang, 2022. "Development of a membrane-less microfluidic thermally regenerative ammonia-based battery towards small-scale low-grade thermal energy recovery," Applied Energy, Elsevier, vol. 326(C).
    8. Hosseini, Mir Ghasem & Mahmoodi, Raana & Daneshvari-Esfahlan, Vahid, 2018. "Ni@Pd core-shell nanostructure supported on multi-walled carbon nanotubes as efficient anode nanocatalysts for direct methanol fuel cells with membrane electrode assembly prepared by catalyst coated m," Energy, Elsevier, vol. 161(C), pages 1074-1084.
    9. Jiang, Jinghui & Li, Yinshi & Liang, Jiarong & Yang, Weiwei & Li, Xianglin, 2019. "Modeling of high-efficient direct methanol fuel cells with order-structured catalyst layer," Applied Energy, Elsevier, vol. 252(C), pages 1-1.
    10. Fu, Ya-Lu & Zhang, Biao & Zhu, Xun & Ye, Ding-Ding & Sui, Pang-Chieh & Djilali, Ned, 2020. "Pore-scale modeling of oxygen transport in the catalyst layer of air-breathing cathode in membraneless microfluidic fuel cells," Applied Energy, Elsevier, vol. 277(C).

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