Platinum and palladium nano-structured catalysts for polymer electrolyte fuel cells and direct methanol fuel cells

Nguyen Viet Long, Cao Minh Thi, Yang Yong, Masayuki Nogami, Michitaka Ohtaki

    Research output: Contribution to journalReview article

    39 Citations (Scopus)

    Abstract

    In this review, we present the synthesis and characterization of Pt, Pd, Pt based bimetallic and multi-metallic nanoparticles with mixture, alloy and core-shell structure for nano-catalysis, energy conversion, and fuel cells. Here, Pt and Pd nanoparticles with modified nanostructures can be controllably synthesized via chemistry and physics for their uses as electro-catalysts. The cheap base metal catalysts can be studied in the relationship of crystal structure, size, morphology, shape, and composition for new catalysts with low cost. Thus, Pt based alloy and core-shell catalysts can be prepared with the thin Pt and Pt-Pd shell, which are proposed in low and high temperature proton exchange membrane fuel cells (PEMFCs), and direct methanol fuel cells (DMFCs). We also present the survey of the preparation of Pt and Pd based catalysts for the better catalytic activity, high durability, and stability. The structural transformations, quantum-size effects, and characterization of Pt and Pd based catalysts in the size ranges of 30 nm (1-30 nm) are presented in electro-catalysis. In the size range of 10 nm (1-10 nm), the pure Pt catalyst shows very large surface area for electro-catalysis. To achieve homogeneous size distribution, the shaped synthesis of the polyhedral Pt nanoparticles is presented. The new concept of shaping specific shapes and morphologies in the entire nano-scale from nano to micro, such as polyhedral, cube, octahedra, tetrahedra, bar, rod, and others of the nanoparticles is proposed, especially for noble and cheap metals. The uniform Pt based nanosystems of surface structure, internal structure, shape, and morphology in the nanosized ranges are very crucial to next fuel cells. Finally, the modifications of Pt and Pd based catalysts of alloy, core-shell, and mixture structures lead to find high catalytic activity, durability, and stability for nano-catalysis, energy conversion, fuel cells, especially the next large-scale commercialization of next PEMFCs, and DMFCs.

    Original languageEnglish
    Pages (from-to)4799-4824
    Number of pages26
    JournalJournal of nanoscience and nanotechnology
    Volume13
    Issue number7
    DOIs
    Publication statusPublished - Jul 1 2013

    Fingerprint

    Direct methanol fuel cells (DMFC)
    Palladium
    Platinum
    Catalysis
    Electrolytes
    fuel cells
    Methanol
    palladium
    Fuel cells
    Polymers
    platinum
    methyl alcohol
    electrolytes
    Nanoparticles
    catalysts
    Catalysts
    polymers
    catalysis
    Protons
    Metals

    All Science Journal Classification (ASJC) codes

    • Bioengineering
    • Chemistry(all)
    • Biomedical Engineering
    • Materials Science(all)
    • Condensed Matter Physics

    Cite this

    Platinum and palladium nano-structured catalysts for polymer electrolyte fuel cells and direct methanol fuel cells. / Long, Nguyen Viet; Thi, Cao Minh; Yong, Yang; Nogami, Masayuki; Ohtaki, Michitaka.

    In: Journal of nanoscience and nanotechnology, Vol. 13, No. 7, 01.07.2013, p. 4799-4824.

    Research output: Contribution to journalReview article

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    AU - Thi, Cao Minh

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    AU - Ohtaki, Michitaka

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