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- W4251954954 abstract "The proton exchange membrane fuel cells (PEMFCs) are expected to be one of the most suitable power sources for electric vehicles to replace the traditional energy,1 but its commercialization is restricted by some problems, such as high cost, low durability and inadequate facilities and so on.2 Among these problems, the high cost, unsatisfactory activity and durability of Pt catalyst as the key part in fuel cells become particularly important.3 It is one of promising solutions to design and prepare low Pt loading catalysts4 with high efficiency and low cost. Recently, it is found that the (111) facets possess the highest oxygen reduction reaction (ORR) activity in the three low index facets of Pt alloys,5 and thus Pt-based octahedral catalysts with maximal (111) surface area have been paid more attention. However, in methods commonly employed, the capping agents difficult to remove not only block the active sites but also hinder the electron transfer between catalyst and support. Therefore, surfactant-free method is employed, and the growth of specific facet is synergistically regulated by suitable organic reducing agent and organic ligands of precursors to replace capping agents.6" @default.
- W4251954954 created "2022-05-12" @default.
- W4251954954 date "2018-01-01" @default.
- W4251954954 modified "2023-10-18" @default.
- W4251954954 title "Preparation Condition Optimization and Characterization of PtNi/C Octahedral Nanocrystal Catalyst for ORR" @default.
- W4251954954 doi "https://doi.org/10.1149/ma2018-01/30/1811" @default.
- W4251954954 hasPublicationYear "2018" @default.
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