Nickel decorated on Platinum Confined in MXene as an Electrocatalyst for enhanced Electrooxidation of Methanol
Source abstract
Abstract
The architecture and evaluation of a potent, cost-efficient anode catalyst for methanol oxidation reactions (MOR) have great significance in Direct Methanol Fuel Cells (DFMC) applications. In this study, Ni decorated Pt confined into the layers of 2D Transition metal carbides–MXenes were synthesized and used as electrocatalyst for MOR. Pt-Ni/MXene electrocatalyst was prepared via wet impregnation method utilizing NaBH 4 as a reducing agent. The Pt-Ni/MXene nanocomposite formation was verified through XRD, SEM, EDX, TEM, and BET, XPS analysis. Cyclic voltammetry, Chronoamperometric, and electrochemical impedance spectroscopy analysis revealed the Electrochemical performance of Pt-Ni/MXene for electrooxidation of methanol. The synergistic effect of Ni decorated Pt and MXene nanoparticles offered improved durability (84.7 % of retention after 400 cycles) for the Pt-Ni/MXene electrocatalyst for MOR. The electrochemical performance of Pt-Ni/MXene was compared with Pt/MXene, a conventional Pt/C catalyst, and found to exhibit an eight-fold enhancement in catalytic efficiency for MOR in an acidic medium.
Source: expertdata · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: MXene and MAX Phase Materials · Electrocatalysts for Energy Conversion · Advanced Photocatalysis Techniques
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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