Nanowires-based MnO2-Ru/rGO: An efficient oxygen reduction reaction electrocatalyst

Rayse Machado Ferreira, Scarllett Lalesca Santos de Lima,Fellipe dos Santos Pereira,Charbel Nagib Mouchrek,Auro Atsushi Takana,Sergio Humberto Domingues,Jéssica Eliza Silva Fonsaca,Liying Liu,Rebeca Yatsuzuka,Anderson Gabriel Marques da Silva,Flávia de Medeiros Aquino,Marco Aurélio Suller Garcia

Applied Surface Science（2024）

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摘要

•Development of a highly efficient electrocatalyst (MnO2-Ru/rGO) for ORR in an alkaline medium.•Reduction in noble metal usage while maintaining superior catalytic activity compared to traditional platinum-based catalysts.•Insightful characterization, including electrochemical analysis and Tafel studies, demonstrating the catalyst's excellent performance.•Enhanced methanol tolerance under crossover effect conditions, expanding its potential applications.

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关键词

Oxygen reduction reaction,MnO2 nanowires,Ru nanoparticles,Methanol tolerance

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