Journal
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE
Volume 17, Issue 2, Pages -Publisher
ESG
DOI: 10.20964/2022.02.44
Keywords
Commercial Pt/C; Ru (IV) species; chemical modification; catalytic electrooxidation
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Funding
- Domestic Visiting Scholar Program for Outstanding Young Talents of Anhui Province [gxgnfx2021135]
- Talent Introduction Project of Anhui Science and Technology University [830166]
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Commercial Pt/C was modified with Ru (IV) species through hydrolysis, which improved the electronic structure and enhanced the methanol electrooxidation performance.
Commercial Pt/C was modified with Ru (IV) species via the hydrolysis of Ruthenium (III) nitrosyl nitrate under a hydrothermal condition. It was revealed that the Pt nanoparticles were surrounded by Ru (IV) species and the presence of Ru (IV) species modified the electronic structure, which lowed the binding energy of Pt atoms. The results from the methanol electrooxidation suggested that the current intensity was increased and at the same time, the onset potential was decreased largely in the presence of Ru(IV) species modified Pt/C, which demonstrated the fact that the Ru ( IV) species could activate the water molecules to provide the OH* to remove the COads at low potential.
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