Electroplating of Pt–Ni–Cu nanoparticles on glassy carbon electrode for glucose electro-oxidation process

Surface Engineering - Tập 35 Số 2 - Trang 128-134 - 2019
Abolfath Eshghi1,2, Mehdi Kheirmand3
1Postdoctoral Researcher at the Hydrogen and Fuel Cell Research Laboratory, Department of Chemistry, Yasouj University, Yasouj, Iran
2Teacher of Chemistry, Education Department of Yasouj City, Ministry of Education of Iran
3Hydrogen and Fuel Cell Research Laboratory, Department of Chemistry, Yasouj University, Yasouj, Iran

Tóm tắt

Platinum and nickel–copper nanoparticles were electrodeposited on glassy carbon electrode (GCE) by using cyclic voltammetry (CV)-based electroplating technique. Morphology and chemical composition of the newly designed electrode was studied via scanning electron microscope, energy dispersive X-ray and elemental mapping analysis. This electrode was eventually employed to electro-oxidation of glucose using CV, chronoamperometry (CA) and electrochemical impedance spectroscopy techniques. Pt–Ni–Cu/GCE is capable of electro-oxidation of glucose at a low potential and generating high peak current density. The results of CV and CA revealed the high catalytic activity of the Pt–Ni–Cu/GCE and steady-state activity for glucose electro-oxidation. Compared to the other electrodes reported in the previous literature, Pt–Ni–Cu/GCE shows a better potential as an anode. Low electrochemical charge transfer resistance ( Rct) is of particular advantages for the Pt–Ni–Cu/GCE. This electrode is a good choice as an anode for application in direct glucose alkaline fuel cells.

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Thông tin
Thông tin xuất bản

Surface Engineering

Tập 35 Số 2

128-134

Thông tin tác giả