DOAJ Open Access 2017

Methanol Electrooxidation Reaction in Alkaline Medium on Glassy Carbon Electrode Modified with Ordered Mesoporous Ni/Al2O3

Yan Wang Wei Chen Dahai Pan Qian Xu Jinghong Ma +2 lainnya

Abstrak

In this work, ordered mesoporous Ni/Al2O3 catalysts were prepared by the solvent evaporation induced self–assembly (EISA) method. The synthesized Ni/Al2O3 catalysts were characterized by XRD, elemental distribution analyses, N2 adsorption and TEM. Ni/Al2O3 modified glassy carbon electrode was used to investigate the electrocatalytic oxidation of methanol in 0.1 M NaOH solution by cyclic voltammetry (CV) and chronoamperometry (CA). CVs results showed good electrocatalytic activity of Ni/Al2O3 for methanol electrooxidation in alkaline electrolytes. The good methanol electrooxidation activity of Ni/Al2O3 could be attributed to its synergetic effects between high dispersion of nickel and the ordered mesoporous structure that facilitates the diffusion of methanol and products. The CV and CA results suggest methanol electrooxidation is an irreversible process and a diffusion controlled process. The rate constant for the catalytic reaction of methanol is calculated to be 1.66× 106 cm3 mol–1 s–1.

Topik & Kata Kunci

Industrial electrochemistry Physical and theoretical chemistry

Penulis (7)

Yan Wang

Wei Chen

Dahai Pan

Qian Xu

Jinghong Ma

Jiajun Zheng

Ruifeng Li

Format Sitasi

APA MLA BibTeX

Wang, Y., Chen, W., Pan, D., Xu, Q., Ma, J., Zheng, J. et al. (2017). Methanol Electrooxidation Reaction in Alkaline Medium on Glassy Carbon Electrode Modified with Ordered Mesoporous Ni/Al2O3. https://doi.org/10.20964/2017.03.47

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Informasi Jurnal

Tahun Terbit: 2017
Sumber Database: DOAJ
DOI: 10.20964/2017.03.47
Akses: Open Access ✓