Studies on Hydrogen Evolution at Thermodiffusion-Treated Nickel-Implanted Titanium Electrodes

Chem. J. Chinese Universities ›› 1990, Vol. 11 ›› Issue (10): 1124.

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Studies on Hydrogen Evolution at Thermodiffusion-Treated Nickel-Implanted Titanium Electrodes

Zhang Jishuang, Wang Ronghui, Lu Yaojiao, Yang Jinquan, Feng Hanming

Department of Chemistry and Chemical Engineering, Hunan University, Changsha

Received:1990-05-09 Online:1990-10-24 Published:1990-10-24

Abstract

Abstract: Ni-implanted Ti electrodes were treated by thermodiffusion in higher vacuum for 1 h at the temperature from 100 to 700℃, and the hydrogen evolution reaction was then studied at the electrodes in the solution of 0. 856 mol/L NaCl plus 0. 01 mol/L HCl. Two orders of magnitude increases in exchanging current density (i_o) were recorded for the .thermodif fusion-treated electrodes by comparison with the untreated. The effect is attributed to the increase of nickel concentration on the electrode surface.

Key words: Ion implant, Thermodiffusion, Electrocatalysis

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Zhang Jishuang, Wang Ronghui, Lu Yaojiao, Yang Jinquan, Feng Hanming. Studies on Hydrogen Evolution at Thermodiffusion-Treated Nickel-Implanted Titanium Electrodes[J]. Chem. J. Chinese Universities, 1990, 11(10): 1124.

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Studies on Hydrogen Evolution at Thermodiffusion-Treated Nickel-Implanted Titanium Electrodes

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