Hydrogen evolution on electrodeposited nickel-cobalt-molybdenum in alkaline water electrolysis

✍ Scribed by Chonglun Fan; D.L. Piron; P. Paradis

• Publisher: Elsevier Science
• Year: 1994
• Tongue: English
• Weight: 628 KB
• Volume: 39
• Category: Article
• ISSN: 0013-4686
• DOI: 10.1016/0013-4686(94)00263-0

✦ Synopsis

B a constant/V b Tafel slope/V b, Tafel slope in the low overpotential range/ mV bh Tafel slope in the high overpotential range/ mV C capacitance at electrode-solution interface/ Fcm -2 or mF cm" 2 Cd , double layer capacitance/Fcm -2 or mF cm -2 Cd pseudocapacitance/Fcm -2 or mFcm 2 E potential/V F Faraday constant/C mot -' ie, hydrogen exchange current density extrapolated from the Tafel relation in the low overpotential range/mA cm -2 hydrogen exchange current density extrapolated from the Tafel relation in the high overpotential range/mA cm -2 m a constant > 1 q charge required to form a surface monolayer of adsorbed hydrogen/C cm -2 R gas constant/J K -' mot -' T temperature/K Greek symbols a transfer coefficient a, transfer coefficient in the low overpotential range