Kinetics of the hydrogen evolution reaction on Ni-(Ebonex-supported Ru) composite coatings in alkaline solution

2013 ◽  
Vol 38 (25) ◽  
pp. 10178-10190 ◽  
Author(s):  
U.Č. Lačnjevac ◽  
B.M. Jović ◽  
V.D. Jović ◽  
V.R. Radmilović ◽  
N.V. Krstajić
Keyword(s):  
Hydrogen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Alkaline Solution ◽  
Composite Coatings ◽  
Kinetics Of

scholarly journals Electrodeposition and characterization of Ni-MoO2 composite coatings as cathodes for the hydrogen evolution reaction in alkaline solution

2013 ◽  
Vol 78 (4) ◽  
pp. 549-554 ◽  
Author(s):  
Uros Lacnjevac
Keyword(s):  
Catalytic Activity ◽  
Hydrogen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Alkaline Solution ◽  
Electrochemical Impedance ◽  
Composite Coatings ◽  
Theoretical Interpretation ◽  
X Ray ◽  
Polarization Measurements ◽  
Naoh Solution

Composite Ni-MoO2 coatings were prepared and characterized with respect to their possible application as electrocatalysts for the hydrogen evolution reaction (HER) in alkaline solution. The composites were electrodeposited onto Ni meshes from an ammonium chloride Ni solution with suspended MoO2 particles in simulated industrial conditions for production of commercial cathodes. The influence of the concentration of MoO2 particles in the solution and deposition current density on the morphology, chemical and phase composition of obtained coatings was investigated by scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS) and X-ray diffraction (XRD). Catalytic activity for the HER of the coatings was examined by polarization measurements in a 32 wt. % NaOH solution at 90?C and compared to the activity of the commercial De Nora?s cathode (DN). It was shown that the most active Ni-MoO2 coating exhibits better polarization characteristics for the HER than the DN cathode. The mechanism of the HER on the specified Ni-MoO2 coating was investigated in 8 mol dm-3 NaOH at 30?C by means of steady-state polarization measurements and an electrochemical impedance spectroscopy (EIS) method. Based on the theoretical interpretation of the experimental data, rate constants of the three individual steps of the HER were determined and the source of catalytic activity of the coating was elucidated.

Kinetics of the hydrogen evolution reaction on a highly porous three-dimensional Ni catalyst in the presence of a Mo ion activator in alkaline solution

2017 ◽  
Vol 41 (9) ◽  
pp. 3344-3351 ◽  
Author(s):  
Ali Reza Madram ◽  
Samane Asadi
Keyword(s):  
Hydrogen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Alkaline Solution ◽  
Three Dimensional ◽  
Electrochemical Methods ◽  
Ni Catalyst ◽  
Kinetics Of ◽  
Highly Porous

In situ activated 3D-Ni by Mo ions in alkaline solution studied by various electrochemical methods for the hydrogen evolution reaction (HER).

On the kinetics of the hydrogen evolution reaction on nickel in alkaline solution

2001 ◽  
Vol 512 (1-2) ◽  
pp. 16-26 ◽  
Author(s):  
N Krstajić ◽  
M Popović ◽  
B Grgur ◽  
M Vojnović ◽  
D Šepa
Keyword(s):  
Hydrogen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Alkaline Solution ◽  
Kinetics Of

Fabrication of porous Cu supported Ni-P/CeO2 composite coatings for enhanced hydrogen evolution reaction in alkaline solution

2020 ◽  
Vol 46 (13) ◽  
pp. 20871-20877
Author(s):  
Qiongyu Zhou ◽  
Songli Liu ◽  
Yadong Zhang ◽  
Zhiyun Zhu ◽  
Wei Su ◽  
...  
Keyword(s):  
Hydrogen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Alkaline Solution ◽  
Composite Coatings ◽  
Supported Ni

Electrochemical Characterization of Nickel-Based Composite Coatings Containing Molybdenum or Tungsten Nanopowders

2015 ◽  
Vol 228 ◽  
pp. 283-287
Author(s):  
Magdalena Popczyk ◽  
B. Łosiewicz ◽  
A. Budniok
Keyword(s):  
Hydrogen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Composite Coatings ◽  
Electrochemical Activity ◽  
Electrochemical Characterization ◽  
Nanocomposite Coatings ◽  
Kinetics Of ◽  
Galvanostatic Conditions

The Ni+Mo and Ni+W nanocomposite coatings were prepared by electrodeposition under the galvanostatic conditions (jdep= -300 mA cm-2) from the nickel bath containing nanopowders of molybdenum (<100 nm) or tungsten (<150 nm). Kinetics of hydrogen evolution reaction (HER) was studied in 5 M KOH solution at room temeprature. The reason of revealed higher electrochemical activity towards the HER in case of the Ni+Mo nanocomposite electrode as compared to that of the Ni+W nanocomposite electrode, has been discussed.

Ni–MoS 2 composite coatings as efficient hydrogen evolution reaction catalysts in alkaline solution

2017 ◽  
Vol 42 (16) ◽  
pp. 11262-11269 ◽  
Author(s):  
Xucai Yin ◽  
Haifeng Dong ◽  
Gang Sun ◽  
Wu Yang ◽  
Ailing Song ◽  
...  
Keyword(s):  
Hydrogen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Alkaline Solution ◽  
Composite Coatings

On the kinetics of the hydrogen evolution reaction on nickel in alkaline solution

2001 ◽  
Vol 512 (1-2) ◽  
pp. 27-35 ◽  
Author(s):  
N Krstajić ◽  
M Popović ◽  
B Grgur ◽  
M Vojnović ◽  
D Šepa
Keyword(s):  
Hydrogen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Alkaline Solution ◽  
Kinetics Of
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