Electrodeposition of the Ni+MoS2 Composite Electrocatalysts

B. Łosiewicz; Grzegorz Dercz; Magdalena Popczyk

doi:10.4028/www.scientific.net/SSP.228.125

Paper Titles

The Role of Ni(II) Ion Adsorption onto TiO₂ in the Electrodeposition of Composite Ni-P+TiO₂ Coatings
p.89

Relaxation Characteristics of the Electrodeposition Process of Composite Ni-P+TiO₂+PTFE and Ni-P+Ni(OH)₂+PTFE Coatings
p.101

Electrodeposition Process of Composite Ni-P+Ni(OH)₂+PTFE Coatings
p.108

DC Current Electrodeposition of High Mo Content Ni-Mo Alloy Coatings from Alkaline Solutions
p.116

Electrodeposition of the Ni+MoS₂ Composite Electrocatalysts
p.125

Electrodeposition of the Ni-Mo+MoO₂ Composite Electrocoatings
p.132

Effect of Phosphorus on the Structure of Nickel Electrocoatings
p.141

Effect of Heat Treatment on the Structure of Ni-P Electrocoatings
p.148

Production and Structure of Ni-W and Ni+W Coatings
p.153

HomeSolid State PhenomenaSolid State Phenomena Vol. 228Electrodeposition of the Ni+MoS2 Composite...

Electrodeposition of the Ni+MoS₂ Composite Electrocatalysts

Abstract:

The object of this work was to obtain the Ni+MoS₂ composite electrocoatings by in situ co-deposition of molybdenum (IV) sulfide particles (< 2 μm) and nickel from a suspension plating bath. Physical and chemical characterization of the coatings was carried out using SEM, EDS, and XRD methods. The chemical composition of these coatings of a diphase structure (Ni, MoS₂) was found to be dependent on the current density and temperature of electrodeposition. The optimal electrochemical conditions for embedding of the maximum amount of 26.4 wt.% of MoS₂ into the crystalline nickel matrix, were experimentally determined. The co-deposition process of MoS₂ particles and metallic nickel was discussed based on the adsorption mechanism. Such porous Ni+MoS₂ composite coatings can be proposed as electrode material for hydrogen electroevolution.

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Solid State Phenomena (Volume 228)

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125-131

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.228.125

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Online since:

March 2015

Authors:

B. Łosiewicz, Grzegorz Dercz, Magdalena Popczyk

Keywords:

Co-Deposition, Composite Electrocoatings, Molybdenum(IV) Sulfide, Ni+MoS₂

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