Electrocatalytically Active Nickel-Based Electrode Coatings Formed by Atmospheric and Suspension Plasma Spraying

Aghasibeig, Maniya; Mousavi, Milad; Ettouill, F. Ben; Moreau, Christian; Wüthrich, Rolf; Dolatabadi, Ali

doi:10.1007/s11666-013-9997-5

Cited by 18 publications

(17 citation statements)

References 23 publications

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“…There are various unique properties related to fine microstructured coatings such as enhanced catalytic behavior, noticeable superhydrophobicity [104][105][106][107][108][109][110][111] behavior, remarkable wear resistance, superior thermal insulation and thermal shock resistance [7,[112][113][114]. Nevertheless, coating fine particles using conventional atmospheric thermal spray techniques is a difficult task to do due to several reasons.…”

Section: High Velocity Suspension Flame Spray (Hvsfs) Techniquementioning

confidence: 99%

A Comprehensive Review on Fluid Dynamics and Transport of Suspension/Liquid Droplets and Particles in High-Velocity Oxygen-Fuel (HVOF) Thermal Spray

2015

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Abstract:In thermal spraying processes, molten, semi-molten, or solid particles, which are sufficiently fast in a stream of gas, are deposited on a substrate. These particles can plastically deform while impacting on the substrate, which results in the formation of well-adhered and dense coatings. Clearly, particles in flight conditions, such as velocity, trajectory, temperature, and melting state, have enormous influence on the coating properties and should be well understood to control and improve the coating quality. The focus of this study is on the high velocity oxygen fuel (HVOF) spraying and high velocity suspension flame spraying (HVSFS) techniques, which are widely used in academia and industry to generate different types of coatings. Extensive numerical and experimental studies were carried out and are still in progress to estimate the particle in-flight behavior in thermal spray processes. In this review paper, the fundamental phenomena involved in the mentioned thermal spray techniques, such as shock diamonds, combustion, primary atomization, secondary atomization, etc., are discussed comprehensively. In addition, the basic aspects and emerging trends in simulation of thermal spray processes are reviewed. The numerical approaches such as Eulerian-Lagrangian and volume of fluid along with their advantages and disadvantages are explained in detail. Furthermore, this article provides a detailed review on simulation studies published to date. OPEN ACCESSCoatings 2015, 5 577

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Section: High Velocity Suspension Flame Spray (Hvsfs) Techniquementioning

confidence: 99%

A Comprehensive Review on Fluid Dynamics and Transport of Suspension/Liquid Droplets and Particles in High-Velocity Oxygen-Fuel (HVOF) Thermal Spray

2015

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“…The suspension was prepared by mixing 10 wt.% of nickel oxide with 1 wt.% of polyvinylpyrrolidone (PVP) as the dispersing agent in ethanol. The details of suspension preparation and the injection setup for the SPS process is explained in our previous work [14]. Table 2 shows the plasma spraying parameters used in APS and SPS coating processes.…”

Section: Methodsmentioning

confidence: 99%

“…Table 2 shows the plasma spraying parameters used in APS and SPS coating processes. The parameters were selected based on our previous results [14,17]. The samples were named according to Table 3 throughout this work.…”

Section: Methodsmentioning

confidence: 99%

“…Among various thermal spraying methods that have been used to manufacture nickel-based electrodes, atmospheric plasma spray (APS) has shown its capability in development of micron and nano-structured active electrode coatings for the HER [14][15][16][17][18][19]. In this process, the sprayed particles melt and accelerate towards the substrate within the high temperature plasma jet.…”

Section: Introductionmentioning

confidence: 99%

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Three-dimensional electrode coatings for hydrogen production manufactured by combined atmospheric and suspension plasma spray

Aghasibeig

Dolatabadi

Wüthrich

et al. 2016

Surface and Coatings Technology

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“…Hundreds of materials and derivatives including semiconductor photocatalytics, such as TiO 2 , SiC, and CdS, have been developed so far. Recently, a nickel-based electrode coating has been fabricated with larger electrochemical active surface areas consisting of small cauliflower-like aggregates ( Figure 10.7), using suspension plasma spray process (Aghasibeig et al, 2014). These requirements are strongly affected by bulk properties of the material such as crystallinity.…”

Section: Photocatalytic Hydrogen Productionmentioning

confidence: 99%

Thermal spray coatings in renewable energy applications

Wijewardane¹

2015

Future Development of Thermal Spray Coatings

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Electrocatalytically Active Nickel-Based Electrode Coatings Formed by Atmospheric and Suspension Plasma Spraying

Cited by 18 publications

References 23 publications

A Comprehensive Review on Fluid Dynamics and Transport of Suspension/Liquid Droplets and Particles in High-Velocity Oxygen-Fuel (HVOF) Thermal Spray

A Comprehensive Review on Fluid Dynamics and Transport of Suspension/Liquid Droplets and Particles in High-Velocity Oxygen-Fuel (HVOF) Thermal Spray

Three-dimensional electrode coatings for hydrogen production manufactured by combined atmospheric and suspension plasma spray

Thermal spray coatings in renewable energy applications

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