Deposit of dense YSZ electrolyte and porous NiO–YSZ anode for SOFC device by a low pressure plasma process

Rousseau, Frédéric; Awamat, S.; Nikravech, Mehrdad; Morvan, Daniel; Amouroux, J.

doi:10.1016/j.surfcoat.2007.07.089

Cited by 14 publications

(8 citation statements)

References 15 publications

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“…In the first investigations, the horizontal plasma reactor consisted of a Pyrex tube (length: 560 mm and internal diameter : 46 mm) equipped with a convergent nozzle (7 mm in diameter at the exit) [18][19][20][21][22][23]. In this work, the orientation of the tube was modified to become a vertical plasma reactor.…”

Section: Plasma Experimental Set-upmentioning

confidence: 99%

“…Its principle of operation is very simple and flexible: an aqueous solution of nitrates is injected into a low power plasma reactor under a spray form, which leads to the formation of the oxide coating onto the surface of a substrate. In the past, this plasma process was investigated for the deposition of the electrodes of Solid Oxide Fuel Cells (SOFC) [17][18][19]. This plasma process was also employed for the deposition of innovative Thermal Barrier Coatings (TBC) exhibiting an original nano/microstructure [20].…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Deposition of ZnO thin films from aqueous solution in a low power plasma reactor

Ma¹,

Rousseau²,

Donsanti³

et al. 2015

Surface and Coatings Technology

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Section: Plasma Experimental Set-upmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Deposition of ZnO thin films from aqueous solution in a low power plasma reactor

Ma¹,

Rousseau²,

Donsanti³

et al. 2015

Surface and Coatings Technology

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“…Recently, some researchers [16] have attempted to use advanced microwave treatments using various polymeric or surfactant additives to synthesize various metal materials with special morphologies. However, few studies have addressed the morphology for NiO as an anode material for SOFCs [17,18]. In this study, we examined the preparation of microsized octahedral NiO particles using a microwave thermal treatment.…”

Section: Introductionmentioning

confidence: 99%

Synthesis of Octahedral‐Shaped NiO and Approaches to an Anode Material of Manufactured Solid Oxide Fuel Cells Using the Decalcomania Method

Cho

Lee

Park

et al. 2013

Journal of Nanomaterials

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Micrometer-sized and octahedral-shaped NiO particles were synthesized by microwave thermal treatment at 300 watt power for 15 min in a microwave chamber to be used as an anode material in solid oxide fuel cells. SEM image and particle size distribution revealed near-perfect octahedral NiO microparticle with sizes ranging from 4.0~11.0 μm. The anode functional layer (AFL, 60 wt% NiO synthesized: commercial 40 wt% YSZ), electrolyte (commercial Yttria-stabilized zirconia, YSZ), and cathode (commercial La0.8Sr0.2MnO3, LSM) layers were manufactured using the decalcomania method on a porous anode support, sequentially. The sintered electrolyte at 1450°C for 2 h using the decalcomania method was dense and had a thickness of about 10 μm. The cathode was sintered at 1250°C for 2 h, and it was porous. Using humidified hydrogen as a fuel, a coin cell with a 15 μm thick anode functional layer exhibited maximum power densities of 0.28, 0.38, and 0.65 W/cm2at 700, 750, and 800°C, respectively. Otherwise, when a commercial YSZ anode functional layer was used, the maximum power density was 0.55 W/cm2at 800°C.

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“…[4][5][6][7] The role of oxidant species on the conversion of metallic nitrates used as starting material was demonstrated. 8 Laser Doppler measurements carried out at different levels of reactor showed that the average diameter of droplets was about 32 microns resulting in production of films with an average grain size more than 300 nm.…”

Section: Introductionmentioning

confidence: 99%

Spray Plasma Device, a New Method to Process Nanostructured Layers. Application to Deposit ZnO Thin Layers

Nikravech¹

2010

J. Nanosci. Nanotech.

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The aim of this paper is to present a new plasma spray device to deposit nanostructured films. In this process, aqueous droplets of a starting material, in this case, a nitrate salt, of small and uniform size produced in an aerosol generator are injected into a low pressure plasma reactor. Droplets are then submitted to the reactivity of plasma and projected against a substrate where they form the final film. The reactor is designed to reduce the turbulence that results in coalescence of the particles and affects the uniformity of the deposited films. The plasma is produced by an inductive RF generator that avoids the contamination of the layers by electrodes. The control of plasma gas composition, i.e., argon and oxygen, permits adjustment of the concentration of reactive species leading to control the stoichiometry of the deposited layers. The ability of this process to produce nano scale zinc oxide films by the use of an aqueous solution containing Zn(NO3)2 is demonstrated. The films obtained under defined experimental conditions are smooth, colorless and transparent. SEM and AFM photographs show the formation of uniform layers with 20 to 60 nm in thickness. XRD patterns of deposited films showed that preferential c-axis orientation of crystallites depends highly on the concentration of Zn(NO3)2 in the starting solution. Willamson-Hall method in accordance with AFM photographs showed that the size of crystallites ranges between 24 and 34 nm.

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Deposit of dense YSZ electrolyte and porous NiO–YSZ anode for SOFC device by a low pressure plasma process

Cited by 14 publications

References 15 publications

Deposition of ZnO thin films from aqueous solution in a low power plasma reactor

Deposition of ZnO thin films from aqueous solution in a low power plasma reactor

Synthesis of Octahedral‐Shaped NiO and Approaches to an Anode Material of Manufactured Solid Oxide Fuel Cells Using the Decalcomania Method

Spray Plasma Device, a New Method to Process Nanostructured Layers. Application to Deposit ZnO Thin Layers

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