Characterization of the microstructure and electrochemical behavior of Sm0.7Sr0.3Co3−δ cathode deposited by solution precursor plasma spraying

Li, Cheng‐Xin; Liu, Shuai; Zhang, Yang

doi:10.1016/j.ijhydene.2012.04.122

Cited by 17 publications

(9 citation statements)

References 20 publications

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“…These results substantiate the consideration of LF impedance (GE) response due to the non-charge transfer oxygen adsorption-desorption along with the diffusion during ORR. The polarization resistance of the optimized composition are compared with the reported data, for K 2 NiF 4 -type cuperates in Table 5 [14,21,25,31,44,[65][66][67][68][69]. The minimum R p = 1.57 ± 0.03 Ω cm 2 for Sm 1.8 Sr 0.2 CuO 4 − δ at 700°C is competitive.…”

Section: Electrochemical Impedance Spectroscopymentioning

confidence: 91%

Sr-doped Sm2CuO4 cathode for intermediate temperature solid oxide fuel cells

Chaudhari¹,

Khandale²,

Bhoga³

2014

Solid State Ionics

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Section: Electrochemical Impedance Spectroscopymentioning

confidence: 91%

Sr-doped Sm2CuO4 cathode for intermediate temperature solid oxide fuel cells

Chaudhari¹,

Khandale²,

Bhoga³

2014

Solid State Ionics

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“…The chemistry of solution precursors, their concentration and solvent used, determine the characteristics of the resulting coatings [10,[22][23][24][25][26][27][28][29]. The spraying process is accompanied by the decomposition of the precursor at the elevated temperature and high heat transfer of the plasma jet [10,[22][23][24][25]. …”

Section: Solution Precursor Preparationmentioning

confidence: 99%

“…Strontium-doped lanthanum manganite (LSM) as a cathode and nickel-Yttria stabilized zirconia (Ni-YSZ) as an anode are ones that have been extensively studied [23][24][25][26]29,31,34,[41][42][43][45][46][47][48]. Wang et al [24,29] investigated the polarization of LSM SOFC cathode material deposited using water and ethanol as solvent, respectively.…”

Section: Solid Oxide Fuel Cells (Sofc)mentioning

confidence: 99%

“…Another study by Li et al [25] reported a low polarization of SOFC cathode of 0.07 Ω·cm 2 at 900 • C using strontium-doped samarium cobaltite perovskite sprayed using a stand-off of 130 mm. The long dwell time of droplets resulted in the complete reaction of the precursor and in fine microstructures of the perovskite phase.…”

Section: Solid Oxide Fuel Cells (Sofc)mentioning

confidence: 99%

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Current Progress in Solution Precursor Plasma Spraying of Cermets: A Review

Unabia

Candidato

Pawłowski

2018

Metals

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Ceramic and metal composites, known also as cermets, may considerably improve many material properties with regards to that of initial components. Hence, cermets are frequently applied in many technological fields. Among many processes which can be employed for cermet manufacturing, thermal spraying is one of the most frequently used. Conventional plasma spraying of powders is a popular and cost-effective manufacturing process. One of its most recent innovations, called solution precursor plasma spraying (SPPS), is an emerging coating deposition method which uses homogeneously mixed solution precursors as a feedstock. The technique enables a single-step deposition avoiding the powder preparation procedures. The nanostructured coatings developed by SPPS increasingly find a place in the field of surface engineering. The present review shows the recent progress in the fabrication of cermets using SPPS. The influence of starting solution precursors, such as their chemistry, concentration, and solvents used, to the micro-structural characteristics of cermet coatings is discussed. The effect of the operational plasma spray process parameters such as solution injection mode to the deposition process and coatings' microstructure is also presented. Moreover, the advantages of the SPPS process and its drawbacks compared to the conventional powder plasma spraying process are discussed. Finally, some applications of SPPS cermet coatings are presented to understand the potential of the process.

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“…Essentially, the transport and reaction processes that are taking place at the TPB/2PB involve chargetransfer at the electrode/electrolyte interface, mass diffusion, adsorption/desorption of the reactive species on the electrode, and electrochemical and chemical interface reactions. A literature survey reveals that the impedance spectroscopy has successfully applied to understand the electrochemical behavior of the cathodes [51,52].…”

Section: Electrochemical Impedance Spectroscopy (Eis)mentioning

confidence: 99%