Liquid plasma spraying of NiO-YSZ anode layers applicable for SOFC
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389021%3A_____%2F24%3A00584163" target="_blank" >RIV/61389021:_____/24:00584163 - isvavai.cz</a>
Alternative codes found
RIV/68407700:21230/24:00373415 RIV/60461373:22310/24:43927594
Result on the web
<a href="https://www.sciencedirect.com/science/article/pii/S2352492823025461?via%3Dihub" target="_blank" >https://www.sciencedirect.com/science/article/pii/S2352492823025461?via%3Dihub</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.mtcomm.2023.107855" target="_blank" >10.1016/j.mtcomm.2023.107855</a>
Alternative languages
Result language
angličtina
Original language name
Liquid plasma spraying of NiO-YSZ anode layers applicable for SOFC
Original language description
Plasma spraying (PS) from liquid feedstocks is a promising alternative for fabricating the NiO-YSZ anodes for Solid Oxide Fuel Cell (SOFC). However, despite the inherent advantages of the PS process, the plasma sprayed anodes are still inferior to the conventional ones prepared by wet-ceramic techniques due to the difficulty of achieving the optimal porosity level. This study shows that due to recent development, the NiO-YSZ anode layers with desirable porosity and microstructure can now be effectively fabricated in a one-step process using PS equipment with a water-argon stabilized plasma torch. As a liquid feedstock, we utilized Ni nitrate (hexahydrate) solutions and YSZ suspensions with different ratios, using ethanol or water as solvents. We show that the ethanol-based feedstock provides a favorable microstructure and porosity of the resulted layers over the water-based one. In addition, apart from NiO and YSZ phases, the layers deposited with ethanol solvent contained even metallic Ni. Different ratios of Ni nitrate to YSZ in ethanol-based feedstocks greatly affected the layer's characteristics - when the content of Ni nitrate was high, the resulting layers had a non-uniform morphology with a very porous microstructure. On the contrary, the equal contents of Ni nitrate and YSZ in the feedstock resulted in the most optimal layer's microstructure, chemical composition, and thus sufficient electrical resistance, making such material potentially useful as anode for SOFC.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
20501 - Materials engineering
Result continuities
Project
<a href="/en/project/GA22-21478S" target="_blank" >GA22-21478S: High-enthalpy deposition of hybrid plasma spray coatings</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2024
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Materials Today Communications
ISSN
2352-4928
e-ISSN
2352-4928
Volume of the periodical
38
Issue of the periodical within the volume
March
Country of publishing house
NL - THE KINGDOM OF THE NETHERLANDS
Number of pages
14
Pages from-to
107855
UT code for WoS article
001149072900001
EID of the result in the Scopus database
2-s2.0-85180936511