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2009
DOI: 10.1016/j.mseb.2009.06.006
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Granular nanocrystalline zirconia electrolyte layers deposited on porous SOFC cathode substrates

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Cited by 9 publications
(7 citation statements)
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References 35 publications
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“…Among the different deposition techniques, only CVD is able to produce thin films (epitaxial and polycrystalline) at wafer scale with nanosized grains and growth rates reaching several micrometers per hour . The CVD film growth process is extremely complex and typically involves a series of physico‐chemical processes, gas‐phase, and surface reactions, depending on the deposition conditions and substrate characteristics.…”
Section: Manganite Film Growth By Mocvdmentioning
confidence: 99%
See 1 more Smart Citation
“…Among the different deposition techniques, only CVD is able to produce thin films (epitaxial and polycrystalline) at wafer scale with nanosized grains and growth rates reaching several micrometers per hour . The CVD film growth process is extremely complex and typically involves a series of physico‐chemical processes, gas‐phase, and surface reactions, depending on the deposition conditions and substrate characteristics.…”
Section: Manganite Film Growth By Mocvdmentioning
confidence: 99%
“…The evaporator is thermally separated from the reactor (i.e., two temperature zones are defined, one for the precursor solution evaporation and the other one for the film growth) while the fluidic path is continuous (see Figure ). The main advantages of PI‐MOCVD are a high reproducibility and a flexible control of the film growth by adjusting the process parameters, such as the growth rate, that can go down to the atomic level; the thickness, directly related to the number of pulses; and the film composition, which depends on the metalorganic precursors injected . These features are very favorable for growing sophisticated multi‐layered heterostructures using several injectors and ensuring the purity, homogeneity, and structural quality of the films.…”
Section: Manganite Film Growth By Mocvdmentioning
confidence: 99%
“…As modificações realizadas no sistema de deposição (ver Fig. 1), que foram patenteadas no INPI [10], estão baseadas no movimento horizontal do bico atomizador, a partir de um sistema mecanizado, denominado MESP (sistema de deposição com movimento equatorial por spray pirólise). O movimento do bico atomizador em relação ao substrato durante a deposição proporcionou a melhora da distribuição da solução atomizada sobre a superfície dos substratos.…”
Section: Preparação Da Solução E Deposição Dos Filmesunclassified
“…Atualmente eletrólitos comerciais de 8YSZ (ZrO 2 :8 mol% Y 2 O 3 ) são utilizados com espessuras padrões 100-200 µm. Entretanto, alguns problemas enfrentados são a polarização do eletrodo e as perdas ôhmicas no eletrólito [9][10][11]. Visando atenuar estes efeitos, têm-se tentado diminuir a espessura destes materiais utilizando filmes cerâmicos de 8YSZ.…”
unclassified
“…These properties assist to explain why yttria stabilized zirconia is one of most studied materials for fuel cells application. However, there are some challenges to overcome, as electrode polarization and ohmic loss on electrolyte [8]. Although, the starting material's microstructure is strongly influenced by samples preparation conditions, as granulometry and sintering temperature.…”
Section: Introductionmentioning
confidence: 99%