Preparation of SDC electrolyte thin films on dense and porous substrates by modified sol–gel route

Lin, Hongfei; Ding, Changsheng; Sato, Kazuhisa; Tsutai, Yoshifumi; Ohtaki, H.; Iguchi, Masaaki; Wada, Chiharu; Hashida, Toshiyuki

doi:10.1016/j.mseb.2007.09.039

Cited by 24 publications

(6 citation statements)

References 15 publications

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“…Pore size and surface smoothness of a substrate significantly affect the structural stability and morphology of thin films 22 . In a preliminary study, we used Ni-YSZ as a nano-porous contact layer instead of LSTN-YSZ as similarly shown in the literature 23 24 .…”

Section: Resultsmentioning

confidence: 99%

Micro solid oxide fuel cell fabricated on porous stainless steel: a new strategy for enhanced thermal cycling ability

Kim

Park

Kim

et al. 2016

Sci Rep

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Miniaturized solid oxide fuel cells (micro-SOFCs) are being extensively studied as a promising alternative to Li batteries for next generation portable power. A new micro-SOFC is designed and fabricated which shows enhanced thermal robustness by employing oxide-based thin-film electrode and porous stainless steel (STS) substrate. To deposit gas-tight thin-film electrolyte on STS, nano-porous composite oxide is proposed and applied as a new contact layer on STS. The micro-SOFC fabricated on composite oxide- STS dual layer substrate shows the peak power density of 560 mW cm−2 at 550 °C and maintains this power density during rapid thermal cycles. This cell may be suitable for portable electronic device that requires high power-density and fast thermal cycling.

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Section: Resultsmentioning

confidence: 99%

Micro solid oxide fuel cell fabricated on porous stainless steel: a new strategy for enhanced thermal cycling ability

Kim

Park

Kim

et al. 2016

Sci Rep

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“…The composite cathodes containing ceria are more attractive to low and intermediate temperatures (500 -700 °C) than the ones containing YSZ, which has lower ionic conductivity in such temperatures (Yang et al, 2007;Xu et al, 2006;Xu et al, 2005;Chen et al, 2007;Zhang et al, 2008;Lin et al, 2008).…”

Section: Lanthanum Manganite and Cobaltite Based Cathodesmentioning

confidence: 99%

Infrared Spectroscopy Techniques in the Characterization of SOFC Functional Ceramics

Macedo¹,

Cesário²,

Souza³

et al. 2012

Infrared Spectroscopy - Materials Science, Engineering and Technology

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“…O componente YSZ atua bem como material de eletrólito, mas a sua condutividade iônica é relativamente baixa abaixo de 800ºC. A céria dopada possui uma condutividade iônica mais elevada que o YSZ e é um material atrativo para as CCOSs em temperaturas intermediarias e baixas [Lin et al, 2008].…”

Section: Introductionunclassified

Synthesis and Characterization of LSM/SDC Films as Composite Cathodes for Solid Oxide Fuel Cells

Cesário¹,

Macedo²,

Barros³

et al. 2010

PTQ

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The study of the strontium-doped lanthanum manganites in the form of films covers a large area of technological applications, such as ceramics semiconductors and solid oxide fuel cell cathode. Strontium-doped lanthanum manganite and samarium-doped ceria has been used as composite cathode of solid oxide fuel cells (SOFCs) because of its excellent performance in electronic and ionic conductivity. In this work, we produced films of the cathode LSM / SDC on yttria stabilized zirconia (YSZ) electrolytes. La0.8Sr0.2MnO3 (LSM) and Ce0.8Sm0.2O1.9 (SDC) powders were synthesized by a synthesis route similar to the Pechini method, in which the gelatin replaced the ethylene glycol as polymerizing agent. Precursor powders of LSM and SDC phases were calcined at 900 ºC. In the step of films production were prepared suspensions of the LSM and SDC powders with addition of ethyl cellulose as a pore-forming agent. The ceramic suspensions were deposited on YSZ electrolyte using the spin coating method. After sintering to 1150 °C for 4 h the films were characterized by XRD and SEM. The film with 10 wt.% ethyl cellulose presented porous and strongly adhered to the YSZ substrate.

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Preparation of SDC electrolyte thin films on dense and porous substrates by modified sol–gel route

Cited by 24 publications

References 15 publications

Micro solid oxide fuel cell fabricated on porous stainless steel: a new strategy for enhanced thermal cycling ability

Micro solid oxide fuel cell fabricated on porous stainless steel: a new strategy for enhanced thermal cycling ability

Infrared Spectroscopy Techniques in the Characterization of SOFC Functional Ceramics

Synthesis and Characterization of LSM/SDC Films as Composite Cathodes for Solid Oxide Fuel Cells

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