Characterization of the yttria-stabilized zirconia thin film electrophoretic deposited on La0.8Sr0.2MnO3 substrate

Kang, Yang; Shen, Jung-Hsiung; Yang, Kai-Yun; Hung, I‐Ming; Fung, Kuan‐Zong; Wang, Moo–Chin

doi:10.1016/j.jallcom.2006.07.069

Cited by 19 publications

(24 citation statements)

References 27 publications

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“…However, LZ and SZ phases formed at the interface will probably disappear from the three-phase boundaries on cathodic polarization because of the shift of the oxygen potential to the more reducing side [3]. Yang et al [2] have observed that LZ phase appeared at the interface between YSZ film and LSM only after 52 h of sintering at 1400 ℃. Lee et al [5] reported that films sintered at 1300 ℃ for 2 h showed only cubic YSZ phase; on the other hand, as the sintering temperature increased to 1400 ℃ , a second phase of LZ was formed.…”

Section: Phases Of the Ysz Filmsmentioning

confidence: 99%

“…Several authors have obtained similar values of YSZ film thickness. Yang et al [2] have reported a thickness of the YSZ film deposited on the La 0.8 Sr 0.2 MnO 3 substrate using EPD method was about 16 µm. Wang et al [8] have reported the preparation of YSZ thin films on NiO-YSZ anode substrate by dip-coating with different numbers of layers.…”

Section: Morphology and Microstructure Of The Ysz Filmsmentioning

confidence: 99%

“…The diffusion coefficients of ions at the LSM-YSZ interface follow the order: D Sr  D La <D Mn . Yang et al [2] observed that cations in LSM, mainly Mn and La ions, diffuse greatly into YSZ film; Zr and Y ions also diffuse into LSM, but Sr ions diffuse only slightly into YSZ. These authors only observed formation of LZ at the LSM-YSZ interface.…”

Section: Morphology and Microstructure Of The Ysz Filmsmentioning

confidence: 99%

“…SOFC is a complete solid-state device that uses an oxide ion-conducting ceramic material as electrolyte and operates in the temperature range of 800-1000 ℃ . When compared with conventional methods of power generation, SOFCs have many advantages, such as higher energy conversion efficiency which can reach up to 65%, easy modular construction, a wide range of fuel possibilities, potential for cogeneration, and life expectancy of more than 40 000 h [1,2]. The current focuses in SOFCs research are material development and reducedtemperature operation.…”

Section: Introductionmentioning

confidence: 99%

“…Various physical or chemical processes have been used for the preparation of YSZ thin films, such as electrochemical vapor deposition (EVD), chemical vapor deposition (CVD), physical vapor deposition (PVD), electrophoretic deposition (EPD), thermal spraying, colloidal deposition, sputtering, tape calendaring, sol-gel method, and dip-coating [2,5]. Among these methods, the sol-gel method provides several advantages: the microstructure and composition can be easily controlled; low-temperature processing is possible; the adhesion on the substrate is strong [6,7].…”

Section: Introductionmentioning

confidence: 99%

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Characterization of yttria-stabilized zirconia films deposited by dip-coating on La0.7Sr0.3MnO3 substrate: Influence of synthesis parameters

Marrero¹,

Ribeiro²,

Malfatti³

et al. 2013

J Adv Ceram

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Yttria-stabilized zirconia (YSZ, ZrO 2 -8%Y 2 O 3 ) films were deposited onto lanthanum strontium manganite (LSM, La 0.7 Sr 0.3 MnO 3 ) substrates using dip-coating process aiming for the application in solid oxide fuel cells (SOFCs). YSZ precursor was prepared by sol-gel method; three values of the organic/inorganic concentration ratio (1, 3 and 5) were utilized and the sol viscosity was adjusted (60 mPa·s and 100 mPa·s) before deposition on the substrate. The influence of these synthesis parameters on the structure and morphology of the deposited films was examined by X-ray diffraction (XRD) and scanning electron microscopy (SEM). The films showed characteristic peaks of LSM, YSZ (with cubic structure) and secondary phases of SrZrO 3 and La 2 O 3 . Depending on the synthesis conditions, crack-free, homogeneous and well adhered films were obtained, with thickness of 11-24 m.

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Section: Phases Of the Ysz Filmsmentioning

confidence: 99%

Section: Morphology and Microstructure Of The Ysz Filmsmentioning

confidence: 99%

Section: Morphology and Microstructure Of The Ysz Filmsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Characterization of yttria-stabilized zirconia films deposited by dip-coating on La0.7Sr0.3MnO3 substrate: Influence of synthesis parameters

Marrero¹,

Ribeiro²,

Malfatti³

et al. 2013

J Adv Ceram

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Synthesis, structure and electrochemical performance of cobaltite‐based composite cathodes for IT‐SOFC

Cesário¹,

Macedo²,

Martinelli³

et al. 2012

Cryst. Res. Technol.

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The development of novel and high‐performance cathodes is a critical issue to be addressed in order to reduce Solid Oxide Fuel Cells (SOFCs) operation temperature to the 600‐800 °C range or less. The performance of CeO2‐based composite cathodes is very attractive to such operational temperatures. In this work, La0.6Sr0.4Co0.2Fe0.8O3 (LSCF) and Ce0.8Sm0.2O1.9 (SDC) powders were synthesized by different synthesis methods and mechanically mixed to prepare LSCF‐SDC composite cathodes. Screen‐printed LSCF‐SDC/CGO/LSCF‐SDC symmetrical cells were sintered at 1150 °C for 4 h and characterized by electrochemical impedance spectroscopy in static air. X‐ray diffraction and scanning electron microscopy were employed to characterize the powders. Area specific resistance values of 0.72 and 2.77 Ω cm2 at 800 °C were found for composite cathodes containing SDC powder synthesized by modified Pechini and microwave‐assisted combustion methods, respectively. Furthermore, the activation energy of the composite cathode containing SDC derived from modified Pechini method is 1.18 eV, i.e., much lower than 1.73 eV, value determined for LSCF with SDC from microwave‐combustion method.

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Strategic Design and Insights into Lanthanum and Strontium Perovskite Oxides for Oxygen Reduction and Oxygen Evolution Reactions

Ingavale,

Gopalakrishnan,

Enoch

et al. 2024

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Perovskite oxides exhibit bifunctional activity for both oxygen reduction (ORR) and oxygen evolution reactions (OER), making them prime candidates for energy conversion in applications like fuel cells and metal‐air batteries. Their intrinsic catalytic prowess, combined with low‐cost, abundance, and diversity, positions them as compelling alternatives to noble metal and metal oxides catalysts. This review encapsulates the nuances of perovskite oxide structures and synthesis techniques, providing insight into pivotal active sites that underscore their bifunctional behavior. The focus centers on the breakthroughs surrounding lanthanum (La) and strontium (Sr)‐based perovskite oxides, specifically their roles in zinc‐air batteries (ZABs). An introduction to the mechanisms of ORR and OER is provided. Moreover, the light is shed on strategies and determinants central to optimizing the bifunctional performance of La and Sr‐based perovskite oxides.

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Characterization of the yttria-stabilized zirconia thin film electrophoretic deposited on La0.8Sr0.2MnO3 substrate

Cited by 19 publications

References 27 publications

Characterization of yttria-stabilized zirconia films deposited by dip-coating on La0.7Sr0.3MnO3 substrate: Influence of synthesis parameters

Characterization of yttria-stabilized zirconia films deposited by dip-coating on La0.7Sr0.3MnO3 substrate: Influence of synthesis parameters

Synthesis, structure and electrochemical performance of cobaltite‐based composite cathodes for IT‐SOFC

Strategic Design and Insights into Lanthanum and Strontium Perovskite Oxides for Oxygen Reduction and Oxygen Evolution Reactions

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