Journal ArticleDOI
Stable sealing glass for planar solid oxide fuel cell
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TLDR
In this paper, the authors investigated the thermal and chemical stability of glasses in the BaO-Al2O3-La2O 3-B2O-3-SiO2 system as well as bonding characteristics and wetting behavior to yttria stabilized zirconia (YSZ) electrolyte, to develop a suitable sealing glass for planar solid oxide fuel cell operating at 800-850 °C.Abstract:
The thermal and chemical stability of glasses in the BaO–Al2O3–La2O3–B2O3–SiO2 system were investigated as well as bonding characteristics and wetting behavior to yttria stabilized zirconia (YSZ) electrolyte, to develop a suitable sealing glass for planar solid oxide fuel cell operating at 800–850 °C. The thermal properties such as glass transition temperature, softening temperature and thermal expansion coefficient were found to depend on the B2O3:SiO2 ratio in glass composition; thus the bonding characteristics of the glass to YSZ were also influenced by this ratio. The glass having a minimum thermal expansion mismatch with YSZ showed an excellent endurance during thermal cycling. No interface reaction was observed for all the glass/YSZ specimens heat-treated at 800–850 °C up to 100 h.read more
Citations
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Progress in material selection for solid oxide fuel cell technology: A review
TL;DR: In this paper, the authors provide a comprehensive review with respect to the structure, chemistry, design and selection of materials, underlying mechanisms, and performance of each SOFC component, and it opens up the future directions towards pursuing SOFC research.
Journal ArticleDOI
Sealants for solid oxide fuel cells
TL;DR: In this article, a review of the different approaches for developing solid oxide fuel cells (SOFC) sealants is presented, including rigid glass or glass-ceramic composite materials.
Journal ArticleDOI
Glass-based seals for solid oxide fuel and electrolyzer cells - A review
Manoj K. Mahapatra,Kathy Lu +1 more
TL;DR: In this paper, a review of the advantages of glass-based sealing is presented, where different glass compositions are reviewed from a thermal, chemical, mechanical, and electrical property point of view, and glass composition design approaches are provided that aid in search of the best seal glass that can offer all the desired properties and stabilities.
Journal ArticleDOI
Recent advances in metallic interconnects for solid oxide fuel cells
TL;DR: In this paper, a critical review of metallic interconnects for SOFCs with a focus on recent progress in materials development, as well as advances in understanding materials degradation and interfacial phenomena under the SOFC operating conditions.
References
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Journal ArticleDOI
Ceramic Fuel Cells
TL;DR: Ceramic fuel cells, commonly referred to as solid-oxide fuel cells (SOFCs), are presently under development for a variety of power generation applications as mentioned in this paper, and the critical issues posed by the development of this type of fuel cell are discussed.
Journal ArticleDOI
Glass-ceramic sealants for solid oxide fuel cells: Part I. Physical properties
TL;DR: In this paper, a family of glass and glass-ceramics was developed for use in the solid oxide fuel cell (SOFC) and in other applications in the temperature range of 800-1000 °C.
Journal ArticleDOI
BAS (BaO.Al2O3.SiO2)-glasses for high temperature applications
TL;DR: In this paper, the suitability of the commercial BAS (BaO·Al2O3·SiO2)-glass AF45 from the Fa. DESAG, Germany, was investigated to test its suitability as sealing glass for the SOFC.
Journal ArticleDOI
Improvement of thermal cycle characteristics of a planar-type solid oxide fuel cell by using ceramic fiber as sealing material
Taniguchi Shunsuke,Masataka Kadowaki,Takashi Yasuo,Yukinori Akiyama,Yasuo Miyake,Koji Nishio +5 more
TL;DR: In this paper, the authors used a ceramic fiber for the sealing material to improve the endurance of solid oxide fuel cell (SOFC) against thermal cycles by reducing the stress caused by the difference in thermal expansion coefficients of alloy separator and electrolyte.