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Glass Ceramics Seals for Solid Oxide Fuel Cells |
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| รหัสดีโอไอ | |
| Title | Glass Ceramics Seals for Solid Oxide Fuel Cells |
| Creator | 1. Montri Suklueng 2. Peter Hing 3. Nyuk Yoong Voo 4. Chee Ming Lim |
| Publisher | Joint Graduate School of Energy and Environment |
| Publication Year | 2557 |
| Keyword | Glass Ceramic, SOFCs, Sealing materials, Electrical Properties |
| Abstract | In this paper, several silicate glass ceramics with thermal expansion coefficients ranging from about 5 x10-6 to 12x10-6/oC have been assessed as sealing for SOFCs. Glass ceramics with thermal expansions close to YSZ and GDC10 solid oxide electrolytes were selected for electrical property measurement and development of hermetic seals. Small addition of zirconia up to 0.4 mole % to barium calcium alumina borosilicate glass compositions confers beneficial effect to the development of hermetic seals without covering the surface of the fuel cell element. This has enabled the power density of single fuel cell elements to be evaluated. The thermal expansion and the insulating behaviour of the sealing materials in moist oxidising and reducing environments are presented and discussed in relation to the microstructures evolved. |
| ISBN | 978-616-92228-1-1 |
