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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/70280

    Title: 環境氣氛對SOFC接合件高溫耐久機械性質之影響;Environmental Effect on High-Temperature Mechanical Durability of SOFC Joints
    Authors: 林志光
    Contributors: 機械工程學系
    Keywords: 固態氧化物燃料電池;接合件;高溫;機械性質;環境氣氛;Solid Oxide Fuel Cell;Joint;High Temperature;Mechanical Property;Environment;機械工程
    Date: 2016-03-29
    Issue Date: 2016-03-30 14:38:28 (UTC+8)
    Publisher: 行政院原子能委員會
    Abstract: 平板式固態氧化物燃料電池(pSOFC)系統在運轉時,隨著工作溫度改變,由於不同組件間具有不同的熱膨脹係數值,加上工作環境溫度分佈不均勻,因而會產生不可忽視的熱應力。對電池堆封裝用之玻璃陶瓷接合劑而言,熱應力可以促進玻璃陶瓷材料既存孔隙或缺陷成長為較大的裂縫造成組件的洩漏或破損,降低電池的效率。在高溫運轉階段,熱應力的長久作用,亦會造成電池堆接合件受到潛變機制作用的影響,產生過大變形甚至斷裂的可能。SOFC電池堆長期在高溫氧化及還原二種工作環境氣氛下運作,此二種環境氣氛對玻璃陶瓷接合劑的化學穩定性會有不同的;Planar solid oxide fuel cells (pSOFCs) operate at a high-temperature range of 650°C to 800°C in a direct conversion process such that they have the highest efficiencies of all fuel cells. The high-temperature operation, however, gives rise to significant ;研究期間:10402~10412
    Relation: 財團法人國家實驗研究院科技政策研究與資訊中心
    Appears in Collections:[機械工程學系] 研究計畫

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