密封剂
材料科学
复合材料
填料(材料)
氧化物
造型(装饰)
聚合物
电解质
燃料电池
化学工程
冶金
电极
工程类
物理化学
化学
作者
N. S. Saetova,E. S. Shirokova,D. A. Krainova,Nikolai S. Chebykin,Б. А. Ананченко,I. V. Tolstobrov,K.S. Belozerov,А. В. Кузьмин
摘要
Abstract The creation of gas‐tight connections in solid oxide fuel cells (SOFCs) requires finding a suitable glass sealant composition and developing high‐tech approaches to sealant molding. 3D printing has been used successfully to mold SOFC functional materials (anode, electrolyte), and this study tests its applicability to glass sealant printing. We have found the composition of the glass‐filled polymer compound to print glass sealants for tubular SOFCs: the polycaprolactone/filler ratio is 60/40 wt%. Silica has been shown to be a good model filler to polish the 3D printing technology. Polymer decomposition during sealing leads to the formation of voids and seal failure, which indicates that the filler content of 40 wt % is insufficient for such purposes.
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