吳乃立2006-07-252018-06-282006-07-252018-06-281999http://ntur.lib.ntu.edu.tw//handle/246246/9201作為鋰離子二次電池負極材料，一氧 化錫(SnO)之理論電容量密度超過石墨甚 多。但其實際有效電容量密度則取決於粉 體之純度與微結構。傳統製備SnO 的方法 均以沈澱法為主，形成非晶型SnO 及易產 生二氧化錫(SnO2 )之雜相。本研究以水熱 法製備出具有高結晶性、高純度的SnO 粉 體。我們發現水浴前之溶液老化(aging)程 序對粉體純度及粒子結晶度有決定性之影 響。隨著老化時間的延長，不僅可以有效 抑制產物中SnO2 雜質的生成;並使得粉體的結晶性隨之提昇。The theoretical capacity of SnO is much lager than graphite when used as the negative electrode of lithium-ion secondary battery. The practical and efficient capacity depends on the purity and microstructure of electrode material powders. Conventional preparation methods mostly employ precipitation approach, which produces amorphous SnO as well as impurity SnO2. We proposed in this study to produce SnO powders of high crystalline and high purity based on hydrothermal process. With this method, we find the aging procedure prior to water bathing has a profound effect on the purity and crystallinity of the powder.application/pdf1022137 bytesapplication/pdfzh-TW國立臺灣大學化學工程學系暨研究所鋰離子二次電池負極材料一氧化錫lithium-ion secondarybatterynegative electrode materialSnOreporthttp://ntur.lib.ntu.edu.tw/bitstream/246246/9201/1/882218E002025.pdf