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Synthesis and Evaluation of Electrochemical Properties of Mesoporous Anatase Titania

机译:介孔亚氮酶二氧化钛电化学性质的合成与评价

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Lithium intercalation properties were investigated for mesoporous titania, prepared by hydrolysis of titanium tetrabutoxide followed by calcining at various temperatures. X-ray diffraction analysis showed that synthesized titania were anatase phase. The B.E.T. surface area of mesoporous titania decreased with increasing calcining temperature, but that of mesoporous titania calcined at 450°Cwas over 50 m{sup}2/g. Lithium intercalation capacities of mesoporous anatase increased with increasing calcining temperature up to 450°C. Mesoporous anatase titania calcined at 450°Cshowed a capacity of 118 mAh/g at a current density of 1 A/g. The lithium intercalation properties depended on crystallinity, remaining water content and mesopore size.
机译:研究了锂嵌入性质,用于介孔二氧化钛,通过水解钛四丁钛制备,然后在各种温度下煅烧。 X射线衍射分析表明,合成的二氧化钛是锐钛矿相。投注。中孔二氧化钛的表面积随着煅烧温度的增加而降低,但是在450°CWA×2 / g的450°Cwas下煅烧的中孔二氧化钛的表面积降低。中孔锐钛矿锂嵌入能力随着煅烧温度的增加而增加,高达450℃。在450°煅烧的中孔锐钛矿二氧化钛以1 a / g的电流密度为118mAh / g的容量。锂嵌入性质依赖于结晶度,剩余的含水含量和中孔尺寸。

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