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Abstract:
采用热解Sn(OH)4和淀粉混合物制备碳包覆纳米SnO2的方法合成了无定形碳包覆纳米SnO2.采用XRD、SEM、TEM、STEM-EDX以及充放电测试等手段对其结构、形貌和性能进行表征.结果表明,样品材料中无定形碳呈薄片状,被包覆的纳米SnO2(20~50nm)均匀分布在片状无定形碳中.产物中SnO2与碳的不同比例影响了产物的性能,样品(SnO2∶C=1∶1)首次循环的可逆比容量达到404mAh.g-1,20次循环内无明显衰减.
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Source :
无机材料学报
Year: 2009
Issue: 01
Volume: 24
Page: 147-151
Cited Count:
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 0
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