Nanosheet-Constructed Porous TiO2-B for Advanced Lithium Ion Batteries

Nanosheet-Constructed Porous TiO2-B for Advanced Lithium Ion Batteries
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DOI:
10.1002/adma.201201036
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发表时间:
2012-06-26
期刊:
影响因子:
29.4
通讯作者:
Che, Shunai
Che, Shunai
中科院分区:
材料科学1区
文献类型:
--
作者:
Liu, Shaohua;Jia, Haiping;Che, Shunai

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成功合成了具有薄纳米片的多级孔TiO2-B。 TiO2-B 多晶型物由于其赝电容机制,可确保锂离子的快速插入。具有多孔结构的薄纳米片壁允许暴露于电解质,以便于离子传输和界面反应。这些接头优点赋予该材料高可逆容量、优异的循环性能和优越的倍率性能。
Hierarchical porous TiO2-B with thin nanosheets is successfully synthesized. TiO2-B polymorph ensures fast insertion of Li-ion due to its pseudocapacitive mechanism. The thin nanosheet walls with porous structure allow exposure to electrolytes for facile ionic transport and interfacial reaction. The joint advantages endow this material with high reversible capacity, excellent cycling performance, and superior rate capability.