Hierarchically Nanostructured Transition Metal Oxides for Lithium-Ion Batteries.
Hierarchically Nanostructured Transition Metal Oxides for Lithium-Ion Batteries.
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DOI:
10.1002/advs.201700592
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发表时间:
2018-03
期刊:
影响因子:
--
通讯作者:
Pang H
中科院分区:
文献类型:
--
作者:
Zheng M;Tang H;Li L;Hu Q;Zhang L;Xue H;Pang H
Lithium‐ion batteries (LIBs) have been widely used in the field of portable electric devices because of their high energy density and long cycling life. To further improve the performance of LIBs, it is of great importance to develop new electrode materials. Various transition metal oxides (TMOs) have been extensively investigated as electrode materials for LIBs. According to the reaction mechanism, there are mainly two kinds of TMOs, one is based on conversion reaction and the other is based on intercalation/deintercalation reaction. Recently, hierarchically nanostructured TMOs have become a hot research area in the field of LIBs. Hierarchical architecture can provide numerous accessible electroactive sites for redox reactions, shorten the diffusion distance of Li‐ion during the reaction, and accommodate volume expansion during cycling. With rapid research progress in this field, a timely account of this advanced technology is highly necessary. Here, the research progress on the synthesis methods, morphological characteristics, and electrochemical performances of hierarchically nanostructured TMOs for LIBs is summarized and discussed. Some relevant prospects are also proposed.
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