Characterization of Li-rich layered oxides by using transmission electron microscope

Hu Zhao; Bao Qiu; Haocheng Guo; Kai Jia; Zhaoping Liu; Yonggao Xia

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Characterization of Li-rich layered oxides by using transmission electron microscope

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Lithium-rich layered oxides(LrLOs) deliver extremely high specific capacities and are considered to be promising candidates for electric vehicle and smart grid applications. However, the application of LrLOs needs further understanding of the structural complexity and dynamic evolution of monoclinic and rhombohedral phases, in order to overcome the issues including voltage decay, poor rate capability, initial irreversible capacity loss and etc. The development of aberration correction for the transmission electron microscope and concurrent progress in electron spectroscopy, have fueled rapid progress in the understanding of the mechanism of such issues. New techniques based on the transmission electron microscope are first surveyed, and the applications of these techniques for the study of the structure, migration of transition metal, and the activation of oxygen of LrLOs are then explored in detail, with a particular focus on the mechanism of voltage decay.

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《绿色能源与环境：英文版》 |2017年第003期|P.174-185|共12页
作者
Hu Zhao; Bao Qiu; Haocheng Guo; Kai Jia; Zhaoping Liu; Yonggao Xia;
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作者单位

Advanced Li-ion Battery, Engineering Laboratory and Key Laboratory of Graphene Technologies and Applications of Zhejiang Province,Ningbo Institute of Materials Technology & Engineering (NIMTE), Chinese Academy of Sciences;

Advanced Li-ion Battery, Engineering Laboratory and Key Laboratory of Graphene Technologies and Applications of Zhejiang Province,Ningbo Institute of Materials Technology & Engineering (NIMTE), Chinese Academy of Sciences;

Advanced Li-ion Battery, Engineering Laboratory and Key Laboratory of Graphene Technologies and Applications of Zhejiang Province,Ningbo Institute of Materials Technology & Engineering (NIMTE), Chinese Academy of Sciences;

Advanced Li-ion Battery, Engineering Laboratory and Key Laboratory of Graphene Technologies and Applications of Zhejiang Province,Ningbo Institute of Materials Technology & Engineering (NIMTE), Chinese Academy of Sciences;

Advanced Li-ion Battery, Engineering Laboratory and Key Laboratory of Graphene Technologies and Applications of Zhejiang Province,Ningbo Institute of Materials Technology & Engineering (NIMTE), Chinese Academy of Sciences;

Advanced Li-ion Battery, Engineering Laboratory and Key Laboratory of Graphene Technologies and Applications of Zhejiang Province,Ningbo Institute of Materials Technology & Engineering (NIMTE), Chinese Academy of Sciences;

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Characterization of Li-rich layered oxides by using transmission electron microscope

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