Two-dimensional MnO2/graphene hybrid nanostructures as anode for lithium ion batteries

被引：4
|
作者：
Wu, Shiyun [1 ]
Fan, Kaimin [1 ]
Wu, Minpin [2 ]
Yin, Guangqiang [2 ]
机构：
[1] Sichuan Univ Arts & Sci, Sch Phys & Mechtron Engn, Dazhou 635000, Peoples R China
[2] Univ Elect Sci & Technol China, Joint Lab Police Equipment, Chengdu 610054, Peoples R China
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 2016年 / 30卷 / 27期
关键词：
MnO2/graphene hybrid nanostructure; density functional theory; adsorption; diffusion; lithium ion batteries; CATHODE MATERIAL; HIGH-PERFORMANCE; CARBON NANOTUBES; LI DIFFUSION; AB-INITIO; GRAPHENE; ADSORPTION; 1ST-PRINCIPLES; STORAGE; SURFACE;
D O I：
10.1142/S0217979216502088
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Using density functional theory, we have investigated the adsorption and diffusion of lithium on the two-dimensional MnO2/graphene hybrid nanostructures. The simulation results show that the adsorption energy is increased compared with pure graphene and monolayer MnO2. At the same time, the diffusion barrier is greatly reduced as lithium diffuses on the graphene side. The results indicate that the MnO2/graphene hybrid nanostructure can be used as a good anode material for lithium ion batteries.
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页数：8
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