Metallic MoN layer and its application as anode for lithium-ion batteries
Metallic MoN layer and its application as anode for lithium-ion batteries
复制标题
金属MoN层及其作为锂离子电池负极的应用
DOI:
10.1088/1361-6528/aaad48
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发表时间:
2018-02
期刊:
影响因子:
3.5
通讯作者:
Quhe Ruge
中科院分区:
文献类型:
--
作者:
Zhang Qiaoxuan;Ma Jiachen;Lei Ming;Quhe Ruge
Recently, two-dimensional (2D) metallic MoN was manufactured successfully in experiment. Its intrinsic properties remain to be explored theoretically, in depth. The intrinsic properties of a MoN monolayer are investigated by first-principles calculations. The distinct geometric properties of the outermost Mo and N surfaces are discovered. We predict an extremely high work function of 6.3 eV of the N surface, which indicates the great value of the 2D MoN for application in the semiconductor industry. We further explore the potential of 2D MoN as anode material for lithium-ion batteries. It is found that the adsorption energy of a single Li atom on an MoN surface can be as low as −4.04 eV. The small diffusion barriers (0.41 eV) and high theoretical maximum capacity (406 mAh · g−1 with the inclusion of multilayer adsorption) all imply an outstanding lithium-ion battery performance by 2D MoN.
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