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Electrode material of core-shell hybrid MoS2@C/CNTs with carbon intercalated few-layer MoS2 nanosheets
Materials Today Energy ( IF 9.3 ) Pub Date : 2020-01-08 , DOI: 10.1016/j.mtener.2019.100379
Xunbao Guan , Liping Zhao , Peng Zhang , Jing Liu , Xuefeng Song , Lian Gao

MoS2@C/CNTs is synthesized and applied as electrode of supercapacitors. Few-layer MoS2 nanosheets, with amorphous carbon located at both the surface and interlayers, grow on the CNTs surface and form coaxial nanocable structure MoS2@C/CNTs. The intercalated amorphous carbon broadens interlayer spacing of MoS2 (002) planes, which provides both electron and ions transmission path as well as protection to volume change of MoS2 during electrochemical processes. The MoS2@C/CNTs electrode exhibits excellent electrochemical properties, such as high specific capacitance and excellent cyclic stability. The specific capacitance is 335 F/g at current density of 1 A/g and capacitance retention ratio of 127% is achieved after 40000 cycles.



中文翻译:

碳-插入的多层MoS 2纳米片构成的核-壳杂化MoS 2 @ C / CNTs的电极材料

合成了MoS 2 @ C / CNTs并作为超级电容器的电极。非晶碳位于表面和中间层的几层MoS 2纳米片在CNTs表面上生长并形成同轴的纳米电缆结构MoS 2 C / CNT。插入的无定形碳拓宽了MoS 2(002)平面的层间距,这提供了电子和离子的传输路径,并为电化学过程中MoS 2的体积变化提供了保护。MoS 2C / CNTs电极具有出色的电化学性能,例如高比电容和出色的循环稳定性。在1 A / g的电流密度下,比电容为335 F / g,经过40000次循环后,电容保持率达到127%。

更新日期:2020-01-08
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