当前位置: X-MOL 学术Nanoscale Res. Lett. › 论文详情
Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
ZIF-67-Derived CoSe/NC Composites as Anode Materials for Lithium-Ion Batteries.
Nanoscale Research Letters ( IF 5.5 ) Pub Date : 2019-12-02 , DOI: 10.1186/s11671-019-3194-5
Zongyang Li 1, 2, 3 , Lian Ying Zhang 4 , Lei Zhang 5 , Jiamu Huang 3 , Hongdong Liu 1, 2
Affiliation  

As a typical metal selenide, CoSe is a kind of foreground anode material for lithium-ion batteries (LIBs) because of its two-dimensional layer structure, good electrical conductivity, and high theoretical capacity. In this work, the original CoSe/N-doped carbon (CoSe/NC) composites were synthesized using ZIF-67 as a precursor, in which the CoSe nanoparticles are encapsulated in NC nanolayers and they are connected through C-Se bonds. The coating structure and strong chemical coupling make the NC nanolayers could better effectively enhance the lithium storage properties of CoSe/NC composites. As a consequence, the CoSe/NC composites deliver a reversible capacity of 310.11 mAh g-1 after 500 cycles at 1.0 A g-1. Besides, the CoSe/NC composites show a distinct incremental behavior of capacity.

中文翻译:

ZIF-67衍生的CoSe / NC复合材料作为锂离子电池的负极材料。

作为典型的金属硒化物,CoSe具有二维层结构,良好的导电性和较高的理论容量,是锂离子电池(LIB)的一种前景阳极材料。在这项工作中,使用ZIF-67作为前体合成了原始的CoSe / N掺杂碳(CoSe / NC)复合材料,其中CoSe纳米颗粒被封装在NC纳米层中,并通过C-Se键连接。涂层结构和强大的化学偶联作用使得NC纳米层可以更好地有效增强CoSe / NC复合材料的储锂性能。结果,CoSe / NC复合材料在1.0 A g-1下经过500次循环后可提供310.11 mAh g-1的可逆容量。此外,CoSe / NC复合材料显示出明显的容量增加行为。
更新日期:2019-12-02
down
wechat
bug