Co3O4-based fluffy tubes structure used as anode material for lithium-ion battery

被引：7
|
作者：
Zhang, X. T. [1 ]
Chen, X. Z. [1 ]
Luo, G. [1 ]
Li, L. [1 ]
Li, Y. [1 ]
Hu, J. N. [1 ]
Zhang, B. J. [1 ]
机构：
[1] Zhejiang Coll Secur Technol, Emergency Technol Coll, Wenzhou 325000, Peoples R China
来源：
MATERIALS LETTERS | 2022年 / 309卷
关键词：
Co3O4; MWCNTs; Sugar gourd-like structure; Anode; Lithium-ion battery; HIGH-PERFORMANCE ANODE; COMPOSITE; HETEROSTRUCTURES; SUPERCAPACITORS; ROUTE;
D O I：
10.1016/j.matlet.2021.131427
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Herein, a distinctive structure is synthesized by combining multi-walled nanotubes (MWCNTs) with Co3O4. Zif-67 grew densely on MWCNTs and formed a sugar-gourd structure. Then, it carbonized in Ar/H-2, and finally oxidized in air to form fluffy tubes. The surface produces a large number of secondary carbon nanotubes, forming conductive tentacles that increase the material's conductivity. Our results show that the material has high cyclical stability. After 100 cycles at the current density of 500 mA g(-1), there is still a specific discharge capacity of 714 mAh g(-1), and the capacity retention rate is as high as 92.4%. It is a potential anode candidate material for the next generation of high-power Lithium ion batteries (LIBs).
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页数：5
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