Chain-tailed dodecahedron structure derived from Zn/Co-ZIFs/CNTs with excellent rate capability as an anode for lithium-ion batteries

被引：6

作者：

Fu, Hang ^{[1
]}

Shi, Chonghua ^{[1
]}

Li, Zhitong ^{[1
]}

Nie, Jiajin ^{[1
]}

Yao, Shaowei ^{[1
,2
]}

机构：

[1] North China Univ Sci & Technol, Coll Mat Sci & Engn, Tangshan 063210, Hebei, Peoples R China

[2] Key Lab Inorgan Mat Hebei Prov, Tangshan 063210, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2022年 / 904卷

关键词：

Zn/Co-ZIFs/CNTs dodecahedron; Electrochemical performance; Lithium-ion batteries; Anode materials; ZEOLITIC IMIDAZOLATE FRAMEWORKS; METAL-ORGANIC FRAMEWORKS; CARBON; PERFORMANCE; SUPERCAPACITOR; NANOCOMPOSITES; INTERCALATION; STABILITY; COMPOSITE; DESIGN;

D O I：

10.1016/j.jallcom.2022.164104

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Herein, a unique dodecahedron composite material of Zn-Co bimetallic zeolitic imidazolate frameworks (ZIFs) and carbon nanotubes (CNTs) is synthesized by a simple room temperature static precipitation-annealing process. As an anode material for lithium-ion batteries (LIBs), the designed nanomaterials exhibits excellent lithium storage performance and cycle performance. It demonstrates a high discharge specific capacity of 720.9 mAh g(-1) at 100 mA g(-1). Besides, a high reversible capacity of 608.7 mAh g(-1) at a current density of 500 mA g(-1) after 300 cycles. The significant improvement in the electrochemical performance of Zn/Co-ZIFs/CNTs nanocomposite can be attributed to the strong synergy between Zn/Co-ZIFs and CNTs. (C) 2022 Elsevier B.V. All rights reserved.

引用

页数：7

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