Rational design of Co embedded N,S-codoped carbon nanoplates as anode materials for high performance lithium-ion batteries

被引：0
作者：
Shuang W. [1 ]
Kong L. [1 ]
Zhong M. [1 ]
Wang D. [1 ]
Liu J. [1 ]
Bu X.-H. [1 ,2 ,3 ]
机构：
[1] School of Materials Science and Engineering, National Institute for Advanced Materials, TKL of Metal and Molecule Based Material Chemistry, Nankai University, Tianjin
[2] Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education) College of Chemistry, Nankai University, Tianjin
[3] Collaborative Innovation Center of Chemical Science and Engineering, Tianjin
来源：
Wang, Danhong (dhwang@nankai.edu.cn) | 2018年 / Royal Society of Chemistry卷 / 47期
基金：
中国国家自然科学基金; 美国国家科学基金会;
关键词：
D O I：
10.1039/C8DT02082E
中图分类号：
学科分类号：
摘要：
The construction of specific structures and heteroatom-doped nanomaterials is essential for enhancing the electrochemical performance of lithium-ion batteries (LIBs). Herein, three structures of cobalt nanoparticle embedded N,S-codoped carbon (CNSCo-x) nanocomposites are obtained by pyrolysis of different amounts of thioacetamide (TAA) sulfuretted zeolitic imidazolate frameworks (ZIF-67) under an Ar/H2 atmosphere. With the addition of 0.5 mmol of TAA, CNSCo-0.5 with an orderly and porous nanoplate structure is obtained. The CNSCo-0.5 exhibits the best rate behavior and cycling stability with an initial discharge capacity of 1355 mA h g−1 at 200 mA g−1, and high discharge capacities of 1360.4 mA h g−1 at the 200th cycle at 200 mA g−1, and 647.9 mA h·g−1 at the 400th cycle at 1000 mA g−1. This facile synthetic strategy could be extended to other MOFs and is significant for developing new materials for LIBs. © The Royal Society of Chemistry.
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页码：12385 / 12392
页数：7
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