Sonochemical synthesis and high lithium storage properties of ordered Co/CMK-3 nanocomposites

被引：17

作者：

Qiao, Hui ^{[1
,3
]}

Xia, Zhaokang ^{[1
]}

Liu, Yanhua ^{[1
]}

Cui, Rongrong ^{[1
]}

Fei, Yaqian ^{[1
]}

Cai, Yibing ^{[1
]}

Wei, Qufu ^{[1
]}

Yao, Qingxia ^{[2
]}

Qiao, Qiquan ^{[3
]}

机构：

[1] Jiangnan Univ, Key Lab Ecotext, Minist Educ, Wuxi 214122, Peoples R China

[2] Liaocheng Univ, Sch Chem & Chem Engn, Liaocheng 252000, Peoples R China

[3] South Dakota State Univ, Dept Elect Engn & Comp Sci, Brookings, SD 57007 USA

来源：

APPLIED SURFACE SCIENCE | 2017年 / 400卷

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

Sonochemical; Ordered Co/CMK-3; Nanocomposites; Lithium storage properties; Lithium-ion batteries; ANODE MATERIAL; MESOPOROUS CARBON; ELECTROCHEMICAL PERFORMANCE; REVERSIBLE CAPACITY; COMPOSITE NANOFIBER; ELECTRODE MATERIALS; FACILE SYNTHESIS; ION BATTERIES; NANOPARTICLES; GRAPHENE;

D O I：

10.1016/j.apsusc.2016.12.213

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：

A novel ordered Co/CMK-3 nanocomposite was successfully synthesized via the sonochemical method followed by carbonization process. The ordered Co/CMK-3 nanocomposite were characterized by X-ray diffraction, transmission electron microscopy and N-2 adsorption-desorption analysis techniques. The lithium storage properties shows that the Co/CMK-3 nanocomposites exhibit a large reversible capacity and good cycle stability with the capacity of 720 mAh g(-1) after 50 cycles at a current rate of 50 mA g(-1), much higher than that of original CMK-3 electrode. The Co/CMK-3 nanocomposites also demonstrates an excellent rate capability with capacity of 479 mAh g(-1) even at a current density of 1000 mA g(-1) after 50 cycles. The improved lithium storage properties of ordered Co/CMK-3 nanocomposites can be attributed to the CMK-3 could restrain the aggregation of Co nanoparticles, the large surface area of the mesopores in which the Co nanoparticles are formed, as well as presence of Co which played the role of catalyst could promote the lithium storage reaction. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：492 / 497

页数：6

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