Hybrid network CuS monolith cathode materials synthesized via facile in situ melt-diffusion for Li-ion batteries

被引：78

作者：

Cheng, Juanjuan

Pan, Yong

Zhu, Jingtao

Li, Zhenzhen

Pan, Junan

Ma, Zengsheng

机构：

[1] Xiangtan Univ, Key Lab Low Dimens Mat & Applicat Technol, Minist Educ, Xiangtan 411105, Hunan, Peoples R China

[2] Xiangtan Univ, Fac Mat Optoelect & Phys, Xiangtan 411105, Hunan, Peoples R China

来源：

JOURNAL OF POWER SOURCES | 2014年 / 257卷

基金：

中国国家自然科学基金;

关键词：

CuS cathode; Binder-free; Hybrid network; Li-ion battery; ELECTROCHEMICAL PROPERTIES; LITHIUM BATTERIES; SULFUR CATHODE; COPPER SULFIDE; ANODE MATERIAL; HIGH-CAPACITY; HIGH-POWER; PERFORMANCE; COMPOSITE; FOAM;

D O I：

10.1016/j.jpowsour.2014.01.124

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 hybrid network CuS monolith cathode, consisting of the microporous network formed by CuS sheets and particles on three-dimensional macroporous monolith Cu foam, is synthesized by a facile in situ melt-diffusion strategy without binder for Li-ion batteries. The cathode shows an abnormal capacity of 185.1 and 468.3 mAh g(-1) CuS for the first and 100th cycle at a current rate of 0.2 C(1 C = 560 mA g(-1)), respectively. And it could recover 83.9% of the capacity after cycled at various current rates, demonstrating an excellent rate capability which outperforms many other currently available CuS cathodes. Crown Copyright (C) 2014 Published by Elsevier B.V.All rights reserved.

引用

页码：192 / 197

页数：6

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