Iron Disulfide Cathode Material Incorporated in Highly Ordered Mesoporous Carbon for Rechargeable Lithium Ion Batteries

被引：0

作者：

Liu, Ying ^{[1
,2
]}

Heo, Jungwon ^{[2
]}

Li, Xueying ^{[3
]}

Sun, Yuanzheng ^{[3
]}

Lee, Younki ^{[3
]}

Lim, Du-Hyun ^{[2
]}

Ahn, Hyo-Jun ^{[3
]}

Cho, Kwon-Koo ^{[3
]}

Yang, Rong ^{[1
]}

Ahn, Jou-Hyeon ^{[2
,3
]}

机构：

[1] Xian Univ Technol, Sch Sci, Inst Chem Power Sources, Xian 710048, Peoples R China

[2] Gyeongsang Natl Univ, Dept Chem Engn, Jinju 52828, South Korea

[3] Gyeongsang Natl Univ, Dept Mat Engn & Convergence Technol, Jinju 52828, South Korea

来源：

SCIENCE OF ADVANCED MATERIALS | 2020年 / 12卷 / 09期

基金：

中国博士后科学基金; 新加坡国家研究基金会; 中国国家自然科学基金;

关键词：

Highly Ordered Mesoporous Carbon; CMK-5; Iron Disulfide; Lithium Ion Batteries; FES2; MICROSPHERES; ANODE; GRAPHENE; ELECTRODE;

D O I：

10.1166/sam.2020.3815

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A highly ordered mesoporous carbon@iron disulfide (CMK-5@FeS2) composite was prepared via an in-situ impregnation and sulfurization method. The CMK-5 matrix with excellent conductivity and high surface area not only formed a continuous conductive network to improve the performance of the CMK-5@FeS2 composite, but also provided sufficient space to buffer the volume changes during cycling. The CMK-5@FeS2 cell exhibited excellent electrochemical performance. After 80 cycles, the CMK-5@FeS2 cell showed the discharge capacities of 650 and 380 mAh g(-1) at 2 C and 5 C, respectively. The excellent results show that CMK-5 with unique mesoporous structure can contribute to accelerating ion transfer in the electrode due to the easy accessibility of the electrolyte, which implies CMK-5@FeS2 composite could be a promising cathode active material for rechargeable lithium ion (Li-ion) batteries.

引用

页码：1265 / 1270

页数：6

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