Sandwich structured graphene-wrapped FeS-graphene nanoribbons with improved cycling stability for lithium ion batteries

被引：52
|
作者：
Li, Lei [1 ]
Gao, Caitian [1 ,2 ]
Kovalchuk, Anton [1 ]
Peng, Zhiwei [1 ]
Ruan, Gedeng [1 ]
Yang, Yang [1 ,3 ,6 ]
Fei, Huilong [1 ]
Zhong, Qifeng [1 ,4 ]
Li, Yilun [1 ]
Tour, James M. [1 ,3 ,5 ]
机构：
[1] Rice Univ, Dept Chem, 6100 Main St, Houston, TX 77005 USA
[2] Lanzhou Univ, Sch Phys Sci & Technol, Lanzhou 730000, Peoples R China
[3] Rice Univ, NanoCarbon Ctr, 6100 Main St, Houston, TX 77005 USA
[4] Southeast Univ, Sch Biol Sci & Med Engn, State Key Lab Bioelect, Nanjing 210096, Jiangsu, Peoples R China
[5] Rice Univ, Dept Mat Sci & NanoEngn, 6100 Main St, Houston, TX 77005 USA
[6] Univ Cent Florida, Dept Mat & Engn, 12424 Res Pkwy Suite 423, Orlando, FL 32826 USA
来源：
NANO RESEARCH | 2016年 / 9卷 / 10期
关键词：
lithium ion battery; iron sulfide; graphene nanoribbons; graphene; energy storage; ENHANCED ELECTROCHEMICAL PERFORMANCE; CARBON; ANODE; CATHODES; STORAGE; COMPOSITES; CHALLENGES; INSERTION;
D O I：
10.1007/s12274-016-1175-x
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：
Sandwich structured graphene-wrapped FeS-graphene nanoribbons (G@FeS-GNRs) were developed. In this composite, FeS nanoparticles were sandwiched between graphene and graphene nanoribbons. When used as anodes in lithium ion batteries (LIBs), the G@FeS-GNR composite demonstrated an outstanding electrochemical performance. This composite showed high reversible capacity, good rate performance, and enhanced cycling stability owing to the synergy between the electrically conductive graphene, graphene nanoribbons, and FeS. The design concept developed here opens up a new avenue for constructing anodes with improved electrochemical stability for LIBs.
引用
收藏
页码：2904 / 2911
页数：8
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