Sulfur-functionalized three-dimensional graphene monoliths as high-performance anodes for ultrafast sodium-ion storage

被引：1
|
作者：
Zheng, Dequn [1 ]
Zhang, Jun [2 ]
Lv, Wei [1 ]
Cao, Tengfei [2 ]
Zhang, Siwei [2 ]
Qiu, Dong [1 ]
Tao, Ying [3 ,4 ]
He, Yanbing [1 ]
Kang, Feiyu [1 ,2 ]
Yang, Quan-Hong [1 ,3 ,4 ]
机构：
[1] Tsinghua Univ, Grad Sch Shenzhen, Shenzhen Key Lab Graphene Based Mat, Engn Lab Functionalized Carbon Mat, Shenzhen 518055, Peoples R China
[2] Tsinghua Univ, TBSI, Shenzhen 518055, Peoples R China
[3] Tianjin Univ, Sch Chem Engn & Technol, Tianjin 300072, Peoples R China
[4] Collaborat Innovat Ctr Chem Sci & Engn Tianjin, Tianjin 300072, Peoples R China
来源：
CHEMICAL COMMUNICATIONS | 2018年 / 54卷 / 34期
基金：
中国国家自然科学基金;
关键词：
ENERGY-STORAGE; BATTERIES; NITROGEN; OXIDE;
D O I：
10.1039/C8CC01631C
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Sulfur-functionalized graphene monoliths with a high sulfur fraction (16.8 wt%) were prepared to demonstrate a high capacity (similar to 400 mA h g(-1) at 0.1 A g(-1)) and ultrafast (similar to 120 mA h g(-1) at 5 A g(-1)) sodium ion storage. The reversible reaction of -C-S-x-C- with sodium ions contributes to the extra capacity while a 3D graphene network guarantees high rate capability.
引用
收藏
页码：4317 / 4320
页数：4
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