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

页码：4317 / 4320

页数：4

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