A N/S-codoped disordered carbon with enlarged interlayer distance derived from cirsium setosum as high-performance anode for sodium ion batteries

被引：7

作者：

Cao, Liyun ^{[1
]}

Wang, Yong ^{[1
]}

Hu, Hailing ^{[1
]}

Huang, Jianfeng ^{[1
]}

Kou, Lingjiang ^{[1
]}

Xu, Zhanwei ^{[1
]}

Li, Jiayin ^{[1
]}

机构：

[1] Shaanxi Univ Sci & Technol, Sch Mat Sci & Engn, Shaanxi Key Lab Green Preparat & Functionalizat I, Xian 710021, Shaanxi, Peoples R China

来源：

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2019年 / 30卷 / 24期

基金：

中国国家自然科学基金;

关键词：

HIGH-CAPACITY; HARD CARBON; LOW-COST; LITHIUM; NITROGEN; CHALLENGES; NANOTUBES; MICROSPHERES; NANOSPHERES; NANOFIBERS;

D O I：

10.1007/s10854-019-02509-0

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Biomass is considered an appropriate source for carbon anodes. In this paper, N/S-codoped carbon (NSC) was synthesized through hydrothermal pretreatment and subsequent melamine/sulfur activation with the cirsium setosum precursor. After being tested as anode material of sodium ion battery, the N/S-codoped carbon shows a reversible capacity of 268 mA h g(-1) at the current density of 100 mA g(-1) after 100 cycles. Moreover, it exhibits a long life and high rate performance (198.6 mAh g(-1) at 1000 mA g(-1) after 320 cycles and 133.9 mA h g(-1) at 5000 m A g(-1) after 1000 cycles). The superior electrochemical performance of NSC can be ascribed to its larger interplanar spacing (0.394 nm) and the increase in disordered degree due to the nitrogen/sulfur-codoped.

引用

页码：21323 / 21331

页数：9

共 63 条

[31] Carbon nanofibers derived from cellulose nanofibers as a long-life anode material for rechargeable sodium-ion batteries [J].