Urchin-like Nb2O5/CNT modified separator for lithium-sulfur batteries

被引:18
|
作者
Zhan, Liang [1 ]
Zhou, Xiaosong [1 ]
Luo, Jin [1 ]
Fan, Xuliang [1 ]
Ning, Xiaomei [1 ]
机构
[1] Lingnan Normal Univ, Res Ctr Clean Energy Mat Chem Engn Technol Guangdo, Sch Chem & Chem Engn, Zhanjiang 524048, Peoples R China
基金
中国国家自然科学基金;
关键词
Lithium-sulfur batteries; Nb2O5; Carbon nanotube; Modified separator; DOPED CARBON NANOFIBERS; POLYSULFIDE BARRIER; GRAPHENE OXIDE; PERFORMANCE; INTERLAYER; CATHODE; HYBRID; HOST; NANOSHEETS; NITROGEN;
D O I
10.1016/j.ijhydene.2022.06.089
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
The shuttle effect of polysulfide (LIPSs) is one of the crucial barriers for Lithium-sulfur batteries (LSBs). Herein, an urchin-like Nb2O5/carbon nanotube (CNT) modified separator was fabricated by simple hydrothermal and filtration processes. Benefiting from the strong chemical capturing ability of urchin-like Nb(2)O(5 )and conductive network constructed by CNTs, the modified separator can obviously alleviate the polysulfide shuttling. The battery with the urchin-like Nb2O5/CNT modified separator exhibited a reversible capacity of 600 mAh g(-1) at 0.5 C after 300 cycles and a rate capability (629 mAh g(-1) at 2 C).(c) 2022 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:27671 / 27679
页数:9
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