Enhancing Polysulfides Confining and Converting in Meso-/microporous Core-shelled MoC/NC Microspheres for Lithium-Sulfur Batteries

2021 ◽  
Author(s):  
Wanli Li ◽  
Xiangfeng Jin ◽  
Liangping Xiao ◽  
XINGYUN Li ◽  
Qingchi Xu ◽  
...  
Keyword(s):  
Porous Carbon ◽  
Volume Expansion ◽  
Sulfur Cathode ◽  
Lithium Sulfur Batteries ◽  
Sulfur Hosts ◽  
Lithium Sulfur ◽  
Carbon Based

Since porous carbon-based materials are employed as sulfur hosts, the problems of insulating nature and volume expansion during lithiation of the sulfur cathode in lithium-sulfur (Li-S) batteries have been overcome...

A high tenacity electrode by assembly of a soft sorbent and a hard skeleton for lithium–sulfur batteries

2017 ◽  
Vol 5 (43) ◽  
pp. 22459-22464 ◽  
Author(s):  
Xiaonan Tang ◽  
Zhenhua Sun ◽  
Ji Liang ◽  
Jinping Zhao ◽  
Hui-Ming Cheng ◽  
...  
Keyword(s):  
Composite Structure ◽  
Volume Expansion ◽  
Sulfur Cathode ◽  
Lithium Sulfur Batteries ◽  
Lithium Sulfur

The volume expansion of a sulfur cathode can be accommodated by fabricating a composite structure with a soft sorbent (graphene) and a hard skeleton (SiC) material in lithium sulfur batteries.

Hollow polyaniline sphere@sulfur composites for prolonged cycling stability of lithium–sulfur batteries

2014 ◽  
Vol 2 (27) ◽  
pp. 10350-10354 ◽  
Author(s):  
Guoqiang Ma ◽  
Zhaoyin Wen ◽  
Jun Jin ◽  
Yan Lu ◽  
Xiangwei Wu ◽  
...  
Keyword(s):  
Electrochemical Performance ◽  
Volume Expansion ◽  
Cycling Stability ◽  
Sulfur Cathode ◽  
Shuttle Effect ◽  
Excellent Electrochemical Performance ◽  
Lithium Sulfur Batteries ◽  
Lithium Sulfur

Sulfur cathode with excellent electrochemical performance based on hollow PANI spheres, which can suppress the shuttle effect and buffer the volume expansion.

Bio-derived N-doped porous carbon as sulfur hosts for high performance lithium sulfur batteries

2019 ◽  
Vol 26 (6) ◽  
pp. 1426-1434 ◽  
Author(s):  
Yan-yan Liu ◽  
Li-jing Yan ◽  
Xian-qing Zeng ◽  
Ze-heng Li ◽  
Shu-dong Zhou ◽  
...  
Keyword(s):  
Porous Carbon ◽  
High Performance ◽  
Lithium Sulfur Batteries ◽  
Sulfur Hosts ◽  
Lithium Sulfur
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