Impregnation of sulfur into a 2D pyrene-based covalent organic framework for high-rate lithium–sulfur batteries

2018 ◽  
Vol 6 (35) ◽  
pp. 17186-17191 ◽  
Author(s):  
Yi Meng ◽  
Guiqing Lin ◽  
Huimin Ding ◽  
Huaping Liao ◽  
Cheng Wang
Keyword(s):  
High Rate ◽  
Covalent Organic Framework ◽  
Term Stability ◽  
Long Term Stability ◽  
Lithium Sulfur Batteries ◽  
Rate Capacity ◽  
Lithium Sulfur ◽  
Organic Framework

By loading 70 wt% sulfur into a pyrene-based COF (Py-COF), we constructed Li–S batteries with high-rate capacity and long-term stability.

A polymer cage as an efficient polysulfide reservoir for lithium–sulfur batteries

2019 ◽  
Vol 55 (83) ◽  
pp. 12499-12502
Author(s):  
Shuaibo Zeng ◽  
Gowri Manohari Arumugam ◽  
Xianhu Liu ◽  
Fei Guo ◽  
Xin Li ◽  
...  
Keyword(s):  
Self Assembly ◽  
Term Stability ◽  
Long Term Stability ◽  
Assembly Strategy ◽  
Attenuation Rate ◽  
Lithium Sulfur Batteries ◽  
Lithium Sulfur

A self-assembly strategy to prepare cage-polymer coated nano-sulfur particles, which exhibit long-term stability with an attenuation rate of 0.071% per cycle, is demonstrated.

scholarly journals Construction of ultrathin MnO2 decorated graphene/carbon nanotube nanocomposites as efficient sulfur hosts for high-performance lithium–sulfur batteries

RSC Advances ◽  
2019 ◽  
Vol 9 (11) ◽  
pp. 6346-6355 ◽  
Author(s):  
Nan Wang ◽  
Sikan Peng ◽  
Xiang Chen ◽  
Jixian Wang ◽  
Chen Wang ◽  
...  
Keyword(s):  
High Performance ◽  
Cycling Performance ◽  
High Rate ◽  
Rate Performance ◽  
Lithium Sulfur Batteries ◽  
Sulfur Hosts ◽  
High Rate Performance ◽  
Nano Size ◽  
Lithium Sulfur

Ultrathin MnO2 nanosheets and nano size sulfur particles distributed uniformly on the surface of G/CNT hybrids, which exhibit high rate performance and long-term cycling performance.

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