Oxidized Nb2C MXene as catalysts for lithium-sulfur batteries: mitigating the shuttle phenomenon by facilitating catalytic conversion of lithium polysulfides

Author(s):  
Cailing Song ◽  
Wen Zhang ◽  
Qianwen Jin ◽  
Yan Zhao ◽  
Yongguang Zhang ◽  
...  
Author(s):  
Haojie Li ◽  
Yihua Song ◽  
Kai Xi ◽  
Wei Wang ◽  
Sheng Liu ◽  
...  

A sufficient areal capacity is necessary for achieving high-energy lithium sulfur battery, which requires high enough sulfur loading in cathode materials. Therefore, kinetically fast catalytic conversion of polysulfide intermediates is...


2019 ◽  
Vol 9 (19) ◽  
pp. 1900219 ◽  
Author(s):  
Long Jiao ◽  
Chen Zhang ◽  
Chuannan Geng ◽  
Shichao Wu ◽  
Huan Li ◽  
...  

2020 ◽  
Vol 8 (47) ◽  
pp. 25411-25424
Author(s):  
Changhoon Choi ◽  
Jung Been Park ◽  
Dong-Wan Kim

A synergistic engineering layer consisting of H2Ti3O7 and conductive agents on a separator exhibits a suppressed shuttle effect and enhanced catalytic conversion of polysulfides with acceleration of electron/Li+ transfer for Li–S batteries.


2020 ◽  
Vol 30 (30) ◽  
pp. 2002471 ◽  
Author(s):  
Di Zhang ◽  
Shuai Wang ◽  
Riming Hu ◽  
Jianan Gu ◽  
Yanglansen Cui ◽  
...  

2020 ◽  
Vol 8 (45) ◽  
pp. 24117-24127
Author(s):  
Zhe Su ◽  
Mingqi Chen ◽  
Yankai Pan ◽  
Yajing Liu ◽  
Hai Xu ◽  
...  

The sluggish reaction kinetics and notorious polysulfide shuttling arising from the multistep solid/liquid conversion are the significant obstacles to practical applications of lithium–sulfur (Li–S) batteries.


2019 ◽  
Vol 7 (38) ◽  
pp. 21747-21758 ◽  
Author(s):  
Yupeng Zhang ◽  
Rong Gu ◽  
Shuai Zheng ◽  
KeXuan Liao ◽  
Penghui Shi ◽  
...  

A novel hierarchical mesoporous nitrogen-rich carbon nanospheres comprising one-dimensional (1D) bamboo-like carbon nanotubes encapsulating Fe3O4 nanoparticles synthesized are used as a high-efficiency host for lithium–sulfur batteries.


Nanoscale ◽  
2019 ◽  
Vol 11 (43) ◽  
pp. 20579-20588 ◽  
Author(s):  
Shaonan Gu ◽  
Zhaowen Bai ◽  
Soumyadip Majumder ◽  
Baoling Huang ◽  
Guohua Chen

The α-CoS/Co heterostructure provides a strong adsorption and facilitates fast catalytic conversion of polysulfides.


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