Enhanced multiple anchoring and catalytic conversion of polysulfides by SnO2-decorated MoS2 hollow microspheres for high-performance lithium-sulfur batteries

2021 ◽  
Author(s):  
Yun Tian ◽  
Zhengyu Wei ◽  
Fan Li ◽  
Songjie Li ◽  
Lixiang Shao ◽  
...  
Keyword(s):  
High Performance ◽  
Catalytic Conversion ◽  
Hollow Microspheres ◽  
Lithium Sulfur Batteries ◽  
Lithium Sulfur

Sulfur vacancies in Co9S8-x/N-doped graphene enhancing electrochemical kinetics to high-performance lithium sulfur batteries

2021 ◽  
Author(s):  
Haojie Li ◽  
Yihua Song ◽  
Kai Xi ◽  
Wei Wang ◽  
Sheng Liu ◽  
...  
Keyword(s):  
Cathode Materials ◽  
High Performance ◽  
Catalytic Conversion ◽  
High Energy ◽  
Electrochemical Kinetics ◽  
Lithium Sulfur Batteries ◽  
Doped Graphene ◽  
Sulfur Battery ◽  
Areal Capacity ◽  
Lithium Sulfur

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...

In situ grown α-Cos/Co heterostructures on nitrogen doped carbon polyhedra enabling the trapping and reaction-intensification of polysulfides towards high performance lithium sulfur batteries

Nanoscale ◽  
2019 ◽  
Vol 11 (43) ◽  
pp. 20579-20588 ◽  
Author(s):  
Shaonan Gu ◽  
Zhaowen Bai ◽  
Soumyadip Majumder ◽  
Baoling Huang ◽  
Guohua Chen
Keyword(s):  
High Performance ◽  
Catalytic Conversion ◽  
Nitrogen Doped ◽  
Strong Adsorption ◽  
Lithium Sulfur Batteries ◽  
Nitrogen Doped Carbon ◽  
Lithium Sulfur

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

Blocking polysulfides with a Janus Fe3C/N-CNF@RGO electrode via physiochemical confinement and catalytic conversion for high-performance lithium–sulfur batteries

2021 ◽  
Author(s):  
Jiayi Li ◽  
Hongwei Zhang ◽  
Linqu Luo ◽  
Hao Li ◽  
Junyu He ◽  
...  
Keyword(s):  
High Performance ◽  
Catalytic Conversion ◽  
Cycling Stability ◽  
Physical Barrier ◽  
Chemical Immobilization ◽  
Lithium Sulfur Batteries ◽  
Lithium Sulfur

A novel Janus Fe3C/N-CNF@RGO electrode was successfully constructed, which realizes the co-existence of chemical immobilization, catalytic ability, and physical barrier in 3D conductive networks, enabling robust cycling stability of Li–S battery

Enhanced Catalytic Conversion of Polysulfides Using Bimetallic Co7Fe3 for High-Performance Lithium–Sulfur Batteries

ACS Nano ◽  
2020 ◽  
Vol 14 (9) ◽  
pp. 11558-11569 ◽  
Author(s):  
Pan Zeng ◽  
Cheng Liu ◽  
Xiaofeng Zhao ◽  
Cheng Yuan ◽  
Yungui Chen ◽  
...  
Keyword(s):  
High Performance ◽  
Catalytic Conversion ◽  
Lithium Sulfur Batteries ◽  
Lithium Sulfur

Oxygen Doping in Antimony Sulfide Nanosheets to Facilitate Catalytic Conversion of Polysulfides for Lithium–Sulfur Batteries

2021 ◽  
Author(s):  
Yonggui Zhang ◽  
Shuo Yang ◽  
Suya Zhou ◽  
Libin Zhang ◽  
Binbin Gu ◽  
...  
Keyword(s):  
High Performance ◽  
Catalytic Effect ◽  
Catalytic Conversion ◽  
Oxygen Doping ◽  
Antimony Sulfide ◽  
Lithium Sulfur Batteries ◽  
Lithium Sulfur

A high-performance catalyst, O-doped Sb2S3 nanosheets (SS-O NSs), is synthesized and introduced into lithium–sulfur batteries. Owing to their good conductivity, strong adsorbability/catalytic effect to polysulfides and fast Li+ diffusion, the...

Local charge rearrangement to boost the chemical adsorption and catalytic conversion of polysulfides for high-performance lithium–sulfur batteries

2021 ◽  
Author(s):  
Tongkun Zhao ◽  
Junwu Chen ◽  
Menglei Yuan ◽  
Kaiqing Dai ◽  
Jingxian Zhang ◽  
...  
Keyword(s):  
Electronic Structure ◽  
High Performance ◽  
Catalytic Conversion ◽  
Chemical Adsorption ◽  
Local Charge ◽  
Lithium Sulfur Batteries ◽  
Lithium Sulfur

The optimization of electronic structure via the local charge rearrangement enables the remarkable adsorptive and catalytic capabilities for polysulfides towards the excellent performances of Li–S batteries.

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