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

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...

Ionically cross-linked PEDOT:PSS as a multi-functional conductive binder for high-performance lithium–sulfur batteries

2018 ◽  
Vol 2 (7) ◽  
pp. 1574-1581 ◽  
Author(s):  
Longlong Yan ◽  
Xiguang Gao ◽  
Joseph Palathinkal Thomas ◽  
Jenner Ngai ◽  
Haig Altounian ◽  
...  
Keyword(s):  
High Performance ◽  
Conductive Polymer ◽  
Cycling Stability ◽  
Battery Capacity ◽  
Lithium Sulfur Batteries ◽  
Lithium Sulfur

Mg2+ cross-linked conductive polymer PEDOT:PSS is used as a cathode binder to improve the Li–S battery capacity and cycling stability.

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.

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

Heteroatom dopings and hierarchical pores of graphene for synergistic improvement of lithium–sulfur battery performance

2018 ◽  
Vol 5 (5) ◽  
pp. 1053-1061 ◽  
Author(s):  
Jiahui Li ◽  
Caining Xue ◽  
Baojuan Xi ◽  
Hongzhi Mao ◽  
Yitai Qian ◽  
...  
Keyword(s):  
Synergistic Effect ◽  
High Performance ◽  
Rate Capability ◽  
Carbon Matrix ◽  
Cycling Stability ◽  
Lithium Sulfur Battery ◽  
Hierarchical Pores ◽  
Lithium Sulfur Batteries ◽  
Sulfur Battery ◽  
Lithium Sulfur

Lithium–sulfur batteries: Both the cycling stability and rate capability are adequately enhanced due to the synergistic effect of heteroatom dopings and hierarchical pores of carbon matrix, guiding the design of advanced scaffolds towards high-performance lithium–sulfur batteries.

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...

scholarly journals In situ template synthesis of hierarchical porous carbon used for high performance lithium–sulfur batteries

RSC Advances ◽  
2018 ◽  
Vol 8 (9) ◽  
pp. 4503-4513 ◽  
Author(s):  
Lizhen Long ◽  
Xunyuan Jiang ◽  
Jun Liu ◽  
Dongmei Han ◽  
Min Xiao ◽  
...  
Keyword(s):  
Template Synthesis ◽  
Porous Carbon ◽  
High Performance ◽  
Cycling Stability ◽  
Hierarchical Porous Carbon ◽  
Hierarchical Porous ◽  
Lithium Sulfur Batteries ◽  
Excellent Cycling Stability ◽  
Lithium Sulfur

In situ template synthesis of HPCs used for lithium–sulfur batteries, which exhibits excellent cycling stability and superior rate cycling.

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