Accelerated Redox Conversion by CoMoS3/CoS Synergistic Interactions for High-Performance Lithium Sulfur Batteries

2022 ◽  
pp. 116025
Author(s):  
Lijie Yu ◽  
Yuanduo Qu ◽  
Ronxing Dang ◽  
Zongkai Ma ◽  
Lianfeng Duan ◽  
...  
Keyword(s):  
High Performance ◽  
Synergistic Interactions ◽  
Lithium Sulfur Batteries ◽  
Redox Conversion ◽  
Lithium Sulfur

Dipolar and catalytic effects of an Fe3O4 based nitrogen-doped hollow carbon sphere framework for high performance lithium sulfur batteries

2021 ◽  
Author(s):  
Shungui Deng ◽  
Qihua Li ◽  
Yanhua Chen ◽  
Chao Wang ◽  
Hongbin Zhao ◽  
...  
Keyword(s):  
High Performance ◽  
High Catalytic Activity ◽  
Carbon Sphere ◽  
Hollow Carbon Sphere ◽  
Lithium Sulfur Batteries ◽  
Sulfur Host ◽  
Hollow Carbon ◽  
Catalytic Effects ◽  
Redox Conversion ◽  
Lithium Sulfur

Well-designed hollow carbon sphere with embedded Fe3O4 nanoparticles is fabricated as sulfur host for Li–S batteries. The high catalytic activity of Fe3O4 can accelerate the redox conversion of polysulfide, facilitating the reaction kinetics.

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...

Three-in-one cathode host based on Nb3O8/graphene superlattice heterostructures for high-performance Li–S batteries

2021 ◽  
Author(s):  
Chenhui WANG ◽  
Nobuyuki Sakai ◽  
Yasuo Ebina ◽  
Takayuki KIKUCHI ◽  
Monika Snowdon ◽  
...  
Keyword(s):  
Energy Storage ◽  
High Performance ◽  
Next Generation ◽  
Shuttle Effect ◽  
Lithium Sulfur Batteries ◽  
Graphene Superlattice ◽  
Lithium Sulfur

Lithium-sulfur batteries have high promise for application in next-generation energy storage. However, further advances have been hindered by various intractable challenges, particularly three notorious problems: the “shuttle effect”, sluggish kinetics...

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