Fe‐cation Doping in NiSe2 as an Effective Method of Electronic Structure Modulation towards High‐performance Lithium‐sulfur Batteries

ChemSusChem ◽  
2021 ◽  
Author(s):  
Liwei Shi ◽  
Hailiang Fang ◽  
Xiaoxia Yang ◽  
Jie Xue ◽  
Caifeng Li ◽  
...  
Keyword(s):  
Electronic Structure ◽  
High Performance ◽  
Cation Doping ◽  
Lithium Sulfur Batteries ◽  
Structure Modulation ◽  
Lithium Sulfur

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.

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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