Expediting polysulfide catalytic conversion for lithium–sulfur batteries via in situ implanted ultrafine Fe3O4 nanocrystals in carbon nanospheres

2020 ◽  
Vol 8 (45) ◽  
pp. 24117-24127
Author(s):  
Zhe Su ◽  
Mingqi Chen ◽  
Yankai Pan ◽  
Yajing Liu ◽  
Hai Xu ◽  
...  
Keyword(s):  
Reaction Kinetics ◽  
Catalytic Conversion ◽  
Carbon Nanospheres ◽  
Practical Applications ◽  
Lithium Sulfur Batteries ◽  
Solid Liquid ◽  
Lithium Sulfur

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.

Capture and Catalytic Conversion of Polysulfides by In Situ Built TiO2‐MXene Heterostructures for Lithium–Sulfur Batteries

2019 ◽  
Vol 9 (19) ◽  
pp. 1900219 ◽  
Author(s):  
Long Jiao ◽  
Chen Zhang ◽  
Chuannan Geng ◽  
Shichao Wu ◽  
Huan Li ◽  
...  
Keyword(s):  
Catalytic Conversion ◽  
Lithium Sulfur Batteries ◽  
Lithium Sulfur

Long-life Li–S batteries based on enabling the immobilization and catalytic conversion of polysulfides

2019 ◽  
Vol 7 (38) ◽  
pp. 21747-21758 ◽  
Author(s):  
Yupeng Zhang ◽  
Rong Gu ◽  
Shuai Zheng ◽  
KeXuan Liao ◽  
Penghui Shi ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
High Efficiency ◽  
Catalytic Conversion ◽  
Carbon Nanospheres ◽  
One Dimensional ◽  
Lithium Sulfur Batteries ◽  
Long Life ◽  
Lithium Sulfur

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.

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.

In situ engineered ZnS–FeS heterostructures in N-doped carbon nanocages accelerating polysulfide redox kinetics for lithium sulfur batteries

2020 ◽  
Vol 8 (1) ◽  
pp. 433-442 ◽  
Author(s):  
Wenda Li ◽  
Zhijiang Gong ◽  
Xiujuan Yan ◽  
Dezhu Wang ◽  
Jing Liu ◽  
...  
Keyword(s):  
Charge Carrier ◽  
Reaction Kinetics ◽  
Interfacial Reaction ◽  
Carrier Transport ◽  
Charge Carrier Transport ◽  
Redox Kinetics ◽  
Lithium Sulfur Batteries ◽  
Lithium Sulfur ◽  
Coupling Components

Building heterostructures containing dissimilar coupling components with different bandgaps can promote interfacial reaction kinetics and accelerate charge carrier transport for Li–S batteries.

A heterogenized Ni-doped zeolitic imidazolate framework to guide efficient trapping and catalytic conversion of polysulfides for greatly improved lithium–sulfur batteries

2018 ◽  
Vol 6 (28) ◽  
pp. 13593-13598 ◽  
Author(s):  
Yuxiang Yang ◽  
Zhenhua Wang ◽  
Taizhi Jiang ◽  
Chen Dong ◽  
Zhu Mao ◽  
...  
Keyword(s):  
Reaction Kinetics ◽  
Redox Reaction ◽  
Catalytic Conversion ◽  
Chemical Adsorption ◽  
Zeolitic Imidazolate Framework ◽  
Lithium Sulfur Batteries ◽  
Lithium Sulfur

Ni-Doped ZIF-8 (Ni-ZIF-8) not only restrains the shuttling of LiPSs by chemical adsorption but also facilitates the redox 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...

In-situ covalent bonding of polysulfides with electrode binders in operando for lithium–sulfur batteries

2018 ◽  
Vol 402 ◽  
pp. 1-6 ◽  
Author(s):  
ChangAn Yang ◽  
QiaoKun Du ◽  
Zeheng Li ◽  
Min Ling ◽  
Xiangyun Song ◽  
...  
Keyword(s):  
Covalent Bonding ◽  
Lithium Sulfur Batteries ◽  
In Operando ◽  
Lithium Sulfur

Construction of a stable lithium sulfide membrane to greatly confine polysulfides for high performance lithium–sulfur batteries

2018 ◽  
Vol 6 (18) ◽  
pp. 8655-8661 ◽  
Author(s):  
Chao Wu ◽  
Chunxian Guo ◽  
JingGao Wu ◽  
Wei Ai ◽  
Ting Yu ◽  
...  
Keyword(s):  
Discharge Current ◽  
High Performance ◽  
Material Surface ◽  
Lithium Sulfur Battery ◽  
Galvanostatic Discharge ◽  
Lithium Sulfide ◽  
Lithium Sulfur Batteries ◽  
Sulfur Battery ◽  
Lithium Sulfur

A stable lithium sulfide membrane is constructedin situto wrap the mixed sulfur/C material surface of a lithium–sulfur battery (LSB) by delicately tuning the galvanostatic discharge current.

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