scholarly journals Hollow Mesoporous MnO2 Spheres as Sulfur Host Materials for High-Performance Lithium-Sulfur Batteries

2020 ◽  
pp. 3996-4004
Author(s):  
Yaofeng Ma ◽  
Keyword(s):  
High Performance ◽  
Host Materials ◽  
Lithium Sulfur Batteries ◽  
Sulfur Host ◽  
Lithium Sulfur

A graphene-like metallic cathode host for long-life and high-loading lithium–sulfur batteries

2016 ◽  
Vol 3 (2) ◽  
pp. 130-136 ◽  
Author(s):  
Quan Pang ◽  
Dipan Kundu ◽  
Linda F. Nazar
Keyword(s):  
High Performance ◽  
Electronic Conductivity ◽  
High Loading ◽  
Host Materials ◽  
High Electronic Conductivity ◽  
Lithium Sulfur Batteries ◽  
Sulfur Host ◽  
Long Life ◽  
Lithium Sulfur

Nanostructured sulfur host materials that embrace both high electronic conductivity and strong chemisorption towards polysulfides are central to enable high performance Li–S batteries.

Porous TiO2−x with oxygen deficiency as sulfur host for lithium–sulfur batteries

2021 ◽  
pp. 2143004
Author(s):  
Yuman Yang ◽  
Yi Zhang ◽  
Meng Yang ◽  
Xiangyu Zhao
Keyword(s):  
Oxygen Deficiency ◽  
Reversible Capacity ◽  
Polar Compounds ◽  
High Specific Surface Area ◽  
Chemical Adsorption ◽  
Sulfur Species ◽  
Host Materials ◽  
Lithium Sulfur Batteries ◽  
Sulfur Host ◽  
Lithium Sulfur

The dissolution and shuttle behavior of lithium polysulfides has been considered to be one of the serious problems restricting the development of lithium−sulfur (Li–S) batteries. Polar compounds are regarded as promising sulfur host materials due to their strong chemical adsorption to lithium polysulfides. Herein, polar TiO[Formula: see text] with porous structure is employed as the sulfur host, which has a high specific surface area and provides nanoconfined space for storage and adsorption of sulfur species. As a result, the as-prepared S@TiO[Formula: see text] cathode exhibits significantly enhanced reversible capacity, cycling stability, and reaction kinetics compared to those of the as-prepared S@TiO2 cathode.

scholarly journals Co-W Bimetallic Carbides as Sulfur Host for High-Performance Lithium–Sulfur Batteries

2021 ◽  
Author(s):  
Dongke Zhang ◽  
Ting Huang ◽  
Pengfei Zhao ◽  
Ze Zhang ◽  
Xingtao Qi ◽  
...  
Keyword(s):  
High Performance ◽  
Conductive Network ◽  
Rate Performance ◽  
Cycle Stability ◽  
Sulfur Cathode ◽  
Shuttle Effect ◽  
Lithium Sulfur Batteries ◽  
Sulfur Host ◽  
Lithium Sulfur ◽  
Excellent Stability

Abstract Due to the low conductivity of sulfur and the dissolution of polysulfides, the research and application of lithium-sulfur (Li-S) batteries have encountered certain resistance. Increasing conductivity and introducing polarity into the sulfur host can effectively overcome these long-standing problems. Herein, We first prepared Co3W3C@ C@ CNTs / S material and used it in the cathode of lithium-sulfur batteries, The existence of carboxylated CNTs can form a conductive network, accelerate the transmission of electrons and improve the rate performance, and polar Co3W3C can form a strong interaction with polysulfide intermediates, effectively inhibiting its shuttle effect, improving the utilization of sulfur cathode electrodes, and improving the capacity and cycle stability. The Co3W3C@C@CNTs / S electrode material has a capacity of 1,093 mA h g-1 at a 0.1 A g− 1 and 482 mA h g-1 at 5 A g− 1. Even after 500 cycles of 2 A g− 1, the capacity of each cycle is only reduced by 0.08%. The excellent stability of this material can provide a new idea for the future development of lithium-sulfur batteries.

Novel MoSe2/MoO2 heterostructure as an effective sulfur host for high-performance lithium/sulfur batteries

2020 ◽  
Vol 381 ◽  
pp. 122672 ◽  
Author(s):  
Qiuyan Hao ◽  
Guoliang Cui ◽  
Yongguang Zhang ◽  
Jingde Li ◽  
Zisheng Zhang
Keyword(s):  
High Performance ◽  
Lithium Sulfur Batteries ◽  
Sulfur Host ◽  
Lithium Sulfur

scholarly journals MoO2 nanoparticles embedded in N-doped hydrangea-like carbon as a sulfur host for high-performance lithium–sulfur batteries

RSC Advances ◽  
2020 ◽  
Vol 10 (34) ◽  
pp. 20173-20183
Author(s):  
Yasai Wang ◽  
Guilin Feng ◽  
Yang Wang ◽  
Zhenguo Wu ◽  
Yanxiao Chen ◽  
...  
Keyword(s):  
Energy Storage ◽  
Energy Density ◽  
High Performance ◽  
High Energy ◽  
High Energy Density ◽  
Energy Storage Devices ◽  
Storage Devices ◽  
Lithium Sulfur Batteries ◽  
Sulfur Host ◽  
Lithium Sulfur

Lithium–sulfur batteries are considered to be promising energy storage devices owing to their high energy density, relatively low price and abundant resources.

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