Encapsulating sulfur into highly graphitized hollow carbon spheres as high performance cathode for lithium–sulfur batteries

RSC Advances ◽  
2016 ◽  
Vol 6 (100) ◽  
pp. 98035-98041 ◽  
Author(s):  
Shuangke Liu ◽  
Xiaobin Hong ◽  
Yujie Li ◽  
Jing Xu ◽  
Chunman Zheng ◽  
...  
Keyword(s):  
High Performance ◽  
High Capacity ◽  
Carbon Sphere ◽  
Carbon Spheres ◽  
Capacity Retention ◽  
High Discharge ◽  
High Discharge Capacity ◽  
Lithium Sulfur Batteries ◽  
Hollow Carbon ◽  
Hollow Carbon Spheres

Encapsulating sulfur into a highly graphitized hollow carbon sphere (GHCS) is proposed as sulfur cathode, the S@GHCS delivers a high discharge capacity of ∼800 mA h g−1at 4C rate and high capacity retention of 93.7% after 240 cycles.

A 3D nanostructure of graphene interconnected with hollow carbon spheres for high performance lithium–sulfur batteries

2015 ◽  
Vol 3 (21) ◽  
pp. 11395-11402 ◽  
Author(s):  
Shuangke Liu ◽  
Kai Xie ◽  
Zhongxue Chen ◽  
Yujie Li ◽  
Xiaobin Hong ◽  
...  
Keyword(s):  
Self Assembly ◽  
High Performance ◽  
High Rate ◽  
Carbon Spheres ◽  
Sulfur Cathode ◽  
Assembly Method ◽  
Lithium Sulfur Batteries ◽  
Hollow Carbon ◽  
High Rate Performance ◽  
Hollow Carbon Spheres

A novel 3D rGO–HCS nanostructure was designed via a hydrothermal self-assembly method. When used as a sulfur cathode, it delivers a low capacity-decay rate of 0.052% per cycle after 400 cycles and shows a high rate performance.

MoS2 nanosheets grown on hollow carbon spheres as a strong polysulfide anchor for high performance lithium sulfur batteries

Nanoscale ◽  
2020 ◽  
Vol 12 (46) ◽  
pp. 23636-23644
Author(s):  
Miaoran Li ◽  
Huiyuan Peng ◽  
Yang Pei ◽  
Fang Wang ◽  
Ying Zhu ◽  
...  
Keyword(s):  
Electrochemical Properties ◽  
High Performance ◽  
Carbon Spheres ◽  
Mos2 Nanosheets ◽  
Adsorption Ability ◽  
Strong Adsorption ◽  
Lithium Sulfur Batteries ◽  
Hollow Carbon ◽  
Hollow Carbon Spheres ◽  
Lithium Sulfur

The MoS2 nanosheets grown at the surface of hollow carbon spheres with uniform morphology exhibit excellent electrochemical properties and strong adsorption ability on lithium polysulfides.

Entrapping polysulfides by using ultrathin hollow carbon sphere-functionalized separators in high-rate lithium-sulfur batteries

2018 ◽  
Vol 6 (34) ◽  
pp. 16610-16616 ◽  
Author(s):  
Jianjun Song ◽  
Chaoyue Zhang ◽  
Xin Guo ◽  
Jinqiang Zhang ◽  
Linqu Luo ◽  
...  
Keyword(s):  
High Rate ◽  
Carbon Sphere ◽  
Carbon Spheres ◽  
Hollow Carbon Sphere ◽  
Lithium Sulfur Batteries ◽  
Overall Performance ◽  
Hollow Carbon ◽  
Hollow Carbon Spheres ◽  
Lithium Sulfur

Novel ultrathin hollow carbon spheres with a nonporous shell are employed as polysulfide reservoirs to improve the overall performance of Li-S batteries.

Trapping sulfur in hierarchically porous, hollow indented carbon spheres: a high-performance cathode for lithium–sulfur batteries

2016 ◽  
Vol 4 (24) ◽  
pp. 9526-9535 ◽  
Author(s):  
Yijun Zhong ◽  
Shaofeng Wang ◽  
Yujing Sha ◽  
Meilin Liu ◽  
Rui Cai ◽  
...  
Keyword(s):  
Cathode Materials ◽  
High Performance ◽  
Carbon Spheres ◽  
Hierarchically Porous ◽  
Lithium Sulfur Batteries ◽  
Void Structure ◽  
Hollow Carbon ◽  
Hollow Carbon Spheres ◽  
Lithium Sulfur

Hierarchically porous hollow carbon spheres with an indented void structure have been designed as hosts for high-performance cathode materials for lithium–sulfur batteries.

Facile synthesis of Ti4O7 on hollow carbon spheres with enhanced polysulfide binding for high-performance lithium–sulfur batteries

2019 ◽  
Vol 7 (17) ◽  
pp. 10494-10504 ◽  
Author(s):  
Fang Wang ◽  
Xian Ding ◽  
Ruyue Shi ◽  
Miaoran Li ◽  
Yimin Lei ◽  
...  
Keyword(s):  
High Performance ◽  
Reversible Capacity ◽  
Reduction Reaction ◽  
Carbon Spheres ◽  
Facile Synthesis ◽  
Lithium Sulfur Batteries ◽  
Hollow Carbon ◽  
Hollow Carbon Spheres ◽  
Lithium Sulfur ◽  
Carbothermal Reduction Reaction

Ti4O7 nanoparticles grown on hollow carbon spheres through the carbothermal reduction reaction exhibit high sulfur loading, superior reversible capacity and favorable cycling stability.

scholarly journals A 3D Hybrid of Chemically Coupled Nickel Sulfide and Hollow Carbon Spheres for High Performance Lithium-Sulfur Batteries

2017 ◽  
Vol 27 (33) ◽  
pp. 1702524 ◽  
Author(s):  
Chao Ye ◽  
Lei Zhang ◽  
Chunxian Guo ◽  
Dongdong Li ◽  
Anthony Vasileff ◽  
...  
Keyword(s):  
High Performance ◽  
Nickel Sulfide ◽  
Carbon Spheres ◽  
Lithium Sulfur Batteries ◽  
Hollow Carbon ◽  
Hollow Carbon Spheres ◽  
Lithium Sulfur

Cobalt nitride nanoparticle coated hollow carbon spheres with nitrogen vacancies as an electrocatalyst for lithium–sulfur batteries

2020 ◽  
Vol 8 (29) ◽  
pp. 14498-14505 ◽  
Author(s):  
Hao Wu ◽  
Hao Jiang ◽  
Yongqiang Yang ◽  
Chenyi Hou ◽  
Haitao Zhao ◽  
...  
Keyword(s):  
High Performance ◽  
Electrode Kinetics ◽  
Carbon Spheres ◽  
Lithium Sulfur Batteries ◽  
Hollow Carbon ◽  
Hollow Carbon Spheres ◽  
Lithium Sulfur ◽  
Nitrogen Vacancies

Co5.47Nx with nitrogen vacancies exhibits high-performance, facilitates Li+ diffusion and improves electrode kinetics in Li–S batteries.

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