Hollow Molybdate Microspheres as Catalytic Hosts for Enhancing the Electrochemical Performance of Sulfur Cathode under High Sulfur Loading and Lean Electrolyte

2021 ◽  
pp. 2010693
Author(s):  
Lu Wang ◽  
Guo‐Ran Li ◽  
Sheng Liu ◽  
Xue‐Ping Gao
Keyword(s):  
Electrochemical Performance ◽  
Sulfur Cathode ◽  
High Sulfur Loading

Discarded cigarette filter-derived hierarchically porous carbon@graphene composites for lithium–sulfur batteries

2019 ◽  
Vol 7 (8) ◽  
pp. 3558-3562 ◽  
Author(s):  
Hongbin Xu ◽  
Yang Liu ◽  
Qianyun Bai ◽  
Renbing Wu
Keyword(s):  
Electrochemical Performance ◽  
Porous Carbon ◽  
Mesoporous Carbon ◽  
Cigarette Filter ◽  
Hierarchically Porous ◽  
Excellent Electrochemical Performance ◽  
Lithium Sulfur Batteries ◽  
Lithium Sulfur ◽  
High Sulfur Loading

Trash to treasure: discarded cigarette filters have been utilized to fabricate hierarchical macro–micro–mesoporous carbon@graphene composites, which enable high sulfur loading and confine the dissolution of lithium polysulfides, and thus exhibit an excellent electrochemical performance in Li–S batteries.

Reduction of graphene oxide gel with carbon nanotubes, sulfur cathode material preparation and electrochemical performance

RSC Advances ◽  
2016 ◽  
Vol 6 (45) ◽  
pp. 38943-38949 ◽  
Author(s):  
Jianrong Xiao ◽  
Hongzhe Wang ◽  
Yongxuan Hou ◽  
Yafang Guo
Keyword(s):  
Carbon Nanotubes ◽  
Graphene Oxide ◽  
Electrochemical Performance ◽  
Cathode Material ◽  
Reduction Method ◽  
Sulfur Cathode ◽  
Material Preparation ◽  
Hydrothermal Reduction

Reduction of graphene oxide with different reduction degrees was carried out using a hydrothermal reduction method at 130–190 °C.

Gel based sulfur cathodes with a high sulfur content and large mass loading for high-performance lithium–sulfur batteries

2017 ◽  
Vol 5 (4) ◽  
pp. 1650-1657 ◽  
Author(s):  
Shiqi Li ◽  
Tong Mou ◽  
Guofeng Ren ◽  
Juliusz Warzywoda ◽  
Zidong Wei ◽  
...  
Keyword(s):  
Sulfur Content ◽  
High Performance ◽  
Large Mass ◽  
Mass Loading ◽  
Sulfur Cathode ◽  
High Sulfur Content ◽  
Lithium Sulfur Batteries ◽  
Sulfur Cathodes ◽  
Lithium Sulfur ◽  
High Sulfur Loading

A bacterial cellulose based carbon nanoribbon aerogel was employed for a gel-based sulfur cathode, simultaneously achieving both a high sulfur content (90%) and a high sulfur loading (6.4 mg cm−2) with a large capacity of 943 mA h g−1or 5.9 mA h cm−2.

A lithium–sulfur cathode with high sulfur loading and high capacity per area: a binder-free carbon fiber cloth–sulfur material

2014 ◽  
Vol 50 (87) ◽  
pp. 13231-13234 ◽  
Author(s):  
Lixiao Miao ◽  
Weikun Wang ◽  
Keguo Yuan ◽  
Yusheng Yang ◽  
Anbang Wang
Keyword(s):  
High Capacity ◽  
Sulfur Cathode ◽  
Improve Performance ◽  
Simple Method ◽  
Carbon Fiber Cloth ◽  
Binder Free ◽  
Polysulfide Ions ◽  
Lithium Sulfur ◽  
High Sulfur Loading

A high capacity per area (>7 mA h cm−2) sulfur cathode with high sulfur loading (6.7 mg cm−2) was fabricated by a simple method. An ingenuity method is adopted which can improve performance of Li–S battery by forming in-situ polysulfide ions.

Improving the electrochemical performance of a lithium–sulfur battery with a conductive polymer-coated sulfur cathode

RSC Advances ◽  
2015 ◽  
Vol 5 (55) ◽  
pp. 44160-44164 ◽  
Author(s):  
Yanrong Li ◽  
Lixia Yuan ◽  
Zhen Li ◽  
Yizi Qi ◽  
Chao Wu ◽  
...  
Keyword(s):  
Electrochemical Performance ◽  
Conductive Polymer ◽  
Significant Enhancement ◽  
Sulfur Cathode ◽  
Capacity Retention ◽  
Lithium Sulfur Battery ◽  
Sulfur Battery ◽  
Sulfur Electrode ◽  
Lithium Sulfur

A pristine sulfur electrode with simple PEDOT:PSS coating achieves significant enhancement in both sulfur utilization and capacity retention.

Hollow polyaniline sphere@sulfur composites for prolonged cycling stability of lithium–sulfur batteries

2014 ◽  
Vol 2 (27) ◽  
pp. 10350-10354 ◽  
Author(s):  
Guoqiang Ma ◽  
Zhaoyin Wen ◽  
Jun Jin ◽  
Yan Lu ◽  
Xiangwei Wu ◽  
...  
Keyword(s):  
Electrochemical Performance ◽  
Volume Expansion ◽  
Cycling Stability ◽  
Sulfur Cathode ◽  
Shuttle Effect ◽  
Excellent Electrochemical Performance ◽  
Lithium Sulfur Batteries ◽  
Lithium Sulfur

Sulfur cathode with excellent electrochemical performance based on hollow PANI spheres, which can suppress the shuttle effect and buffer the volume expansion.

scholarly journals A nickel-foam@carbon-shell with a pie-like architecture as an efficient polysulfide trap for high-energy Li–S batteries

2017 ◽  
Vol 5 (29) ◽  
pp. 15002-15007 ◽  
Author(s):  
Liu Luo ◽  
Sheng-Heng Chung ◽  
Chi-Hao Chang ◽  
Arumugam Manthiram
Keyword(s):  
Electrochemical Performance ◽  
Nickel Foam ◽  
High Energy ◽  
Carbon Shell ◽  
Lithium Sulfur ◽  
High Sulfur Loading

A novel nickel-foam@carbon-shell electrode with a high sulfur loading endows the lithium–sulfur cells with improved electrochemical performance.

Oxidized multiwall carbon nanotube modified separator for high performance lithium–sulfur batteries with high sulfur loading

RSC Advances ◽  
2016 ◽  
Vol 6 (92) ◽  
pp. 89972-89978 ◽  
Author(s):  
Xing Cheng ◽  
Weikun Wang ◽  
Anbang Wang ◽  
Keguo Yuan ◽  
Zhaoqing Jin ◽  
...  
Keyword(s):  
Carbon Nanotube ◽  
Electrochemical Performance ◽  
High Performance ◽  
Multiwall Carbon Nanotube ◽  
Lithium Sulfur Batteries ◽  
Sulfur Battery ◽  
Multiwall Carbon ◽  
Lithium Sulfur ◽  
High Sulfur Loading ◽  
Modified Separator

An oxidized multiwall carbon nanotube (o-MWCNT) coating (0.4 mg cm−2) for improving the electrochemical performance of lithium–sulfur battery with sulfur loading of 5.0 mg cm−2 ​has been presented.

Two-dimensional materials towards separator functionalization in advanced lithium-sulfur batteries

Nanoscale ◽  
2021 ◽  
Author(s):  
Jiadong Tang ◽  
Qing Zhao ◽  
Fenglei Li ◽  
Zhendong Hao ◽  
Xiaolong XU ◽  
...  
Keyword(s):  
Electrochemical Performance ◽  
Two Dimensional ◽  
Sulfur Cathode ◽  
Lithium Anode ◽  
Two Dimensional Materials ◽  
Lithium Sulfur Batteries ◽  
Key Issues ◽  
Lithium Sulfur

Functional separators have played important roles in improving the electrochemical performance of lithium-sulfur batteries by addressing the key issues of both sulfur cathode and lithium anode. Compared with other materials...

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