Iron single-atom catalyst anchored on nitrogen-rich MOF-derived carbon nanocage to accelerate polysulfide redox conversion for lithium sulfur batteries

2020 ◽  
Vol 8 (6) ◽  
pp. 3421-3430 ◽  
Author(s):  
Cunguo Wang ◽  
Hewei Song ◽  
Congcong Yu ◽  
Zaka Ullah ◽  
Zhixing Guan ◽  
...  
Keyword(s):  
Single Atom ◽  
Rate Performance ◽  
Lithium Sulfur Batteries ◽  
Carbon Nanocage ◽  
Redox Conversion ◽  
Lithium Sulfur

Permanent adsorption-conversion of lithium polysulfides by iron single atom anchored porous nitrogen-rich carbon nanocages endows lithium sulfur batteries with long lasting rate performance.

Boosting Rate Performance of Li–S Batteries under High-Mass-Loading Sulfur based on Hierarchical NCNT@Co-CoP Nanowires Integrated Electrode

2021 ◽  
Author(s):  
Jianbo Li ◽  
Wenfu Xie ◽  
Shimeng Zhang ◽  
Simin Xu ◽  
Mingfei Shao
Keyword(s):  
Storage Systems ◽  
High Mass ◽  
Mass Loading ◽  
Rate Performance ◽  
Next Generation ◽  
Practical Application ◽  
Lithium Sulfur Batteries ◽  
Lithium Sulfur

Lithium−sulfur batteries (Li–S) has been gradual becoming one of the most promising next-generation storage systems, but its practical application is still limited by the extremely low S loading as well...

Single Atom‐Based Nanoarchitectured Electrodes for High‐Performance Lithium–Sulfur Batteries

2021 ◽  
Vol 8 (8) ◽  
pp. 2002159
Author(s):  
Jie Wang ◽  
Bing Ding ◽  
Xiangjun Lu ◽  
Hiroki Nara ◽  
Yoshiyuki Sugahara ◽  
...  
Keyword(s):  
High Performance ◽  
Single Atom ◽  
Lithium Sulfur Batteries ◽  
Lithium Sulfur

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.

Single-atom Catalytic Materials for Lean-electrolyte Ultrastable Lithium–Sulfur Batteries

Nano Letters ◽  
2020 ◽  
Vol 20 (7) ◽  
pp. 5522-5530 ◽  
Author(s):  
Chao Lu ◽  
Yan Chen ◽  
Yuan Yang ◽  
Xi Chen
Keyword(s):  
Single Atom ◽  
Catalytic Materials ◽  
Lithium Sulfur Batteries ◽  
Lithium Sulfur

A soluble single atom catalyst promotes lithium polysulfide conversion in lithium sulfur batteries

2019 ◽  
Vol 55 (80) ◽  
pp. 12056-12059 ◽  
Author(s):  
Zhenpu Shi ◽  
Lan Wang ◽  
Huifang Xu ◽  
Junqiang Wei ◽  
Hongyun Yue ◽  
...  
Keyword(s):  
Single Atom ◽  
Lithium Polysulfide ◽  
Lithium Sulfur Batteries ◽  
Lithium Sulfur

CoPcCl catalyzed the Li2S decomposition and enhanced the sulfur utilization remarkably.

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