Waste-honeycomb-derived in situ N-doped Hierarchical porous carbon as sulfur host in lithium–sulfur battery

2022 ◽  
Author(s):  
Hong Li ◽  
Zirui Zhao ◽  
Yuyun Li ◽  
Mingwu Xiang ◽  
Junming Guo ◽  
...  
Keyword(s):  
Porous Carbon ◽  
Composite Cathode ◽  
High Specific Surface Area ◽  
Hierarchical Porous Carbon ◽  
Hierarchical Porous ◽  
Stable Performance ◽  
Simultaneous Activation ◽  
Sulfur Host ◽  
Sulfur Battery

Waste honeycomb derived porous carbon with a high specific surface area of 1683.6 m2 g−1 are prepared via a facile simultaneous activation/carbonization. The corresponding porous carbon/sulfur composite cathode exhibits a durable stable performance up to 500 cycles at 1 C.

Graphene oxide wrapped hierarchical porous carbon–sulfur composite cathode with enhanced cycling and rate performance for lithium sulfur batteries

RSC Advances ◽  
2015 ◽  
Vol 5 (8) ◽  
pp. 5516-5522 ◽  
Author(s):  
Shuangke Liu ◽  
Kai Xie ◽  
Yujie Li ◽  
Zhongxue Chen ◽  
Xiaobin Hong ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Porous Carbon ◽  
Composite Cathode ◽  
Rate Performance ◽  
Hierarchical Porous Carbon ◽  
Step Method ◽  
Hierarchical Porous ◽  
Lithium Sulfur Batteries ◽  
Sulfur Battery ◽  
Lithium Sulfur

A graphene oxide sheet wrapped hierarchical porous carbon–sulfur (HPC–S@GO) composite was designed by a two-step method to improve the lithium sulfur battery performance.

A bifunctional hierarchical porous carbon network integrated with an in situ formed ultrathin graphene shell for stable lithium–sulfur batteries

2017 ◽  
Vol 5 (26) ◽  
pp. 13674-13682 ◽  
Author(s):  
Wei Deng ◽  
Xufeng Zhou ◽  
Qile Fang ◽  
Zhaoping Liu
Keyword(s):  
Porous Carbon ◽  
Cyclic Stability ◽  
Hierarchical Porous Carbon ◽  
Hierarchical Porous ◽  
Lithium Sulfur Batteries ◽  
Sulfur Host ◽  
Carbon Network ◽  
Lithium Sulfur

A bifunctional sulfur host integrating graphene shell and hierarchical porous carbon network is fabricated to enhance conductivity of sulfur and block shuttle of sulfides simultaneously. The resultant cathode possesses high areal sulfur loading, excellent cyclic stability, and improved anti-self-discharge capability.

scholarly journals Facile fabrication of hierarchical porous carbon based on extract separated from coal with outstanding electrochemical performance

RSC Advances ◽  
2017 ◽  
Vol 7 (54) ◽  
pp. 33843-33850 ◽  
Author(s):  
Peng Chang ◽  
Zhihong Qin
Keyword(s):  
Electrochemical Performance ◽  
Porous Carbon ◽  
Low Cost ◽  
Koh Activation ◽  
Porous Carbons ◽  
Hierarchical Porous Carbon ◽  
Hierarchical Porous ◽  
Hierarchical Porous Carbons ◽  
Facile Fabrication

Herein, a novel kind of hierarchical porous carbons were directly synthesized from low-cost extracts of coal by coupling nano MgO template with in situ KOH activation strategy.

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