Supercritical fluid processing of N-doped graphene and its application in high energy symmetric supercapacitor

2018 ◽  
Vol 43 (8) ◽  
pp. 4044-4057 ◽  
Author(s):  
S. Suresh Balaji ◽  
M. Karnan ◽  
M. Sathish
Keyword(s):  
Supercritical Fluid ◽  
High Energy ◽  
Symmetric Supercapacitor ◽  
Doped Graphene ◽  
Supercritical Fluid Processing

Supercritical fluid processing of nitric acid treated nitrogen doped graphene with enhanced electrochemical supercapacitance

RSC Advances ◽  
2014 ◽  
Vol 4 (94) ◽  
pp. 52256-52262 ◽  
Author(s):  
S. Suresh Balaji ◽  
M. Sathish
Keyword(s):  
Nitric Acid ◽  
Specific Capacitance ◽  
Supercritical Fluid ◽  
Surface Wetting ◽  
Nitrogen Doped ◽  
Nitrogen Doped Graphene ◽  
Doped Graphene ◽  
Supercritical Fluid Processing

Supercritical fluid assisted synthesis of N-doped graphene with nitric acid showed a enhanced specific capacitance of 261 F g−1 at 0.5 A g−1 and 126% capacitance retention was observed after 1000 cycles at 5 A g−1 due to cycling induced surface wetting.

Sulfur vacancies in Co9S8-x/N-doped graphene enhancing electrochemical kinetics to high-performance lithium sulfur batteries

2021 ◽  
Author(s):  
Haojie Li ◽  
Yihua Song ◽  
Kai Xi ◽  
Wei Wang ◽  
Sheng Liu ◽  
...  
Keyword(s):  
Cathode Materials ◽  
High Performance ◽  
Catalytic Conversion ◽  
High Energy ◽  
Electrochemical Kinetics ◽  
Lithium Sulfur Batteries ◽  
Doped Graphene ◽  
Sulfur Battery ◽  
Areal Capacity ◽  
Lithium Sulfur

A sufficient areal capacity is necessary for achieving high-energy lithium sulfur battery, which requires high enough sulfur loading in cathode materials. Therefore, kinetically fast catalytic conversion of polysulfide intermediates is...

Vacancies-engineered MoO3 and Na+-preinserted MnO2 in-situ grown N-doped graphene nanotubes as electrode materials for high-performance asymmetric supercapacitor

2021 ◽  
Author(s):  
Jian Zhao ◽  
He Cheng ◽  
Huanyu Li ◽  
Yan-Jie Wang ◽  
Qingyan Jiang ◽  
...  
Keyword(s):  
High Performance ◽  
Electrode Materials ◽  
High Energy ◽  
Cooperative Effect ◽  
Electrochemical Energy Storage ◽  
Asymmetric Supercapacitor ◽  
Asymmetric Supercapacitors ◽  
Doped Graphene ◽  
Power Densities

Developing advanced negative and positive electrode materials for asymmetric supercapacitors (ASCs) as the electrochemical energy storage can enable the device to reach high energy/power densities resulting from the cooperative effect...

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