Vertically oriented few-layer graphene-nanocup hybrid structured electrodes for high-performance supercapacitors

2015 ◽  
Vol 3 (23) ◽  
pp. 12396-12403 ◽  
Author(s):  
Jun Lei Qi ◽  
Xu Wang ◽  
Jing Huang Lin ◽  
Fu Zhang ◽  
Ji Cai Feng ◽  
...  

A 3D VFG-nanocup hybrid structured electrode shows great promise for future utilization in high-performance supercapacitors.

2018 ◽  
Vol 10 ◽  
pp. 118-125 ◽  
Author(s):  
Housseinou Ba ◽  
Wei Wang ◽  
Giulia Tuci ◽  
Sergey N. Pronkin ◽  
Caroline Weinberg ◽  
...  

2015 ◽  
Vol 3 (14) ◽  
pp. 7591-7599 ◽  
Author(s):  
Guoxing Zhu ◽  
Chunyan Xi ◽  
Yuanjun Liu ◽  
Jun Zhu ◽  
Xiaoping Shen

A CN–RGO composite with excellent capacitive performance was prepared through a facile and rapid two-step strategy.


2020 ◽  
Vol 56 (77) ◽  
pp. 11422-11425
Author(s):  
Lei Liu ◽  
Jinmeng Sun ◽  
Zhuzhu Du ◽  
Ke Wang ◽  
Yuhang Liu ◽  
...  

A low-temperature, molten salt strategy has been developed for synthesizing N and S co-doped few-layer graphene for high-performance sodium storage.


Crystals ◽  
2019 ◽  
Vol 9 (8) ◽  
pp. 377 ◽  
Author(s):  
Gabriela Tubon Usca ◽  
Cristian Vacacela Gomez ◽  
Marco Guevara ◽  
Talia Tene ◽  
Jorge Hernandez ◽  
...  

A novel method is presented to prepare few-layer graphene (FLG) in N-methyl-2-pyrrolidinone (NMP) by using a simple, low-cost and energy-effective shear exfoliation assisted by zeolite and using a cappuccino mixer to produce shear. We propose that the exfoliation of natural graphite flakes can be achieved using inelastic collisions between graphite flakes and zeolite particles in a dynamic colloidal fluid. To confirm the exfoliation of FLG, spectroscopy and morphological studies are carried out using Raman spectroscopy, scanning electron microscopy (SEM) and transmission electron microscopy (TEM). Additionally, the obtained graphene shows a linear flow of current and low resistance. The proposed method shows great promise for the industrial-scale synthesis of high-quality graphene with potential applications in future graphene-based devices, and furthermore, this method can be extended to exfoliate inorganic layered materials such as BN and MoS2.


2015 ◽  
Vol 26 (23) ◽  
pp. 235703 ◽  
Author(s):  
Buddha Deka Boruah ◽  
Darim B Ferry ◽  
Anwesha Mukherjee ◽  
Abha Misra

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