A high voltage cathode of Na2+2xFe2−x(SO4)3 intensively protected by nitrogen-doped graphene with improved electrochemical performance of sodium storage

2018 ◽  
Vol 6 (10) ◽  
pp. 4354-4364 ◽  
Author(s):  
Wei Wang ◽  
Xiaohao Liu ◽  
Qunjie Xu ◽  
Haimei Liu ◽  
Yong-Gang Wang ◽  
...  

A high voltage alluaudite sulfate Na2+2xFe2−x(SO4)3 composited with nitrogen-doped graphene and the sodium storage performance is remarkably improved.

2014 ◽  
Vol 2 (31) ◽  
pp. 12449-12458 ◽  
Author(s):  
Guohui Qin ◽  
Xiaoyuan Zhang ◽  
Chengyang Wang

N-doped graphene grafted hollow TiO2 nanostructures were fabricated and evaluated as a promising candidate for sodium storage.


2018 ◽  
Vol 30 (27) ◽  
pp. 1800658 ◽  
Author(s):  
Xin Xu ◽  
Ruisheng Zhao ◽  
Wei Ai ◽  
Bo Chen ◽  
Hongfang Du ◽  
...  

2019 ◽  
Vol 7 (3) ◽  
pp. 1083-1091 ◽  
Author(s):  
Lina Liu ◽  
Feng Yan ◽  
Kaiyue Li ◽  
Chunling Zhu ◽  
Ying Xie ◽  
...  

Ultrasmall FeNi3N particles with an exposed active (110) surface anchored on nitrogen-doped graphene as multifunctional electrocatalysts for both overall water splitting and Zn–air batteries exhibited excellent electrochemical performance.


2015 ◽  
Vol 3 (23) ◽  
pp. 12386-12395 ◽  
Author(s):  
R. Aswathy ◽  
T. Kesavan ◽  
K. T. Kumaran ◽  
P. Ragupathy

A new hybrid aqueous supercapacitor (HSC) has been constructed using electrospun octahedral LiNi0.5Mn1.5O4 as the cathode and nitrogen doped graphene as the anode. HSC exhibits remarkable capacity retention upon cycling due to the presence of (111) planes on the surface of facets offering good contact between the electrodes and electrolyte.


RSC Advances ◽  
2017 ◽  
Vol 7 (7) ◽  
pp. 4209-4215 ◽  
Author(s):  
Dehui Ji ◽  
Zhiwei Yang ◽  
Lingling Xiong ◽  
Honglin Luo ◽  
Guangyao Xiong ◽  
...  

The Si content in ternary nanohybrids consisting of Si nanoparticles with N-doped carbon (NC) shell wrapped by nitrogen (N)-doped graphene (NG) greatly affects their structure and electrochemical performance.


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