Covalent grafting of p-phenylenediamine molecules onto a “bubble-like” carbon surface for high performance asymmetric supercapacitors

2020 ◽  
Vol 8 (4) ◽  
pp. 1767-1778 ◽  
Author(s):  
Chao Huangfu ◽  
Zheng Liu ◽  
Qihang Zhou ◽  
Lin Wang ◽  
Tong Wei ◽  
...  

A simple but efficient template carbonization method was prepared to covalently graft p-phenylenediamine molecule onto hollow “bubble-like” carbon spheres (PPD–BC) surface as the negative electrode for high performance asymmetric supercapacitors.

2015 ◽  
Vol 3 (31) ◽  
pp. 16150-16161 ◽  
Author(s):  
Dezhi Kong ◽  
Chuanwei Cheng ◽  
Ye Wang ◽  
Jen It Wong ◽  
Yaping Yang ◽  
...  

A novel asymmetric supercapacitor composed of Co3O4@C@Ni3S2 NNAs as the positive electrode and activated carbon (AC) as the negative electrode can deliver a high energy density and excellent long cycle stability.


2019 ◽  
Vol 43 (16) ◽  
pp. 6380-6387 ◽  
Author(s):  
Wenbin Wang ◽  
Yuying Yang ◽  
Xiaotong Wang ◽  
Yi Zhou ◽  
Xinyuan Zhang ◽  
...  

9,10-Phenanthrenequinone as a novel organic electrochemically active material for supercapacitors has been non-covalently functionalized onto N-doped hollow carbon spheres.


2016 ◽  
Vol 4 (42) ◽  
pp. 16576-16587 ◽  
Author(s):  
Guanglin Sun ◽  
Hangyu Xie ◽  
Jiabing Ran ◽  
Liya Ma ◽  
Xinyu Shen ◽  
...  

We report the design of a novel asymmetric supercapacitor (ASC) based on MnO/carbon aerogel (MnO/NCA) as the positive electrode and Fe2O3/carbon aerogel (Fe2O3/NCA) as the negative electrode.


2018 ◽  
Vol 6 (36) ◽  
pp. 17378-17388 ◽  
Author(s):  
Liaoyuan Xia ◽  
Xiangling Li ◽  
Xian Wu ◽  
Le Huang ◽  
Yu Liao ◽  
...  

A simple and scalable bottom-up strategy is developed for the rational design and preparation of a high-performance 3-D CNF/MWCNT/RGO/Fe3O4 negative electrode material for assembly of flexible asymmetric supercapacitors.


2018 ◽  
Vol 341 ◽  
pp. 102-111 ◽  
Author(s):  
Dezhi Chen ◽  
Shuai Zhou ◽  
Hongying Quan ◽  
Ren Zou ◽  
Weimin Gao ◽  
...  

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