The synthesis and properties of PANI/(TOCNF-SMWCNT) supercapacitor electrode materials by in situ polymerization

2022 ◽  
pp. 1-10
Author(s):  
Boyang Zhou ◽  
Hairui Li ◽  
Zhifang Li ◽  
Shuai Ji ◽  
Yueyu Li ◽  
...  
Keyword(s):  
Electrode Materials ◽  
In Situ Polymerization ◽  
Supercapacitor Electrode ◽  
Supercapacitor Electrode Materials

A one-step, cost-effective green method to in situ fabricate Ni(OH)2 hexagonal platelets on Ni foam as binder-free supercapacitor electrode materials

2015 ◽  
Vol 3 (5) ◽  
pp. 1953-1960 ◽  
Author(s):  
Lingjie Li ◽  
Jing Xu ◽  
Jinglei Lei ◽  
Jie Zhang ◽  
Frank McLarnon ◽  
...  
Keyword(s):  
High Performance ◽  
Electrode Materials ◽  
Three Dimensional ◽  
Cost Effective ◽  
Ni Foam ◽  
Supercapacitor Electrode ◽  
One Step ◽  
Binder Free ◽  
Supercapacitor Electrode Materials

The Ni(OH)2 hexagonal platelets were in situ fabricated on Ni foam as a binder-free supercapacitor electrode material with high performance and excellent cycling stability by a one-step, cost-effective, green hydrothermal treatment of three-dimensional (3D) Ni foam in a 15 wt% H2O2 aqueous solution.

Supercapacitor Electrode Materials Based on Activated Carbon /Polyaniline Doped with Nickel Salt

2011 ◽  
Vol 197-198 ◽  
pp. 1053-1056
Author(s):  
Yan Hong Tian ◽  
Xue Jun Zhang ◽  
Yu Zhao
Keyword(s):  
Activated Carbon ◽  
Electrode Materials ◽  
In Situ Polymerization ◽  
Nickel Content ◽  
Reference Electrode ◽  
Nickel Salt ◽  
Supercapacitor Electrode ◽  
Discharge Performance ◽  
Supercapacitor Electrode Materials ◽  
Charge Discharge

Two types of supercapacitor electrode materials have been synthesized: AC/PANI, activated carbon composites polyaniline by in-situ polymerization of aniline on the surface of activated carbon, and Ni-AC/PANI, the AC/PANI composite dopes with nickel. The microstructure of composites has been examined by scanning electron microscope (SEM). Fourier transform infrared spectroscopy (FI-IR) has been used to determine the molecular structure and chemical bond of the composites. The nickel content has been measured by atomic absorption spectrometry (AAS). The electrochemical performance of the composite has been characterized by cyclic voltammery and galvanostatic charge-discharge in 6mol•L-1 KOH solution using Hg/HgO as reference electrode. Due to the doping of nickel salt, Ni-AC/PANI shows desired microstructure, good high-current charge-discharge performance and good electrochemical behavior with an capacitance of 535F•g-1, 38.2% higher than that of AC/PANI.

scholarly journals Nanoflower Ni(OH)2 grown in situ on Ni foam for high-performance supercapacitor electrode materials

2021 ◽  
Vol 5 (20) ◽  
pp. 5236-5246
Author(s):  
Xuerui Yi ◽  
Huapeng Sun ◽  
Neil Robertson ◽  
Caroline Kirk
Keyword(s):  
Specific Capacitance ◽  
High Performance ◽  
Electrode Materials ◽  
High Specific Capacitance ◽  
Ni Foam ◽  
Supercapacitor Electrode ◽  
Supercapacitor Electrode Materials

Nanoflower Ni(OH)2 shows exceptionally high specific capacitance.

Nanowired NiMoO4/NiSe2/MoSe2 prepared through in situ selenylation as high performance supercapacitor electrode

2021 ◽  
Author(s):  
Chengchao Wang ◽  
Datong Wu ◽  
Yong Qin ◽  
Yong Kong
Keyword(s):  
Specific Capacitance ◽  
High Performance ◽  
Electrode Materials ◽  
Supercapacitor Electrode ◽  
Supercapacitor Electrode Materials

After in situ selenylation, the hydrothermally synthesized NiMoO4 was partially converted to NiSe2 and MoSe2, and the obtained NiMoO4/NiSe2/MoSe2 nanowire was used as supercapacitor electrode materials. The specific capacitance of...

Cation exchanged MOF-derived nitrogen-doped porous carbons for CO2capture and supercapacitor electrode materials

2017 ◽  
Vol 5 (20) ◽  
pp. 9544-9552 ◽  
Author(s):  
Ying Pan ◽  
Yuxin Zhao ◽  
Shanjun Mu ◽  
Yu Wang ◽  
Chunming Jiang ◽  
...  
Keyword(s):  
Active Site ◽  
Electrode Materials ◽  
Porous Carbons ◽  
Supercapacitor Electrode ◽  
Nitrogen Doped ◽  
Hierarchical Porous ◽  
Hierarchical Porous Carbons ◽  
Supercapacitor Electrode Materials

N-Doped hierarchical porous carbons with enhanced microporosity were prepared byin situintroduction of active site K+into MOF precursors.

Solution Effect on Synthesis of Polyaniline/rGO Composite for High-Performance Supercapacitor

NANO ◽  
2017 ◽  
Vol 12 (07) ◽  
pp. 1750088 ◽  
Author(s):  
Yuxi Tao ◽  
Ziang Liu ◽  
Xue-Zhi Song ◽  
Ming Bao ◽  
Zhenquan Tan
Keyword(s):  
High Performance ◽  
Electrode Materials ◽  
In Situ Polymerization ◽  
Control Sample ◽  
Reduction Process ◽  
Electrochemical Performances ◽  
Supercapacitor Electrode ◽  
Modified Method ◽  
Chemical Microenvironment ◽  
Supercapacitor Electrode Materials

Polyaniline (PANI)/graphene composites have been widely investigated as supercapacitor electrode materials. However, the electrochemical performances of PANI/graphene in laboratory were much lower than the theoretical value and still far from the actual needs because the microstructure of the composite was not very uniform and contained defects such as cracks, voids and dislocation. In this paper, PANI/graphene composites were synthesized by a modified method that involved a continuous in situ polymerization-hydrothermal reduction process. The chemical microenvironment of aniline was modified with the introduction of isopropanol as an adjusting agent for PANI polymerization, resulting in the fine microstructures of PANI/graphene composites and the better effect of [Formula: see text]-doping. The specific capacitance of these PANI/rGO composites is enhanced from 537.9 to 729.4[Formula: see text]F g1 in comparison with the control sample synthesized in aqueous solution. The cycle stability is also improved from 45.1% to 68.1% capacitance retention after 1000 charge–discharge cycles at a current density of 10[Formula: see text]A g[Formula: see text]. These intriguing features make it a suitable method to improve the electrochemical performance of PANI/graphene composites for electrochemical supercapacitors.

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