Design and assembly of a high stability asymmetric supercapacitor based on pseudocapacitive zinc–nickel sulfide nanosheets and fast ion-transport carbon nanosheets

2021 ◽  
Author(s):  
Kanjun Sun ◽  
Ganggang Wei ◽  
Yanrong Zhu ◽  
Shengliang Qi ◽  
Shuzhen Cui ◽  
...  
Keyword(s):  
Electrochemical Performance ◽  
Ion Transport ◽  
High Stability ◽  
Nickel Sulfide ◽  
Negative Electrode ◽  
Asymmetric Supercapacitor ◽  
Carbon Nanosheets ◽  
Excellent Electrochemical Performance ◽  
Fast Ion ◽  
Zinc Nickel

A novel asymmetric supercapacitor is designed and assembled based on flower-like zinc–nickel sulfides (Zn–Ni–S) positive electrode and pitaya mesocarps-based carbon nanosheets (PMCN) negative electrode, which exhibits an excellent electrochemical performance.

In situ growth of monodisperse Fe3O4 nanoparticles on graphene as flexible paper for supercapacitor

2014 ◽  
Vol 2 (30) ◽  
pp. 12068-12074 ◽  
Author(s):  
Miaomiao Liu ◽  
Jing Sun
Keyword(s):  
Electrochemical Performance ◽  
Fe3o4 Nanoparticles ◽  
Negative Electrode ◽  
In Situ Growth ◽  
Excellent Electrochemical Performance

A well-organized flexible GS/Fe3O4 paper has been constructed, which exhibits excellent electrochemical performance as a self-supporting negative electrode.

Electrochemical performance of an asymmetric supercapacitor based on graphene and cobalt molybdate electrodes

RSC Advances ◽  
2015 ◽  
Vol 5 (21) ◽  
pp. 16319-16327 ◽  
Author(s):  
Ganesh Kumar Veerasubramani ◽  
Karthikeyan Krishnamoorthy ◽  
Sang Jae Kim
Keyword(s):  
Graphene Oxide ◽  
Electrochemical Performance ◽  
Reduced Graphene Oxide ◽  
Negative Electrode ◽  
Positive Electrode ◽  
Asymmetric Supercapacitor ◽  
Asymmetric Supercapacitors ◽  
Reduced Graphene ◽  
Cobalt Molybdate

In this article, we report the fabrication and electrochemical performance of asymmetric supercapacitors (ASCs) based on a reduced graphene oxide (rGO) negative electrode and a cobalt molybdate (CoMoO4) positive electrode.

A high-performance asymmetric supercapacitor based on vanadyl phosphate/carbon nanocomposites and polypyrrole-derived carbon nanowires

Nanoscale ◽  
2018 ◽  
Vol 10 (8) ◽  
pp. 3709-3719 ◽  
Author(s):  
Ningna Chen ◽  
Jinhua Zhou ◽  
Guoyin Zhu ◽  
Qi Kang ◽  
Hongmei Ji ◽  
...  
Keyword(s):  
Electrochemical Performance ◽  
High Performance ◽  
Asymmetric Supercapacitor ◽  
Vanadyl Phosphate ◽  
Carbon Nanocomposites ◽  
Excellent Electrochemical Performance ◽  
N Doping ◽  
C And N ◽  
Carbon Nanowires

A layered microstructure of VOPO4/C and N-doping of PCN ensure excellent electrochemical performance.

Rich sulfur doped porous carbon materials derived from ginkgo leaves for multiple electrochemical energy storage devices

2017 ◽  
Vol 5 (5) ◽  
pp. 2204-2214 ◽  
Author(s):  
Enchao Hao ◽  
Wei Liu ◽  
Shuang Liu ◽  
Yuan Zhang ◽  
Huanlei Wang ◽  
...  
Keyword(s):  
Energy Storage ◽  
Electrochemical Performance ◽  
Porous Carbon ◽  
Carbon Materials ◽  
Multilayered Structure ◽  
Electrochemical Energy Storage ◽  
Energy Storage Devices ◽  
Carbon Nanosheets ◽  
Storage Devices ◽  
Excellent Electrochemical Performance

Based on the unique multilayered structure of ginkgo leaves, interconnected carbon nanosheets with rich micro/meso pores have been fabricated, showing excellent electrochemical performance in multiple energy storage devices.

Excellent energy–power characteristics from a hybrid sodium ion capacitor based on identical carbon nanosheets in both electrodes

2016 ◽  
Vol 4 (14) ◽  
pp. 5149-5158 ◽  
Author(s):  
Huanlei Wang ◽  
David Mitlin ◽  
Jia Ding ◽  
Zhi Li ◽  
Kai Cui
Keyword(s):  
Electrochemical Performance ◽  
Low Cost ◽  
Sodium Ion ◽  
Carbon Nanosheets ◽  
Power Characteristics ◽  
Peanut Skin ◽  
Excellent Electrochemical Performance

Sodium ion capacitor device fabricated by using peanut skin derived carbon nanosheets that has excellent electrochemical performance and promise for both low cost and environmentally friendliness.

High electrochemical performance in asymmetric supercapacitors using MWCNT/nickel sulfide composite and graphene nanoplatelets as electrodes

2014 ◽  
Vol 2 (39) ◽  
pp. 16723-16730 ◽  
Author(s):  
Arvinder Singh ◽  
Alexander J. Roberts ◽  
Robert C. T. Slade ◽  
Amreesh Chandra
Keyword(s):  
Electrochemical Performance ◽  
Specific Capacitance ◽  
Current Density ◽  
High Performance ◽  
Nickel Sulfide ◽  
High Specific Capacitance ◽  
Graphene Nanoplatelets ◽  
Cyclic Stability ◽  
Asymmetric Supercapacitor ◽  
Asymmetric Supercapacitors

A high-performance asymmetric supercapacitor was fabricated using MWCNTs/NiS composite and GNPs as electrodes, exhibiting high specific capacitance of ∼181 F g−1 at 1 A g−1 current density and excellent cyclic stability with 92% retention after 1000 cycles at 2 A g−1 current density.

NiS nanosheets synthesized by one-step microwave for high-performance supercapacitor

2021 ◽  
Author(s):  
Jun Song ◽  
Lijun Du ◽  
Jingyi Wang ◽  
Huaiping Zhang ◽  
Yaodong Zhang ◽  
...  
Keyword(s):  
Activated Carbon ◽  
Energy Density ◽  
Electrochemical Performance ◽  
Power Density ◽  
Microwave Radiation ◽  
High Performance ◽  
Negative Electrode ◽  
Asymmetric Supercapacitor ◽  
Capacity Retention ◽  
One Step

The NiS nanosheets were fabricated using one-step microwave approach with the microwave radiation of 800 W for 1.5 min. Impressively, the NiS nanosheets revealed praiseworthy electrochemical performance, with a capacitance value of 1082.8 F ⋅ g[Formula: see text] at 1 A ⋅ g[Formula: see text] and 77.8% retention over 5000 cycles at 5 A ⋅ g[Formula: see text]. Moreover, an asymmetric supercapacitor was assembled with NiS as the positive electrode and activated carbon (AC) as the negative electrode. It shows 80.42% capacity retention after 8000 cycles and an energy density of 19.45 W ⋅ h ⋅ kg[Formula: see text] at a power density of 801.05 W ⋅ kg[Formula: see text].

Amorphous nickel sulfide nanoparticles anchored on N-doped graphene nanotubes with superior properties for high-performance supercapacitors and efficient oxygen evolution reaction

Nanoscale ◽  
2020 ◽  
Vol 12 (7) ◽  
pp. 4655-4666 ◽  
Author(s):  
Alan Meng ◽  
Xiangcheng Yuan ◽  
Tong Shen ◽  
Jian Zhao ◽  
Guanying Song ◽  
...  
Keyword(s):  
Electrochemical Performance ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
High Performance ◽  
Nickel Sulfide ◽  
Asymmetric Supercapacitors ◽  
Excellent Electrochemical Performance ◽  
Doped Graphene

Amorphous nickel sulfide nanoparticles electrodeposited on N-doped graphene nanotubes exhibit excellent electrochemical performance for asymmetric supercapacitors and the OER.

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