Hollow NiCo2S4 nanotube arrays grown on carbon textile as a self-supported electrode for asymmetric supercapacitors

RSC Advances ◽  
2016 ◽  
Vol 6 (12) ◽  
pp. 9950-9957 ◽  
Author(s):  
Liang Hao ◽  
Laifa Shen ◽  
Jie Wang ◽  
Yunling Xu ◽  
Xiaogang Zhang
Keyword(s):  
Energy Density ◽  
Power Density ◽  
High Power ◽  
High Energy ◽  
High Energy Density ◽  
Nanotube Arrays ◽  
Asymmetric Supercapacitor ◽  
High Power Density ◽  
Asymmetric Supercapacitors

We developed an asymmetric supercapacitor using NiCo2S4 nanotube arrays grown on carbon textile, achieving a high energy density (∼40.1 W h kg−1 at 451 W kg−1), a high power density (∼4725 W kg−1 at 21 W h kg−1) and excellent cyclability.

Advanced asymmetric supercapacitors based on CNT@Ni(OH)2 core–shell composites and 3D graphene networks

2015 ◽  
Vol 3 (38) ◽  
pp. 19545-19555 ◽  
Author(s):  
Huan Yi ◽  
Huanwen Wang ◽  
Yuting Jing ◽  
Tianquan Peng ◽  
Yiran Wang ◽  
...  
Keyword(s):  
Energy Density ◽  
Power Density ◽  
High Power ◽  
Nickel Hydroxide ◽  
High Energy ◽  
High Energy Density ◽  
Core Shell ◽  
High Power Density ◽  
Asymmetric Supercapacitors ◽  
3D Graphene

Asymmetric supercapacitors with CNT@nickel hydroxide nanosheet composites and 3-D graphene networks demonstrated a high energy density (∼44.0 W h kg−1) and high power density (∼16 kW kg−1) in aqueous KOH electrolyte.

Fabrication of hollow nanorod electrodes based on RuO2//Fe2O3 for an asymmetric supercapacitor

2018 ◽  
Vol 47 (23) ◽  
pp. 7747-7753 ◽  
Author(s):  
Qiufan Wang ◽  
Xiao Liang ◽  
Yun Ma ◽  
Daohong Zhang
Keyword(s):  
Energy Density ◽  
Power Density ◽  
High Power ◽  
Negative Electrode ◽  
High Energy ◽  
Positive Electrode ◽  
High Energy Density ◽  
Asymmetric Supercapacitor ◽  
High Power Density ◽  
High Capacitance

A novel type of asymmetric supercapacitor was fabricated by assembling a RuO2 positive electrode and a Fe2O3 negative electrode. Full cells are constructed and show a high capacitance of 4.9 F cm−3, a high energy density of 1.5 mW h cm−3 and a high power density of 9.1 mW cm−3.

Construction of mesoporous Cu-doped Co9S8 rectangular nanotube arrays for high energy density all-solid-state asymmetric supercapacitors

2019 ◽  
Vol 7 (10) ◽  
pp. 5333-5343 ◽  
Author(s):  
Wen Lu ◽  
Ze Yuan ◽  
Chunyang Xu ◽  
Jiqiang Ning ◽  
Yijun Zhong ◽  
...  
Keyword(s):  
Solid State ◽  
Energy Density ◽  
Power Density ◽  
High Energy ◽  
High Energy Density ◽  
Nanotube Arrays ◽  
Asymmetric Supercapacitors

A self-templating strategy was used to prepare novel mesoporous Cu-doped Co9S8 rectangular nanotube arrays (Cu-Co9S8 NTAs) as an advanced electrode for all-solid-state asymmetric supercapacitors, which deliver a high energy density of 71.93 W h kg−1 at a power density of 750 W kg−1.

Polystyrene sphere-mediated ultrathin graphene sheet-assembled frameworks for high-power density Li–O2 batteries

2015 ◽  
Vol 51 (67) ◽  
pp. 13233-13236 ◽  
Author(s):  
Chang Yu ◽  
Changtai Zhao ◽  
Shaohong Liu ◽  
Xiaoming Fan ◽  
Juan Yang ◽  
...  
Keyword(s):  
Energy Density ◽  
Power Density ◽  
Graphene Sheet ◽  
High Power ◽  
High Energy ◽  
High Energy Density ◽  
High Power Density ◽  
Polystyrene Sphere

Polystyrene sphere-mediated ultrathin graphene sheet-assembled aerogels were configured, exhibiting high energy density and power density for Li–O2 batteries.

Efficient preparation of biomass-based mesoporous carbons for supercapacitors with both high energy density and high power density

2013 ◽  
Vol 240 ◽  
pp. 109-113 ◽  
Author(s):  
Xiaojun He ◽  
Pinghua Ling ◽  
Jieshan Qiu ◽  
Moxin Yu ◽  
Xiaoyong Zhang ◽  
...  
Keyword(s):  
Energy Density ◽  
Power Density ◽  
High Power ◽  
High Energy ◽  
High Energy Density ◽  
High Power Density ◽  
Mesoporous Carbons

scholarly journals Blow-spun N-doped carbon fiber based high performance flexible lithium ion capacitors

RSC Advances ◽  
2020 ◽  
Vol 10 (17) ◽  
pp. 9833-9839
Author(s):  
Changzhen Zhan ◽  
Jianan Song ◽  
Xiaolong Ren ◽  
Yang Shen ◽  
Hui Wu ◽  
...  
Keyword(s):  
Carbon Fiber ◽  
Energy Density ◽  
Power Density ◽  
High Power ◽  
High Performance ◽  
Lithium Ion ◽  
High Energy ◽  
High Energy Density ◽  
High Power Density ◽  
Hybrid Supercapacitors

Constructing flexible hybrid supercapacitors is a feasible way to achieve devices with high energy density, high power density and flexibility at the same time.

α MnMoO4/graphene hybrid composite: high energy density supercapacitor electrode material

2014 ◽  
Vol 43 (28) ◽  
pp. 11067-11076 ◽  
Author(s):  
Debasis Ghosh ◽  
Soumen Giri ◽  
Md. Moniruzzaman ◽  
Tanya Basu ◽  
Manas Mandal ◽  
...  
Keyword(s):  
Energy Density ◽  
Power Density ◽  
High Power ◽  
Electrode Material ◽  
Hybrid Composite ◽  
High Energy ◽  
High Energy Density ◽  
High Power Density ◽  
Supercapacitor Electrode

A hydrothermal procedure was employed to synthesize hexahedron shaped MnMoO4 wrapped with graphene exhibiting high energy density and high power density.

Facile synthesis of 3D hierarchical N-doped graphene nanosheet/cobalt encapsulated carbon nanotubes for high energy density asymmetric supercapacitors

2016 ◽  
Vol 4 (24) ◽  
pp. 9555-9565 ◽  
Author(s):  
Jayaraman Balamurugan ◽  
Tran Duy Thanh ◽  
Nam Hoon Kim ◽  
Joong Hee Lee
Keyword(s):  
Carbon Nanotubes ◽  
Energy Density ◽  
High Power ◽  
High Energy ◽  
High Energy Density ◽  
High Power Density ◽  
Facile Synthesis ◽  
Asymmetric Supercapacitors ◽  
Graphene Nanosheet ◽  
Doped Graphene

The 3D NG/Co–NCNT based asymmetric supercapacitors provide high energy density (~88.44 W h kg−1), an ultra-high power density (~17 991 W kg−1 at 56.97 W h kg−1), and outstanding stability (~10 000 times).

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