High-power and high-energy asymmetric supercapacitors based on Li+-intercalation into a T-Nb2O5/graphene pseudocapacitive electrode

2014 ◽  
Vol 2 (42) ◽  
pp. 17962-17970 ◽  
Author(s):  
Lingping Kong ◽  
Chuanfang Zhang ◽  
Songmin Zhang ◽  
Jitong Wang ◽  
Rong Cai ◽  
...  
Keyword(s):  
High Power ◽  
Mesoporous Carbon ◽  
High Energy ◽  
Carbon Electrodes ◽  
Asymmetric Supercapacitors ◽  
Graphene Nanocomposites ◽  
Power Densities

T-Nb2O5/graphene nanocomposites were fabricated and then paired with mesoporous carbon electrodes to construct the asymmetrical supercapacitors with high energy and power densities.

Vacancies-engineered MoO3 and Na+-preinserted MnO2 in-situ grown N-doped graphene nanotubes as electrode materials for high-performance asymmetric supercapacitor

2021 ◽  
Author(s):  
Jian Zhao ◽  
He Cheng ◽  
Huanyu Li ◽  
Yan-Jie Wang ◽  
Qingyan Jiang ◽  
...  
Keyword(s):  
High Performance ◽  
Electrode Materials ◽  
High Energy ◽  
Cooperative Effect ◽  
Electrochemical Energy Storage ◽  
Asymmetric Supercapacitor ◽  
Asymmetric Supercapacitors ◽  
Doped Graphene ◽  
Power Densities

Developing advanced negative and positive electrode materials for asymmetric supercapacitors (ASCs) as the electrochemical energy storage can enable the device to reach high energy/power densities resulting from the cooperative effect...

Scalable construction of heteroatom-doped and hierarchical core–shell MnO2 nanoflakes on mesoporous carbon for high performance supercapacitor devices

2020 ◽  
Vol 7 (2) ◽  
pp. 411-420
Author(s):  
Xue Bai ◽  
Dianxue Cao ◽  
Hongyu Zhang
Keyword(s):  
Mesoporous Carbon ◽  
High Performance ◽  
High Energy ◽  
Cycling Stability ◽  
Core Shell ◽  
Power Densities ◽  
Shell Composite ◽  
Asymmetric Device

Combining interfacial methods and mesoporous carbon channels, an asymmetric device, using N,S-codoped mesoporous carbon and a MnO2@MC-30 core shell composite, is assembled with high energy, power densities and outstanding cycling stability.

Realizing both High Energy and High Power Densities by Twisting Three Carbon-Nanotube-Based Hybrid Fibers

2015 ◽  
Vol 127 (38) ◽  
pp. 11329-11334 ◽  
Author(s):  
Ye Zhang ◽  
Yang Zhao ◽  
Xunliang Cheng ◽  
Wei Weng ◽  
Jing Ren ◽  
...  
Keyword(s):  
Carbon Nanotube ◽  
High Power ◽  
High Energy ◽  
Hybrid Fibers ◽  
Power Densities

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.

High rate capability Li3V2¬xNix(PO4)3/C (x = 0, 0.05, and 0.1) cathodes for Li-ion asymmetric supercapacitors

2015 ◽  
Vol 3 (22) ◽  
pp. 11807-11816 ◽  
Author(s):  
Marco Secchiaroli ◽  
Gabriele Giuli ◽  
Bettina Fuchs ◽  
Roberto Marassi ◽  
Margret Wohlfahrt-Mehrens ◽  
...  
Keyword(s):  
Power Density ◽  
High Power ◽  
Rate Capability ◽  
High Energy ◽  
High Rate ◽  
High Power Density ◽  
Cycle Stability ◽  
High Rate Capability ◽  
Asymmetric Supercapacitors ◽  
Li Ion

Nanostructured Li3V2−xNix(PO4)3 (x = 0, 0.05, and 0.1) cathodes, thanks to their high rate capability and excellent cycle stability, are proposed as excellent candidates for the development of high energy and high power density Li-ion asymmetric supercapacitors.

scholarly journals Carbon-coated fluorinated graphite for high energy and high power densities primary lithium batteries

2010 ◽  
Vol 195 (9) ◽  
pp. 2914-2917 ◽  
Author(s):  
Q. Zhang ◽  
S. D’Astorg ◽  
P. Xiao ◽  
X. Zhang ◽  
L. Lu
Keyword(s):  
High Power ◽  
Lithium Batteries ◽  
High Energy ◽  
Fluorinated Graphite ◽  
Carbon Coated ◽  
Power Densities

scholarly journals Beyond Activated Carbon: Graphite‐Cathode‐Derived Li‐Ion Pseudocapacitors with High Energy and High Power Densities

2019 ◽  
Vol 31 (14) ◽  
pp. 1807712 ◽  
Author(s):  
Gang Wang ◽  
Steffen Oswald ◽  
Markus Löffler ◽  
Klaus Müllen ◽  
Xinliang Feng
Keyword(s):  
Activated Carbon ◽  
High Power ◽  
High Energy ◽  
Graphite Cathode ◽  
Li Ion ◽  
Power Densities

Electrodeposition of polyaniline on three-dimensional graphene hydrogel as a binder-free supercapacitor electrode with high power and energy densities

RSC Advances ◽  
2016 ◽  
Vol 6 (64) ◽  
pp. 58854-58861 ◽  
Author(s):  
Shuya Gao ◽  
Li Zhang ◽  
Yadong Qiao ◽  
Pei Dong ◽  
Jun Shi ◽  
...  
Keyword(s):  
High Power ◽  
Three Dimensional ◽  
High Energy ◽  
Supercapacitor Electrode ◽  
3D Graphene ◽  
Binder Free ◽  
Power And Energy ◽  
Power Densities

3D graphene hydrogel (GH) provides a promising support for electrodepositing PANI, and the supercapacitor based on GH/PANI conformal heterostructure displays high energy and power densities.

All-solid-state flexible asymmetric supercapacitors with high energy and power densities based on NiCo2S4@MnS and active carbon

2017 ◽  
Vol 26 (6) ◽  
pp. 1260-1266 ◽  
Author(s):  
Zhiguo Zhang ◽  
Xiao Huang ◽  
Huan Li ◽  
Hongxia Wang ◽  
Yingyuan Zhao ◽  
...  
Keyword(s):  
Solid State ◽  
Active Carbon ◽  
High Energy ◽  
Asymmetric Supercapacitors ◽  
Power Densities

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.

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