Rationally designed nickel oxide ravines@iron cobalt-hydroxides with largely enhanced capacitive performance for asymmetric supercapacitors

2017 ◽  
Vol 5 (32) ◽  
pp. 16944-16952 ◽  
Author(s):  
Libo Gao ◽  
Ke Cao ◽  
Hongti Zhang ◽  
Peifeng Li ◽  
Jian Song ◽  
...  
Keyword(s):  
Nickel Oxide ◽  
Rate Capability ◽  
Asymmetric Supercapacitors ◽  
Iron Cobalt ◽  
Capacitive Performance ◽  
Areal Capacitance ◽  
Cobalt Hydroxides

NiO@FeCo-LDH can simultaneously achieve ultrahigh areal capacitance and rate capability.

Ultra-high rate capability of nanoporous carbon network@V2O5 sub-micron brick composite as a novel cathode material for asymmetric supercapacitors

Nanoscale ◽  
2020 ◽  
Vol 12 (45) ◽  
pp. 23213-23224
Author(s):  
Yue Jiao ◽  
Caichao Wan ◽  
Yiqiang Wu ◽  
Jingquan Han ◽  
Wenhui Bao ◽  
...  
Keyword(s):  
Cathode Material ◽  
Rate Capability ◽  
Nanoporous Carbon ◽  
Cycling Stability ◽  
High Rate ◽  
High Rate Capability ◽  
Asymmetric Supercapacitors ◽  
Areal Capacitance ◽  
Superior Cycling Stability ◽  
Carbon Network

A novel cathode material, composed of biomass-derived nanoporous carbon network and V2O5 sub-micron bricks, delivers a high areal capacitance of 786 mF cm−2 at 0.2 mA cm−2 and superior cycling stability.

Enhanced capacitive performance of nickel oxide on porous La0·7Sr0·3CoO3-δ ceramic substrate for electrochemical capacitors

2018 ◽  
Vol 43 (42) ◽  
pp. 19589-19599 ◽  
Author(s):  
Peipei Liu ◽  
Zhijun Liu ◽  
Peng Wu ◽  
Xing Ou ◽  
Yapeng Zhang ◽  
...  
Keyword(s):  
Nickel Oxide ◽  
Electrochemical Capacitors ◽  
Ceramic Substrate ◽  
Capacitive Performance

Oxygen-vacancy Bi2O3 nanosheet arrays with excellent rate capability and CoNi2S4 nanoparticles immobilized on N-doped graphene nanotubes as robust electrode materials for high-energy asymmetric supercapacitors

2019 ◽  
Vol 7 (13) ◽  
pp. 7918-7931 ◽  
Author(s):  
Jian Zhao ◽  
Zhenjiang Li ◽  
Tong Shen ◽  
Xiangcheng Yuan ◽  
Guanhao Qiu ◽  
...  
Keyword(s):  
Oxygen Vacancy ◽  
Electrode Materials ◽  
Rate Capability ◽  
High Energy ◽  
Asymmetric Supercapacitor ◽  
Asymmetric Supercapacitors ◽  
Positive Electrodes ◽  
Nanosheet Arrays ◽  
Doped Graphene

An asymmetric supercapacitor with high energy was assembled by using the N-GNTs@OV-Bi2O3 NSAs and N-GNTs@CoNi2S4 NPs as negative and positive electrodes, respectively.

Hexagonal prism arrays constructed using ultrathin porous nanoflakes of carbon doped mixed-valence Co–Mn–Fe phosphides for ultrahigh areal capacitance and remarkable cycling stability

2019 ◽  
Vol 7 (9) ◽  
pp. 4431-4437 ◽  
Author(s):  
Richao Niu ◽  
Gengjie Wang ◽  
Yuying Ding ◽  
Shaochun Tang ◽  
Xuemin Hu ◽  
...  
Keyword(s):  
Mixed Valence ◽  
Rate Capability ◽  
Cycling Stability ◽  
Hexagonal Prism ◽  
High Capacitance ◽  
Carbon Doped ◽  
Areal Capacitance

With novel hierarchical hexagonal prism arrays, a carbon-doped mixed-valence Co–Mn–Fe phosphide electrode shows high capacitance, rate capability and cycling stability.

Multilayered nickel oxide/carbon nanotube composite paper electrodes for asymmetric supercapacitors

2020 ◽  
Vol 354 ◽  
pp. 136744
Author(s):  
Yi-Hsuan Lai ◽  
Shivam Gupta ◽  
Chung-Hsuan Hsiao ◽  
Chi-Young Lee ◽  
Nyan-Hwa Tai
Keyword(s):  
Carbon Nanotube ◽  
Nickel Oxide ◽  
Asymmetric Supercapacitors ◽  
Carbon Nanotube Composite ◽  
Composite Paper

scholarly journals Dissected carbon nanotubes functionalized by 1-hydroxyanthraquinone for high-performance asymmetric supercapacitors

RSC Advances ◽  
2017 ◽  
Vol 7 (76) ◽  
pp. 48341-48353 ◽  
Author(s):  
Xia Yang ◽  
Yuying Yang ◽  
Quancai Zhang ◽  
Xiaotong Wang ◽  
Yufeng An ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Graphene Oxide ◽  
Specific Capacitance ◽  
Reduced Graphene Oxide ◽  
High Performance ◽  
Rate Capability ◽  
High Specific Capacitance ◽  
Covalent Modification ◽  
Asymmetric Supercapacitors ◽  
Reduced Graphene

1-Hydroxyanthraquinone (HAQ) is selected to functionalize the dissected carbon nanotubes (rDCNTs) with reduced graphene oxide layers through non-covalent modification. The composite achieves high specific capacitance and ultrahigh rate capability.

Fast lithium-ion storage of Nb2O5 nanocrystals in situ grown on carbon nanotubes for high-performance asymmetric supercapacitors

RSC Advances ◽  
2015 ◽  
Vol 5 (51) ◽  
pp. 41179-41185 ◽  
Author(s):  
Xiaolei Wang ◽  
Ge Li ◽  
Ricky Tjandra ◽  
Xingye Fan ◽  
Xingcheng Xiao ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
High Performance ◽  
Rate Capability ◽  
Lithium Ion ◽  
High Energy ◽  
Asymmetric Supercapacitors ◽  
Ion Storage ◽  
Energy And Power Density

Nanocomposites of Nb2O5 NCs in situ grown on CNTs are successfully developed with excellent rate capability, leading to the successful fabrication of asymmetric supercapacitors with high energy and power density and long-term cycling stability.

Molten-NaNH2 activated carbon cloth with high areal capacitance and exceptional rate stability for flexible asymmetric supercapacitors

2019 ◽  
Vol 54 (12) ◽  
pp. 9111-9123 ◽  
Author(s):  
Shuai Zhou ◽  
Ke Chen ◽  
Hongying Quan ◽  
Minxing Su ◽  
Zhen Zeng ◽  
...  
Keyword(s):  
Activated Carbon ◽  
Carbon Cloth ◽  
Activated Carbon Cloth ◽  
Asymmetric Supercapacitors ◽  
Areal Capacitance

One-step electrodeposition fabrication of iron cobalt sulfide nanosheet arrays on Ni foam for high-performance asymmetric supercapacitors

Ionics ◽  
2020 ◽  
Vol 26 (4) ◽  
pp. 2095-2106 ◽  
Author(s):  
Xiaomin Hu ◽  
Shunchang Liu ◽  
Yukai Chen ◽  
Jibo Jiang ◽  
Yaoxin Sun ◽  
...  
Keyword(s):  
High Performance ◽  
Cobalt Sulfide ◽  
Ni Foam ◽  
Asymmetric Supercapacitors ◽  
Iron Cobalt ◽  
Nanosheet Arrays ◽  
One Step
Sign in / Sign up

Export Citation Format

Share Document