MnO2 Nanoflowers and Reduced Graphene Oxide 3D Composites for Ultrahigh-Energy-Density Asymmetric Supercapacitors

2018 ◽  
Vol 6 (4) ◽  
pp. 737-743 ◽  
Author(s):  
Junying Zhang ◽  
Xiaoming Zhang ◽  
Zhi Liu ◽  
Jun Zheng ◽  
Yuhua Zuo ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Energy Density ◽  
Reduced Graphene Oxide ◽  
Ultrahigh Energy ◽  
Asymmetric Supercapacitors ◽  
Reduced Graphene

Sandwich-like NiCo layered double hydroxide/reduced graphene oxide nanocomposite cathodes for high energy density asymmetric supercapacitors

2019 ◽  
Vol 48 (16) ◽  
pp. 5193-5202 ◽  
Author(s):  
Kai Le ◽  
Zhou Wang ◽  
Fenglong Wang ◽  
Qi Wang ◽  
Qian Shao ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Energy Density ◽  
Reduced Graphene Oxide ◽  
Layered Double Hydroxide ◽  
High Energy ◽  
High Energy Density ◽  
Asymmetric Supercapacitors ◽  
Reduced Graphene ◽  
Excellent Cycling Stability ◽  
Double Hydroxide

Lab-synthesized sandwich-like LDH/rGO composites were assembled into asymmetric supercapacitors exhibiting high energy density and excellent cycling stability.

A freestanding cellulose nanofibril–reduced graphene oxide–molybdenum oxynitride aerogel film electrode for all-solid-state supercapacitors with ultrahigh energy density

2017 ◽  
Vol 5 (24) ◽  
pp. 12528-12541 ◽  
Author(s):  
Qifeng Zheng ◽  
Alexander Kvit ◽  
Zhiyong Cai ◽  
Zhenqiang Ma ◽  
Shaoqin Gong
Keyword(s):  
Graphene Oxide ◽  
Solid State ◽  
Energy Density ◽  
Reduced Graphene Oxide ◽  
Film Electrode ◽  
Ultrahigh Energy ◽  
Cellulose Nanofibril ◽  
Reduced Graphene

Supercapacitors made with CNF/RGO/MoOxNyaerogel film electrodes exhibit outstanding specific capacitances and remarkable energy densities in different electrolytes.

High energy density asymmetric supercapacitors with a nickel oxide nanoflake cathode and a 3D reduced graphene oxide anode

Nanoscale ◽  
2013 ◽  
Vol 5 (17) ◽  
pp. 7984 ◽  
Author(s):  
Feng Luan ◽  
Gongming Wang ◽  
Yichuan Ling ◽  
Xihong Lu ◽  
Hanyu Wang ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Energy Density ◽  
Nickel Oxide ◽  
Reduced Graphene Oxide ◽  
High Energy ◽  
High Energy Density ◽  
Asymmetric Supercapacitors ◽  
Reduced Graphene ◽  
Oxide Anode

Two-dimensional heterostructures of V2O5 and reduced graphene oxide as electrodes for high energy density asymmetric supercapacitors

2014 ◽  
Vol 2 (40) ◽  
pp. 17146-17152 ◽  
Author(s):  
D. H. Nagaraju ◽  
Qingxiao Wang ◽  
P. Beaujuge ◽  
H. N. Alshareef
Keyword(s):  
Graphene Oxide ◽  
Energy Density ◽  
Reduced Graphene Oxide ◽  
High Energy ◽  
High Conductivity ◽  
High Energy Density ◽  
Asymmetric Supercapacitor ◽  
Two Dimensional ◽  
Asymmetric Supercapacitors ◽  
Reduced Graphene

The 2D layered heterostructures of V2O5 nanosheets and reduced graphene oxide show high conductivity and superior asymmetric supercapacitor properties.

scholarly journals FeNb2O6/reduced graphene oxide composites with intercalation pseudo-capacitance enabling ultrahigh energy density for lithium-ion capacitors

RSC Advances ◽  
2021 ◽  
Vol 11 (51) ◽  
pp. 32248-32257
Author(s):  
Shuying Kong ◽  
Xu Zhang ◽  
Binbin Jin ◽  
Xiaogang Guo ◽  
Guoqing Zhang ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Energy Density ◽  
Reduced Graphene Oxide ◽  
Hybrid Material ◽  
Lithium Ion ◽  
Ultrahigh Energy ◽  
Fast Charge ◽  
Reduced Graphene ◽  
Oxide Composites

FeNb2O6/reduced graphene oxide (FNO/rGO) hybrid material as a fast charge anode for LICs that provides a solution to overcome the discrepancy in kinetics between battery-type anodes and capacitive cathodes.

Oxygen-deficient and nitrogen-doped MnO2 nanowire-reduced graphene oxide–cellulose nanofibril aerogel electrodes for high-performance asymmetric supercapacitors

2018 ◽  
Vol 6 (47) ◽  
pp. 24407-24417 ◽  
Author(s):  
Qifeng Zheng ◽  
Ruosen Xie ◽  
Liming Fang ◽  
Zhiyong Cai ◽  
Zhenqiang Ma ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Energy Density ◽  
Reduced Graphene Oxide ◽  
High Performance ◽  
Nitrogen Doping ◽  
Oxygen Vacancies ◽  
Cellulose Nanofibril ◽  
Asymmetric Supercapacitors ◽  
Nitrogen Doped ◽  
Reduced Graphene

Oxygen vacancies and nitrogen doping dramatically enhance the conductivity and capacitive performance of the MnO2 and MoO3 nanowires, leading to superb energy density and cycling stability of the asymmetric supercapacitors.

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