scholarly journals Advanced binder-free electrodes based on CoMn2O4@Co3O4 core/shell nanostructures for high-performance supercapacitors

RSC Advances ◽  
2018 ◽  
Vol 8 (55) ◽  
pp. 31594-31602 ◽  
Author(s):  
Xiaobo Chen ◽  
Xiao Liu ◽  
Yongxu Liu ◽  
Yameng Zhu ◽  
Guoce Zhuang ◽  
...  
Keyword(s):  
Electrochemical Performance ◽  
Specific Capacitance ◽  
High Performance ◽  
High Specific Capacitance ◽  
Cycling Stability ◽  
Core Shell ◽  
Ni Foam ◽  
Asymmetric Supercapacitors ◽  
Shell Nanostructures ◽  
Binder Free

CoMn2O4@Co3O4 core/shell arrays on Ni foam exhibit outstanding electrochemical performance for asymmetric supercapacitors with respect to high specific capacitance and high cycling stability.

Mechanism analysis of the capacitance contributions and ultralong cycling-stability of the isomorphous MnO2@MnO2 core/shell nanostructures for supercapacitors

2015 ◽  
Vol 3 (11) ◽  
pp. 6168-6176 ◽  
Author(s):  
Jiajia Shao ◽  
Xiying Zhou ◽  
Qian Liu ◽  
Rujia Zou ◽  
Wenyao Li ◽  
...  
Keyword(s):  
Electrochemical Performance ◽  
Specific Capacitance ◽  
Hydrothermal Process ◽  
High Specific Capacitance ◽  
Cycling Stability ◽  
Core Shell ◽  
Mechanism Analysis ◽  
Shell Nanostructures ◽  
Excellent Cycling Stability ◽  
Facile Hydrothermal Process

The isomorphous MnO2@MnO2 core/shell nanostructures synthesized through a facile hydrothermal process showed remarkable electrochemical performance, i.e., a high specific capacitance with excellent cycling stability.

Hierarchical core/shell structures of ZnO nanorod@CoMoO4 nanoplates used as a high-performance electrode for supercapacitors

RSC Advances ◽  
2016 ◽  
Vol 6 (4) ◽  
pp. 3020-3024 ◽  
Author(s):  
Yunjiu Cao ◽  
Lei An ◽  
Lijun Liao ◽  
Xijian Liu ◽  
Tao Ji ◽  
...  
Keyword(s):  
Specific Capacitance ◽  
High Performance ◽  
High Specific Capacitance ◽  
Cycling Stability ◽  
Shell Structures ◽  
Core Shell ◽  
Zno Nanorod ◽  
Good Cycling Stability

ZnO@CoMoO4 core/shell structures as an electrode for supercapacitors exhibited a high specific capacitance of 1.52 F cm−2 (1169 F g−1) at 2 mA cm−2 and a good cycling stability of 109% of the initial specific capacitance after 5000 cycles.

Hierarchical 3D NiFe2O4@MnO2 core–shell nanosheet arrays on Ni foam for high-performance asymmetric supercapacitors

2018 ◽  
Vol 47 (7) ◽  
pp. 2266-2273 ◽  
Author(s):  
Xinyang Zhang ◽  
Ziqing Zhang ◽  
Shuanggan Sun ◽  
Qiushi Sun ◽  
Xiaoyang Liu
Keyword(s):  
Electrochemical Performance ◽  
Hydrothermal Method ◽  
High Performance ◽  
Core Shell ◽  
Ni Foam ◽  
Asymmetric Supercapacitors ◽  
Nanosheet Arrays

Hierarchical NiFe2O4@MnO2 core–shell nanosheet arrays synthesized via a two-step hydrothermal method with successive annealing exhibited outstanding electrochemical performance.

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.

Hierarchical core–shell structures of P-Ni(OH)2 rods@MnO2 nanosheets as high-performance cathode materials for asymmetric supercapacitors

Nanoscale ◽  
2018 ◽  
Vol 10 (5) ◽  
pp. 2524-2532 ◽  
Author(s):  
Kunzhen Li ◽  
Shikuo Li ◽  
Fangzhi Huang ◽  
Xin-yao Yu ◽  
Yan Lu ◽  
...  
Keyword(s):  
Energy Density ◽  
High Power ◽  
High Performance ◽  
Shell Structures ◽  
Core Shell ◽  
Ni Foam ◽  
Asymmetric Supercapacitors ◽  
Mno2 Nanosheets ◽  
Binder Free ◽  
Power And Energy

The unique P-Ni(OH)2@MnO2 core–shell nanoarrays heterostructure grown on Ni foam were designed and synthesized as a binder-free electrode, high power and energy density asymmetrical supercapacitors were achieved.

A hierarchical NiO/NiMn-layered double hydroxide nanosheet array on Ni foam for high performance supercapacitors

2017 ◽  
Vol 46 (23) ◽  
pp. 7388-7391 ◽  
Author(s):  
Peng-Fei Liu ◽  
Jiao-Jiao Zhou ◽  
Guo-Chang Li ◽  
Meng-Ke Wu ◽  
Kai Tao ◽  
...  
Keyword(s):  
Specific Capacitance ◽  
Layered Double Hydroxide ◽  
High Performance ◽  
High Specific Capacitance ◽  
Cycling Stability ◽  
Ni Foam ◽  
Nanosheet Array ◽  
Double Hydroxide ◽  
Good Cycling Stability

A hierarchical NiO/NiMn-LDH nanosheet array on Ni foam was preparedviaa facile two-step approach and exhibited a high specific capacitance (937 F g−1at 0.5 A g−1) and good cycling stability (91% retention after 1000 cycles at 5 A g−1).

scholarly journals Construction of CuCo2O4@CuCo2O4 hierarchical nanowire arrays grown on Ni foam for high-performance supercapacitors

RSC Advances ◽  
2017 ◽  
Vol 7 (7) ◽  
pp. 3983-3991 ◽  
Author(s):  
Yan Zhang ◽  
Jie Xu ◽  
Yayun Zheng ◽  
Yingjiu Zhang ◽  
Xing Hu ◽  
...  
Keyword(s):  
Electrochemical Performance ◽  
High Performance ◽  
Cycling Stability ◽  
Nanowire Arrays ◽  
Ni Foam ◽  
Step Method ◽  
Binder Free ◽  
Excellent Cycling Stability

CuCo2O4@CuCo2O4 hierarchical nanowire arrays were fabricated directly on Ni foam via a two-step method. The binder-free electrode displayed high electrochemical performance with excellent cycling stability.

Core–shell structural PANI-derived carbon@Co–Ni LDH electrode for high-performance asymmetric supercapacitors

2018 ◽  
Vol 2 (6) ◽  
pp. 1350-1355 ◽  
Author(s):  
Junming Cao ◽  
La Li ◽  
Yunlong Xi ◽  
Junzhi Li ◽  
Xuexue Pan ◽  
...  
Keyword(s):  
Electrical Conductivity ◽  
Specific Capacitance ◽  
Double Layer ◽  
High Performance ◽  
Electrode Materials ◽  
High Specific Capacitance ◽  
Core Shell ◽  
Asymmetric Supercapacitors ◽  
Double Layer Capacitor ◽  
Metal Nanocomposites

Carbon/metal nanocomposites have been considered promising electrode materials for application in supercapacitors owing to their combination of good electrical conductivity, excellent cycle stabilities of the electronic double layer capacitor (EDLC) and high specific capacitance of the pseudocapacitor.

CoOx nanoparticles embedded in porous graphite carbon nanofibers derived from electrospun polyacrylonitrile@polypyrrole core–shell nanostructures for high-performance supercapacitors

RSC Advances ◽  
2016 ◽  
Vol 6 (60) ◽  
pp. 54693-54701 ◽  
Author(s):  
Guangdi Nie ◽  
Xiaofeng Lu ◽  
Maoqiang Chi ◽  
Yanzhou Jiang ◽  
Ce Wang
Keyword(s):  
Specific Capacitance ◽  
Carbon Nanofibers ◽  
High Performance ◽  
Rate Capability ◽  
Cycling Stability ◽  
Core Shell ◽  
Shell Nanostructures ◽  
Porous Graphite

A novel composite nanostructure of C–CoOx–C with CoOx nanoparticles embedded in N-containing porous graphite carbon nanofibers exhibited a more acceptable specific capacitance, higher rate capability and better cycling stability.

Sign in / Sign up

Export Citation Format

Share Document