Integration of nickel–cobalt double hydroxide nanosheets and polypyrrole films with functionalized partially exfoliated graphite for asymmetric supercapacitors with improved rate capability

2015 ◽  
Vol 3 (28) ◽  
pp. 14712-14720 ◽  
Author(s):  
Yu Song ◽  
Xiang Cai ◽  
Xinxin Xu ◽  
Xiao-Xia Liu
Keyword(s):  
Rate Capability ◽  
High Rate ◽  
Exfoliated Graphite ◽  
Asymmetric Supercapacitor ◽  
Asymmetric Supercapacitors ◽  
Polypyrrole Films ◽  
Nickel Cobalt ◽  
Double Hydroxide

A high-rate asymmetric supercapacitor (ASC) was developed by employing high rate pseudo-capacitive nanomaterial/graphene hybrid electrodes for both electrodes.

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.

Crystal morphology evolution of Ni–Co layered double hydroxide nanostructure towards high-performance biotemplate asymmetric supercapacitors

CrystEngComm ◽  
2018 ◽  
Vol 20 (46) ◽  
pp. 7428-7434 ◽  
Author(s):  
Chuan Jing ◽  
Xiaoli Liu ◽  
Xiaoying Liu ◽  
Debin Jiang ◽  
Biqin Dong ◽  
...  
Keyword(s):  
Layered Double Hydroxide ◽  
High Performance ◽  
Crystal Morphology ◽  
Three Dimensional ◽  
Morphology Evolution ◽  
Porous Structures ◽  
Asymmetric Supercapacitors ◽  
Nickel Cobalt ◽  
One Step ◽  
Double Hydroxide

Hierarchical three-dimensional (3D) porous structures of nickel–cobalt layered double hydroxide (LDH) are grown on diatomite biotemplate via one-step hydrothermal method.

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.

2D MoSe2-Ni(OH)2 nanohybrid as an efficient electrode material with high rate capability for asymmetric supercapacitor applications

2019 ◽  
Vol 355 ◽  
pp. 881-890 ◽  
Author(s):  
Balakrishnan Kirubasankar ◽  
Pazaniraja Palanisamy ◽  
Subasri Arunachalam ◽  
Vignesh Murugadoss ◽  
Subramania Angaiah
Keyword(s):  
Electrode Material ◽  
Rate Capability ◽  
High Rate ◽  
Asymmetric Supercapacitor ◽  
High Rate Capability ◽  
Supercapacitor Applications

scholarly journals High-rate-capability asymmetric supercapacitor device based on lily-like Co3O4 nanostructures assembled using nanowires

RSC Advances ◽  
2017 ◽  
Vol 7 (7) ◽  
pp. 3752-3759 ◽  
Author(s):  
Yanjie Wang ◽  
Shaobo Huang ◽  
Yin Lu ◽  
Shizhong Cui ◽  
Weihua Chen ◽  
...  
Keyword(s):  
Active Carbon ◽  
Rate Capability ◽  
High Rate ◽  
Asymmetric Supercapacitor ◽  
High Rate Capability ◽  
Co3o4 Nanostructures

In this paper, high-rate-capability asymmetric supercapacitor device assembled by lily-like Co3O4 nanostructures and active carbon was presented.

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