2D-on-2D core-shell Co3(PO4)2 stacked micropetals@Co2Mo3O8 nanosheets and binder-free 2D CNT-Ti3C2TX–MXene electrodes for high-energy solid-state flexible supercapacitor

2021 ◽  
Author(s):  
Amar Patil ◽  
Nilesh Rajaram Chodankar ◽  
Euigeol Jung ◽  
Sanjib Baran Roy ◽  
Deepak P. Dubal ◽  
...  
Keyword(s):  
High Energy ◽  
Structural Instability ◽  
Core Shell ◽  
Positive Electrodes ◽  
Flexible Supercapacitor ◽  
Negative Electrodes ◽  
Binder Free ◽  
Kinetics Of ◽  
Lower Capacitance ◽  
State Of Art

The structural instability and sluggish kinetics of conventional positive electrodes with the lower capacitance of carbon-based negative electrodes result in an inferior performance for state-of-art supercapacitors (SCs). A general yet...

Designing positive electrodes based on 3D hierarchical CoMn2O4@NiMn-LDH nanoarray composites for high energy and power density supercapacitors

CrystEngComm ◽  
2020 ◽  
Vol 22 (41) ◽  
pp. 6864-6875
Author(s):  
Suci Meng ◽  
Yintao Wang ◽  
Yuqi Zhang ◽  
Qing Xu ◽  
Deli Jiang ◽  
...  
Keyword(s):  
Power Density ◽  
High Energy ◽  
Nanowire Arrays ◽  
Core Shell ◽  
Positive Electrodes ◽  
Energy And Power Density

3D hierarchical CoMn2O4@NiMn-LDH core–shell nanowire arrays as positive electrodes for high energy and power density supercapacitors.

scholarly journals Efficient coupling of MnO2/TiN on carbon cloth positive electrode and Fe2O3/TiN on carbon cloth negative electrode for flexible ultra-fast hybrid supercapacitors

RSC Advances ◽  
2021 ◽  
Vol 11 (57) ◽  
pp. 35726-35736
Author(s):  
Mai Li ◽  
Kailan Zhu ◽  
Zheyi Meng ◽  
Ruihua Hu ◽  
Jiale Wang ◽  
...  
Keyword(s):  
Negative Electrode ◽  
Core Shell ◽  
Carbon Cloth ◽  
Hybrid Supercapacitor ◽  
Hybrid Supercapacitors ◽  
Nanosheet Arrays ◽  
Negative Electrodes ◽  
Binder Free ◽  
Efficient Coupling ◽  
Ultrathin Nanosheet

MnO2 ultrathin nanosheet arrays and Fe2O3 nanoparticles are fabricated on carbon based TiN nanowires to produce binder-free and core–shell positive and negative electrodes for a flexible and ultra-fast hybrid supercapacitor.

In situ growth of binder-free CNTs@Ni–Co–S nanosheets core/shell hybrids on Ni mesh for high energy density asymmetric supercapacitors

2016 ◽  
Vol 4 (22) ◽  
pp. 8888-8897 ◽  
Author(s):  
Tianquan Peng ◽  
Huan Yi ◽  
Peng Sun ◽  
Yuting Jing ◽  
Ruijing Wang ◽  
...  
Keyword(s):  
High Energy ◽  
High Energy Density ◽  
Cobalt Sulfide ◽  
Core Shell ◽  
Step Method ◽  
Asymmetric Supercapacitors ◽  
The Core ◽  
Nickel Cobalt ◽  
Binder Free

A facile two-step method has been developed to synthesize 3D core/shell-structured composites (CNTs@Ni–Co–S) composed of ternary nickel cobalt sulfide nanosheets (Ni–Co–S) as the shell and carbon nanotubes (CNTs) as the core on a flexible Ni mesh (Ni@CNTs@Ni–Co–S).

Optimized core–shell polypyrrole-coated NiCo2O4 nanowires as binder-free electrode for high-energy and durable aqueous asymmetric supercapacitor

2017 ◽  
Vol 53 (4) ◽  
pp. 2658-2668 ◽  
Author(s):  
Song Liu ◽  
Cuihua An ◽  
Xiaoya Chang ◽  
Huinan Guo ◽  
Lei Zang ◽  
...  
Keyword(s):  
High Energy ◽  
Core Shell ◽  
Asymmetric Supercapacitor ◽  
Binder Free

Ni3S2@PANI core–shell nanosheets as a durable and high-energy binder-free cathode for aqueous rechargeable nickel–zinc batteries

2019 ◽  
Vol 7 (17) ◽  
pp. 10629-10635 ◽  
Author(s):  
Lijun Zhou ◽  
Xiyue Zhang ◽  
Dezhou Zheng ◽  
Wei Xu ◽  
Jie Liu ◽  
...  
Keyword(s):  
High Performance ◽  
High Energy ◽  
Core Shell ◽  
Nickel Zinc ◽  
Binder Free ◽  
Increasing Demand ◽  
Electrified Vehicles

To meet the ever-increasing demand of multifarious electronics and electrified vehicles, developing stable and high-performance electrodes for aqueous rechargeable nickel–zinc (Ni//Zn) batteries is highly attractive.

The porous ZnCo2O4 nanosheets arrays as a binder-free electrode for high performance flexible supercapacitor materials

2021 ◽  
Author(s):  
Jing Wang ◽  
Chen Wang ◽  
Shen Wang ◽  
Xiang Zhang ◽  
Xiangyang Jin ◽  
...  
Keyword(s):  
Energy Density ◽  
Power Density ◽  
High Energy ◽  
High Energy Density ◽  
Carbon Cloth ◽  
Energy Storage Devices ◽  
Supercapacitor Electrode ◽  
Flexible Electrode ◽  
Flexible Supercapacitor ◽  
Binder Free

Abstract In this paper, the porous ZnCo2O4 nanosheets arrays (NAs)/carbon cloth (CC) were prepared for the first time as a binder-free anode by hydrothermal method. The anode electrode material shows multistage pore distribution and thus can provide numerous ways for the transport of ions and electrons. As a supercapacitor electrode, the flexible ZnCo2O4/CC electrode indicates a high specific capacitance (1790 F/g at the current density of 1 A/g), good rate performance, and excellent cycle properties (99.4% capacitance retention after 10000 cycles). Besides, the flexible electrode also displays good mechanical flexibility. The solid-state asymmetric flexible supercapacitor device was assembled taking the ZnCo2O4/CC electrode as the positive electrode and carbon nanotube (CNTs)/CC as the negative electrode. The asymmetric device delivers high energy density 47.1 Wh/Kg (power density 800 W/Kg) and power density 12000 W/Kg (energy density 28.3 Wh/Kg) with the potential window 0 V ~ 1.6 V. These results indicate the ZnCo2O4/CC flexible electrode with high electrochemical performance adjust for environmentally friendly and low-cost energy storage devices in the future.

Low-cost and high energy density asymmetric supercapacitors based on polyaniline nanotubes and MoO3 nanobelts

2014 ◽  
Vol 2 (27) ◽  
pp. 10384-10388 ◽  
Author(s):  
Hui Peng ◽  
Guofu Ma ◽  
Jingjing Mu ◽  
Kanjun Sun ◽  
Ziqiang Lei
Keyword(s):  
Energy Density ◽  
Aqueous Electrolyte ◽  
Low Cost ◽  
High Energy ◽  
High Energy Density ◽  
Asymmetric Supercapacitors ◽  
Positive Electrodes ◽  
Negative Electrodes ◽  
Polyaniline Nanotubes

Asymmetric supercapacitors (ASCs) with high energy density are assembled based on the pseudocapacitance of both electrodes, which use polyaniline (PANI) nanotubes as positive electrodes and MoO3 nanobelts as negative electrodes in a 1 M H2SO4 aqueous electrolyte.

A hierarchical glucose-intercalated NiMn-G-LDH@NiCo2S4 core–shell structure as a binder-free electrode for flexible all-solid-state asymmetric supercapacitors

Nanoscale ◽  
2020 ◽  
Vol 12 (3) ◽  
pp. 1852-1863 ◽  
Author(s):  
Shixia Chen ◽  
Chengxi Lu ◽  
Lu Liu ◽  
Mai Xu ◽  
Jun Wang ◽  
...  
Keyword(s):  
Solid State ◽  
Energy Density ◽  
Shell Structure ◽  
High Energy ◽  
High Energy Density ◽  
Core Shell ◽  
Wearable Electronics ◽  
Asymmetric Supercapacitors ◽  
Binder Free ◽  
Core Shell Structure

Flexible, lightweight, and high-energy-density asymmetric supercapacitors (ASCs) are highly attractive for portable and wearable electronics.

scholarly journals A Review of Size Engineering-Enabled Electrocatalysts for Li–S Chemistry

2021 ◽  
Author(s):  
Xi Zhang ◽  
Yaping Zhang ◽  
xijun wei ◽  
Chaohui Wei ◽  
Yingze Song
Keyword(s):  
Energy Density ◽  
High Energy ◽  
The State ◽  
High Energy Density ◽  
State Of Art

Li–S batteries (LBSs) have received extensive attention owing to their remarkable theoretical capacity (1672 mA h g–1) and high energy density (2600 Wh kg–1), far beyond the state of art...

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