scholarly journals In Situ Binder-Free and Hydrothermal Growth of Nanostructured NiCo2S4/Ni Electrodes for Solid-State Hybrid Supercapacitors

Energies ◽  
2021 ◽  
Vol 14 (21) ◽  
pp. 7114
Author(s):  
M. Mohamed Ismail ◽  
Zhong-Yun Hong ◽  
M. Arivanandhan ◽  
Thomas Chung-Kuang Yang ◽  
Guan-Ting Pan ◽  
...  
Keyword(s):  
Solid State ◽  
Hydrothermal Method ◽  
Negative Electrode ◽  
Ni Foam ◽  
Hybrid Supercapacitors ◽  
Storage Behavior ◽  
Binder Free ◽  
Cbd Method ◽  
Power Densities

Herein, we report a comparison of the electrochemical performance of two kinds of NiCo2S4-based electrodes for solid-state hybrid supercapacitors (HSCs). For the binder-free electrode, NiCo2S4 was grown on Ni foam by the chemical bath deposition (CBD) method. For the binder-using electrode, NiCo2S4 powder was synthesized by the hydrothermal method. FESEM images depicted the hierarchical nanostructure of NiCo2S4 synthesized by the hydrothermal method and uniform distribution of nanostructured NiCo2S4 grown on Ni foam by the CBD method. Half-cell studies of both NiCo2S4 electrodes showed them exhibiting battery-type charge storage behavior. To assemble HSCs, NiCo2S4 and activated carbon were used as a positive and negative electrode, respectively. Electrochemical studies of the HSCs showed that the accessible potential window was wide, up to 2.6 V, through cyclic voltammetry (CV) analysis. Chronopotentiometry (CP) studies revealed that the energy and power densities of binder-using HSC were 51.24 Wh/kg and 13 kW/kg at 1 Ag−1, respectively, which were relatively higher than those of the binder-free HSC. The binder-free HSC showed 52% cyclic stability, relatively higher than that of the binder-using HSC. Both HSCs, with unique benefits and burdens on energy storage performance, are discussed in this work.

In situ preparation of MgCo2O4 nanosheets on Ni-foam as a binder-free electrode for high performance hybrid supercapacitors

2018 ◽  
Vol 47 (19) ◽  
pp. 6722-6728 ◽  
Author(s):  
Subbukalai Vijayakumar ◽  
Sadayappan Nagamuthu ◽  
Kwang-Sun Ryu
Keyword(s):  
High Performance ◽  
Specific Capacity ◽  
Ni Foam ◽  
Hybrid Supercapacitors ◽  
In Situ Preparation ◽  
Binder Free

MgCo2O4 nanosheets grown on Ni-foam exhibited a maximum specific capacity of 947 C g−1 at 2 A g−1.

Vertical-slate-like MoS2 nanostructures on 3D-Ni-foam for binder-free, low-cost, and scalable solid-state symmetric supercapacitors

2019 ◽  
Vol 19 (1) ◽  
pp. 1-7 ◽  
Author(s):  
Rajneesh Kumar Mishra ◽  
Ajay Kumar Kushwaha ◽  
Seungyeob Kim ◽  
Seung Gi Seo ◽  
Sung Hun Jin
Keyword(s):  
Solid State ◽  
Low Cost ◽  
Ni Foam ◽  
Binder Free

Facile synthesis and catalytic performance of Co3O4nanosheets in situ formed on reduced graphene oxide modified Ni foam

2017 ◽  
Vol 46 (40) ◽  
pp. 13845-13853 ◽  
Author(s):  
Congying Song ◽  
Xianzhi Yin ◽  
Biaopeng Li ◽  
Ke Ye ◽  
Kai Zhu ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Hydrothermal Method ◽  
Reduced Graphene Oxide ◽  
Three Dimensional ◽  
Catalytic Performance ◽  
Ni Foam ◽  
Facile Synthesis ◽  
Reduced Graphene ◽  
Catalyst Electrode

A three-dimensional (3D) catalyst electrode of Co3O4nanosheetsin situformed on reduced graphene oxide modified Ni foam (Co3O4/rGO@Ni foam) for H2O2electroreduction is prepared by a two-step hydrothermal method.

Ionic Liquid‐Controlled Growth of NiCo 2 S 4 3D Hierarchical Hollow Nanoarrow Arrays on Ni Foam for Superior Performance Binder Free Hybrid Supercapacitors

Small ◽  
2018 ◽  
pp. 1804318 ◽  
Author(s):  
Yingxue Cui ◽  
Jing Zhang ◽  
Cen Jin ◽  
Yanxia Liu ◽  
Wenhao Luo ◽  
...  
Keyword(s):  
Ionic Liquid ◽  
Superior Performance ◽  
Controlled Growth ◽  
Ni Foam ◽  
Hybrid Supercapacitors ◽  
Binder Free

In Situ Growth of 2D Ultrathin NiCo 2 O 4 Nanosheet Arrays on Ni Foam for High Performance and Flexible Solid‐State Supercapacitors

Small ◽  
2020 ◽  
Vol 16 (44) ◽  
pp. 2004188
Author(s):  
Xiaofeng Zhang ◽  
Feng Yang ◽  
Haixin Chen ◽  
Kun Wang ◽  
Junwei Chen ◽  
...  
Keyword(s):  
Solid State ◽  
High Performance ◽  
In Situ Growth ◽  
Ni Foam ◽  
Nanosheet Arrays

In-situ synthesis of hierarchical Mn-decorated NiCo2S4 nanosheet arrays on Ni foam as binder-free electrodes for high-performance supercapacitors

2017 ◽  
Vol 28 (19) ◽  
pp. 14646-14654
Author(s):  
Jicai Liang ◽  
Peng Sun ◽  
Guangyi Chen ◽  
Wanxi Zhang ◽  
Kaiyuan Zhou ◽  
...  
Keyword(s):  
High Performance ◽  
In Situ Synthesis ◽  
Ni Foam ◽  
Nanosheet Arrays ◽  
Binder Free

A high-performance flexible and weavable asymmetric fiber-shaped solid-state supercapacitor enhanced by surface modifications of carbon fibers with carbon nanotubes

2016 ◽  
Vol 4 (46) ◽  
pp. 18164-18173 ◽  
Author(s):  
Xiaoyu Lu ◽  
Yang Bai ◽  
Ranran Wang ◽  
Jing Sun
Keyword(s):  
Carbon Nanotubes ◽  
Activated Carbon ◽  
Solid State ◽  
Carbon Fiber ◽  
Carbon Fibers ◽  
High Performance ◽  
Negative Electrode ◽  
Surface Modifications ◽  
High Energy ◽  
Power Densities

A carbon fiber-based positive electrode enhanced by CNT modification with NiCo(OH)x and a negative electrode functionalized with activated carbon were prepared. The supercapacitor showed high energy and power densities.

Hierarchical three-dimensional NiCo2O4 nanoneedle arrays supported on Ni foam for high-performance supercapacitors

RSC Advances ◽  
2015 ◽  
Vol 5 (32) ◽  
pp. 25304-25311 ◽  
Author(s):  
Jian Wu ◽  
Rui Mi ◽  
Shaomin Li ◽  
Pan Guo ◽  
Jun Mei ◽  
...  
Keyword(s):  
Electrochemical Performance ◽  
Hydrothermal Method ◽  
High Performance ◽  
Three Dimensional ◽  
Ni Foam ◽  
One Step ◽  
Binder Free

A novel NiCo2O4 nanoneedle arrays with bottom crosslinked nanosheets grew on Ni foam as advanced binder-free electrodes via a facile one-step hydrothermal method followed by annealing in air, which exhibited high electrochemical performance.

The construction of a 2D MoS2-based binder-free electrode with a honeycomb structure for enhanced electrochemical performance

2020 ◽  
Vol 49 (24) ◽  
pp. 8036-8040
Author(s):  
Shaokun Yin ◽  
Chao Li ◽  
Shicun Wang ◽  
Xiangkui Ren ◽  
Liang Zeng ◽  
...  
Keyword(s):  
Electrochemical Performance ◽  
Honeycomb Structure ◽  
Ni Foam ◽  
Binder Free ◽  
Enhanced Electrochemical Performance

MoS2 is in situ grown on Ni foam while maintaining a 2D morphology and a MoS2/Ni3S2/NF electrode is obtained with a 3D honeycomb microstructure.

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