scholarly journals Non-aqueous energy storage devices using graphene nanosheets synthesized by green route

AIP Advances ◽  
2013 ◽  
Vol 3 (4) ◽  
pp. 042112 ◽  
Author(s):  
Dattakumar Mhamane ◽  
Anil Suryawanshi ◽  
Abhik Banerjee ◽  
Vanchiappan Aravindan ◽  
Satishchandra Ogale ◽  
...  
Keyword(s):  
Energy Storage ◽  
Graphene Nanosheets ◽  
Energy Storage Devices ◽  
Storage Devices ◽  
Green Route

Nickel Cobaltite Nanoneedle/Porous Graphene Nanosheets Network Nanocomposite Electrodes with Ultra-High Specific Capacitance for Energy Storage Applications

2020 ◽  
Vol 975 ◽  
pp. 127-132
Author(s):  
Chih Chieh Yang ◽  
Chia Hong Lee ◽  
Tseung Yuen Tseng
Keyword(s):  
Energy Storage ◽  
Specific Capacitance ◽  
Graphene Nanosheets ◽  
Electronic Conductivity ◽  
High Specific Capacitance ◽  
Energy Storage Devices ◽  
Storage Devices ◽  
Porous Graphene ◽  
Nickel Cobaltite ◽  
High Electronic Conductivity

Nickel cobaltite has become a popular energy storage material in recent years for high performance energy storage devices because of its low lost, high electronic conductivity, high electrochemical activity and environmental benignity. Nickel cobaltite (NCO)/porous graphene nanosheets network (PG) composites were synthesized via the two-steps hydrothermal method to enhance electrochemical properties in this study. The NCO/PG composite electrode demonstrated high specific capacitance of 3965 F g-1 at the current density of 1 A g-1 compared with the value of NCO that capacitance is 644 F g-1, and it maintained the 72% of the original capacitance after 3,000 charge-discharge cycles. It showed the maximum energy density of 46.3 Wh kg-1 and maximum power density of 1450 W kg-1. The NCO/GO composite has high potential as a psudocapacitance material for energy storage devices.

MnO2-Vertical graphene nanosheets composite electrodes for energy storage devices

2016 ◽  
Vol 3 (6) ◽  
pp. 1686-1692 ◽  
Author(s):  
Subrata Ghosh ◽  
Bhavana Gupta ◽  
K. Ganesan ◽  
A. Das ◽  
M. Kamruddin ◽  
...  
Keyword(s):  
Energy Storage ◽  
Graphene Nanosheets ◽  
Composite Electrodes ◽  
Energy Storage Devices ◽  
Storage Devices

An aqueous hybrid electrolyte for low-temperature zinc-based energy storage devices

2020 ◽  
Vol 13 (10) ◽  
pp. 3527-3535 ◽  
Author(s):  
Nana Chang ◽  
Tianyu Li ◽  
Rui Li ◽  
Shengnan Wang ◽  
Yanbin Yin ◽  
...  
Keyword(s):  
Energy Storage ◽  
Low Temperature ◽  
Energy Storage Devices ◽  
Storage Devices

A frigostable aqueous hybrid electrolyte enabled by the solvation interaction of Zn2+–EG is proposed for low-temperature zinc-based energy storage devices.

Ultrathin Carbon Nanosheets for Highly-efficient Capacitive K-ion and Zn-ion Storage

2020 ◽  
Author(s):  
Yamin Zhang ◽  
Zhongpu Wang ◽  
Deping Li ◽  
Qing Sun ◽  
Kangrong Lai ◽  
...  
Keyword(s):  
Energy Storage ◽  
Porous Carbon ◽  
Metal Ion ◽  
Rate Capability ◽  
Energy Storage Devices ◽  
Capacity Retention ◽  
Carbon Nanosheets ◽  
Storage Devices ◽  
High Efficient ◽  
Ion Storage

<p></p><p>Porous carbon has attracted extensive attentions as the electrode material for various energy storage devices considering its advantages like high theoretical capacitance/capacity, high conductivity, low cost and earth abundant inherence. However, there still exists some disadvantages limiting its further applications, such as the tedious fabrication process, limited metal-ion transport kinetics and undesired structure deformation at harsh electrochemical conditions. Herein, we report a facile strategy, with calcium gluconate firstly reported as the carbon source, to fabricate ultrathin porous carbon nanosheets. <a>The as-prepared Ca-900 electrode delivers excellent K-ion storage performance including high reversible capacity (430.7 mAh g<sup>-1</sup>), superior rate capability (154.8 mAh g<sup>-1</sup> at an ultrahigh current density of 5.0 A g<sup>-1</sup>) and ultra-stable long-term cycling stability (a high capacity retention ratio of ~81.2% after 4000 cycles at 1.0 A g<sup>-1</sup>). </a>Similarly, when being applied in Zn-ion capacitors, the Ca-900 electrode also exhibits an ultra-stable cycling performance with ~90.9% capacity retention after 4000 cycles at 1.0 A g<sup>-1</sup>, illuminating the applicable potentials. Moreover, the origin of the fast and smooth metal-ion storage is also revealed by carefully designed consecutive CV measurements. Overall, considering the facile preparation strategy, unique structure, application flexibility and in-depth mechanism investigations, this work will deepen the fundamental understandings and boost the commercialization of high-efficient energy storage devices like potassium-ion/sodium-ion batteries, zinc-ion batteries/capacitors and aluminum-ion batteries.</p><br><p></p>

Carbothermal conversion of boric acid into boron-oxy-carbide nanostructures for high-power supercapacitors

2021 ◽  
Author(s):  
Dhanasekar Kesavan ◽  
Vimal Kumar Mariappan ◽  
Karthikeyan Krishnamoorthy ◽  
Sang-Jae Kim
Keyword(s):  
Energy Storage ◽  
Boric Acid ◽  
High Power ◽  
Electrochemical Energy Storage ◽  
Energy Storage Devices ◽  
Storage Devices ◽  
Carbothermal Method ◽  
Electrochemical Energy

In this study, we report a facile carbothermal method for the preparation of boron-oxy-carbide (BOC) nanostructures and explore their properties towards electrochemical energy storage devices.

Surface modification of cathode materials for energy storage devices: A review

2021 ◽  
pp. 127009
Author(s):  
Manika Chaudhary ◽  
Shrestha Tyagi ◽  
Ram K. Gupta ◽  
Beer Pal Singh ◽  
Rahul Singhal
Keyword(s):  
Surface Modification ◽  
Energy Storage ◽  
Cathode Materials ◽  
Energy Storage Devices ◽  
Storage Devices

Electrode thickness design toward bulk energy storage devices with high areal/volumetric energy density

2021 ◽  
Vol 289 ◽  
pp. 116734 ◽  
Author(s):  
Feng Wang ◽  
Lin Zhang ◽  
Qian Zhang ◽  
Jinjiang Yang ◽  
Gaigai Duan ◽  
...  
Keyword(s):  
Energy Storage ◽  
Energy Density ◽  
Energy Storage Devices ◽  
Electrode Thickness ◽  
Storage Devices ◽  
Bulk Energy
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