Wearable superhigh energy density supercapacitors using a hierarchical ternary metal selenide composite of CoNiSe2 microspheres decorated with CoFe2Se4 nanorods

2018 ◽  
Vol 6 (17) ◽  
pp. 7439-7448 ◽  
Author(s):  
Chandu V. V. Muralee Gopi ◽  
Araveeti Eswar Reddy ◽  
Hee-Je Kim
Keyword(s):  
Energy Density ◽  
Superhigh Energy ◽  
Symmetric Supercapacitor ◽  
Ternary Metal

A composite of hierarchical CoNiSe2 (CNS) microspheres decorated with a CoFe2Se4 (CFS) nanorod-like architecture was successfully synthesized and the assembled symmetric supercapacitor achieves a superhigh energy density.

Flexible symmetric supercapacitor with ultrahigh energy density based on NiS/MoS2@N-rGO hybrids electrode

2019 ◽  
Vol 543 ◽  
pp. 147-155 ◽  
Author(s):  
Xiaobing Xu ◽  
Wei Zhong ◽  
Xi Zhang ◽  
Jin Dou ◽  
Zhigang Xiong ◽  
...  
Keyword(s):  
Energy Density ◽  
Ultrahigh Energy ◽  
Symmetric Supercapacitor

scholarly journals Toward Flexible Zinc‐Ion Hybrid Capacitors with Superhigh Energy Density and Ultralong Cycling Life: The Pivotal Role of ZnCl 2 Salt‐Based Electrolytes

2020 ◽  
Vol 133 (2) ◽  
pp. 1003-1010
Author(s):  
Cheng Wang ◽  
Zengxia Pei ◽  
Qiangqiang Meng ◽  
Chunmei Zhang ◽  
Xiao Sui ◽  
...  
Keyword(s):  
Energy Density ◽  
Zinc Ion ◽  
Pivotal Role ◽  
Superhigh Energy ◽  
Hybrid Capacitors ◽  
Cycling Life

Ultrahigh energy density of a N, O codoped carbon nanosphere based all-solid-state symmetric supercapacitor

2019 ◽  
Vol 7 (3) ◽  
pp. 1177-1186 ◽  
Author(s):  
Ziyang Song ◽  
Dazhang Zhu ◽  
Liangchun Li ◽  
Tao Chen ◽  
Hui Duan ◽  
...  
Keyword(s):  
Solid State ◽  
Energy Density ◽  
Ultrahigh Energy ◽  
Carbon Nanospheres ◽  
Symmetric Supercapacitor

A novel quinone–amine route is developed to fabricate N, O codoped carbon nanospheres for an all-solid-state supercapacitor with an ultrahigh energy density.

The fascinating supercapacitive performance of activated carbon electrodes with enhanced energy density in multifarious electrolytes

2020 ◽  
Vol 4 (6) ◽  
pp. 3029-3041 ◽  
Author(s):  
M. Karnan ◽  
A. G. Karthick Raj ◽  
K. Subramani ◽  
S. Santhoshkumar ◽  
M. Sathish
Keyword(s):  
Activated Carbon ◽  
Energy Density ◽  
Power Density ◽  
Porous Carbon ◽  
High Energy ◽  
Carbon Electrodes ◽  
Supercapacitive Performance ◽  
Symmetric Supercapacitor

The effect of electrolytes on activated porous carbon was extensively studied using different electrolytes. A symmetric supercapacitor cell in redox additive electrolyte delivered a high energy (58.5 W h kg−1) and power density (9 kW kg−1).

Electrochemically Reduced Ultra-high Mass Loading Three-Dimensional Carbon Nanofiber Network: A Reproducible and Stable Cell Voltage of 2.0 V and High Energy Density Symmetric Supercapacitor

Nanoscale ◽  
2021 ◽  
Author(s):  
Gunendra Prasad Ojha ◽  
Bishweshwar Pant ◽  
Jiwan Acharya ◽  
Mira Park
Keyword(s):  
Energy Density ◽  
Carbon Nanofiber ◽  
Three Dimensional ◽  
Cell Voltage ◽  
High Energy ◽  
Low Energy ◽  
High Energy Density ◽  
High Mass ◽  
Mass Loading ◽  
Symmetric Supercapacitor

Commercial supercapacitors need high mass loading of more than 10 mg cm-2 and a high working potential window to resolve the low energy density concern. Herein, we have demonstrated a...

High energy density of quasi-solid-state supercapacitor based on redox-mediated gel polymer electrolyte

RSC Advances ◽  
2016 ◽  
Vol 6 (60) ◽  
pp. 55225-55232 ◽  
Author(s):  
Kanjun Sun ◽  
Feitian Ran ◽  
Guohu Zhao ◽  
Yanrong Zhu ◽  
Yanping Zheng ◽  
...  
Keyword(s):  
Activated Carbon ◽  
Solid State ◽  
Energy Density ◽  
Polymer Electrolyte ◽  
Gel Polymer Electrolyte ◽  
High Energy ◽  
High Energy Density ◽  
Symmetric Supercapacitor

A novel redox-mediated gel polymer (PVA–H2SO4–ARS) is prepared, and a symmetric supercapacitor using the gel polymer as electrolyte and activated carbon as electrode is also assembled.

Nano-dimensional iron tungstate for super high energy density symmetric supercapacitor with redox electrolyte

2019 ◽  
Vol 23 (12) ◽  
pp. 3459-3465 ◽  
Author(s):  
Sagar Jadhav ◽  
Pratiksha D. Donolikar ◽  
Nilesh R. Chodankar ◽  
Tukaram D. Dongale ◽  
Deepak P. Dubal ◽  
...  
Keyword(s):  
Energy Density ◽  
High Energy ◽  
High Energy Density ◽  
Redox Electrolyte ◽  
Symmetric Supercapacitor
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