3D hierarchical porous carbon matching ionic liquid with ultrahigh specific surface area and appropriate porous distribution for supercapacitors

Nanoscale ◽  
2021 ◽  
Author(s):  
Quanzhou Du ◽  
Yuhua Zhao ◽  
Kelei Zhuo ◽  
Yujuan Chen ◽  
Lifang Yang ◽  
...  
Keyword(s):  
Ionic Liquid ◽  
Porous Carbon ◽  
Low Energy ◽  
Carbon Electrodes ◽  
High Power Density ◽  
Hierarchical Porous Carbon ◽  
Energy Storage Devices ◽  
Storage Devices ◽  
Hierarchical Porous ◽  
Porous Carbon Electrodes

Supercapacitors, as one of the most promising energy storage devices, have high power density but low energy density. An appropriate collocation of porous carbon electrodes and ionic liquid electrolytes can...

High-energy sodium-ion capacitor assembled by hierarchical porous carbon electrodes derived from Enteromorpha

2018 ◽  
Vol 53 (9) ◽  
pp. 6763-6773 ◽  
Author(s):  
Xiao Liu ◽  
Huanlei Wang ◽  
Yongpeng Cui ◽  
Xiaonan Xu ◽  
Hao Zhang ◽  
...  
Keyword(s):  
Porous Carbon ◽  
High Energy ◽  
Sodium Ion ◽  
Carbon Electrodes ◽  
Hierarchical Porous Carbon ◽  
Hierarchical Porous ◽  
Porous Carbon Electrodes

scholarly journals Hierarchical Porous Carbon Electrodes with Sponge-Like Edge Structures for the Sensitive Electrochemical Detection of Heavy Metals

Sensors ◽  
2021 ◽  
Vol 21 (4) ◽  
pp. 1346
Author(s):  
Jongmin Lee ◽  
Soosung Kim ◽  
Heungjoo Shin
Keyword(s):  
Heavy Metal ◽  
Porous Carbon ◽  
Active Sites ◽  
Microelectromechanical Systems ◽  
Nanoporous Carbon ◽  
Carbon Electrodes ◽  
Current Response ◽  
Hierarchical Porous Carbon ◽  
Hierarchical Porous ◽  
Porous Carbon Electrodes

This article presents the development of a highly sensitive electrochemical heavy metal sensor based on hierarchical porous carbon electrodes with sponge-like edge structures. Micrometer-scale hierarchical nanoporous carbon electrodes were fabricated at a wafer-scale using cost-effective batch microfabrication technologies, including the carbon microelectromechanical systems technology and oxygen plasma etching. The sponge-like hierarchical porous structure and sub-micrometer edges of the nanoporous carbon electrodes facilitate fast electron transfer rate and large active sites, leading to the efficient formation of dense heavy metal alloy particles of small sizes during the preconcentration step. This enhanced the peak current response during the square wave anodic stripping voltammetry, enabling the detection of Cd(II) and Pb(II) at concentrations as low as 0.41 and 0.7 μg L−1, respectively, with high sensitivity per unit sensing area (Cd: 109.45 nA μg−1 L mm−2, Pb: 100.37 nA μg−1 L mm−2).

Highly accessible hierarchical porous carbon from a bi-functional ionic liquid bulky gel: high-performance electrochemical double layer capacitors

2019 ◽  
Vol 7 (44) ◽  
pp. 25297-25304 ◽  
Author(s):  
Yang Yan ◽  
Xiao-Feng Hao ◽  
Li-guo Gao ◽  
Si-si Lin ◽  
Nan Cui ◽  
...  
Keyword(s):  
Ionic Liquid ◽  
Porous Carbon ◽  
High Performance ◽  
High Surface ◽  
High Surface Area ◽  
Liquid Electrolyte ◽  
Hierarchical Porous Carbon ◽  
Ionic Liquid Electrolyte ◽  
Hierarchical Porous ◽  
Electrochemical Double Layer

The graphene-based hierarchical porous carbon GGI has high surface area, dual-doping, micro/meso-pores and exhibits good compatibility with the ionic liquid electrolyte EmimTFSI.

Metal coordination enhanced Ni–Co@N-doped porous carbon core–shell microsphere bi-functional electrocatalyst and its application in rechargeable zinc/air batteries

RSC Advances ◽  
2016 ◽  
Vol 6 (86) ◽  
pp. 83386-83392 ◽  
Author(s):  
Mengran Wang ◽  
Yexiang Liu ◽  
Kai Zhang ◽  
Fan Yu ◽  
Furong Qin ◽  
...  
Keyword(s):  
Energy Storage ◽  
Power Density ◽  
High Power ◽  
Porous Carbon ◽  
Core Shell ◽  
High Power Density ◽  
Energy Storage Devices ◽  
Storage Devices ◽  
Carbon Core ◽  
Zinc Air Batteries

Primary and rechargeable zinc/air batteries could be the next generation of energy storage devices because of their high power density and safety.

Ionothermal synthesis of microporous and mesoporous carbon aerogels from fructose as electrode materials for supercapacitors

2016 ◽  
Vol 4 (12) ◽  
pp. 4497-4505 ◽  
Author(s):  
Xiao-Xiao Lin ◽  
Bin Tan ◽  
Lu Peng ◽  
Zhao-Feng Wu ◽  
Zai-Lai Xie
Keyword(s):  
Ionic Liquid ◽  
Porous Carbon ◽  
Mesoporous Carbon ◽  
Electrode Materials ◽  
Carbon Aerogels ◽  
Hierarchical Porous Carbon ◽  
Ionothermal Synthesis ◽  
Hierarchical Porous ◽  
One Step ◽  
Iron Based

In the present work, a series of hierarchical porous carbon monoliths were prepared from fructoseviaa one-step ionothermal carbonization approach using an iron-based ionic liquid as solvent, and a porogenic agent.

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