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Updated: May 29, 2026

Synthesis and Functionalization of 3D Nano-graphene Materials: Graphene Aerogels and Graphene Macro Assemblies

Synthesis and Functionalization of 3D Nano-graphene Materials: Graphene Aerogels and Graphene Macro Assemblies

Published on: November 5, 2015

Supercapacitors based on self-assembled graphene organogel.

Yiqing Sun¹, Qiong Wu, Gaoquan Shi

¹Department of Chemistry, Tsinghua University, Beijing 100084, People's Republic of China.

Physical Chemistry Chemical Physics : PCCP

|September 1, 2011

Summary

Researchers developed a self-assembled graphene organogel (SGO) for high-performance supercapacitors. This novel graphene organogel supercapacitor demonstrates superior energy density and excellent rate capability for advanced energy storage applications.

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Area of Science:

Materials Science
Electrochemistry
Nanotechnology

Background:

Graphene-based materials are promising for energy storage due to their unique properties.
Developing advanced electrode materials is crucial for enhancing supercapacitor performance.

Purpose of the Study:

To synthesize a self-assembled graphene organogel (SGO) with a 3D macrostructure.
To fabricate and evaluate SGO as an electrode material for supercapacitors.
To investigate the electrochemical performance of SGO-based supercapacitors.

Main Methods:

Solvothermal reduction of graphene oxide (GO) in propylene carbonate (PC) to form SGO.
Fabrication of supercapacitors using SGO electrodes and PC electrolyte.
Electrochemical characterization including capacitance, energy density, and power density measurements at various current densities.

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Evaluating the Electrochemical Properties of Supercapacitors using the Three-Electrode System

Evaluating the Electrochemical Properties of Supercapacitors using the Three-Electrode System

Published on: January 7, 2022

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Last Updated: May 29, 2026

Synthesis and Functionalization of 3D Nano-graphene Materials: Graphene Aerogels and Graphene Macro Assemblies

Synthesis and Functionalization of 3D Nano-graphene Materials: Graphene Aerogels and Graphene Macro Assemblies

Published on: November 5, 2015

Evaluating the Electrochemical Properties of Supercapacitors using the Three-Electrode System

Evaluating the Electrochemical Properties of Supercapacitors using the Three-Electrode System

Published on: January 7, 2022

Main Results:

The SGO supercapacitor operates over a wide voltage range (0-3 V).
Achieved a high specific capacitance of 140 F g(-1) at 1 A g(-1), retaining 90 F g(-1) at 30 A g(-1).
Demonstrated a maximum energy density of 43.5 Wh kg(-1), surpassing previous graphene-based supercapacitors.

Conclusions:

The SGO electrode material offers high specific capacitance and excellent rate capability.
SGO-based supercapacitors exhibit superior energy and power densities compared to existing technologies.
This study highlights the potential of SGO for next-generation energy storage devices.