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MOS Capacitor

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Expanded Graphite-Based Materials for Supercapacitors: A Review.

Dan Zhang¹, Chao Tan¹, Weizhuo Zhang²

¹Shaanxi Key Laboratory of Catalysis, School of Chemistry and Environment Science, Shaanxi University of Technology, Hanzhong 723001, China.

Molecules (Basel, Switzerland)

|February 15, 2022

Summary

This summary is machine-generated.

Expanded graphite (EG) shows promise as an electrode material for supercapacitors due to its excellent properties. This review covers EG-based materials for supercapacitors, discussing their prospects and challenges.

Keywords:

asymmetric supercapacitor expanded graphite lithium-ion hybrid capacitors supercapacitor symmetric supercapacitor

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Area of Science:

Materials Science
Electrochemistry
Energy Storage

Background:

Supercapacitors are recognized for high power density, rapid charge/discharge, and robust cycle performance.
Expanded graphite (EG) is a promising electrode material for supercapacitors, offering superior physical, chemical, electrical, and mechanical characteristics.

Purpose of the Study:

To review the progress of expanded graphite (EG)-based materials as electrode materials in supercapacitors.
To discuss the future applications and challenges associated with EG-based materials in supercapacitor technology.

Main Methods:

Literature review of studies on expanded graphite (EG) for supercapacitor electrodes.
Categorization of supercapacitors based on charge storage mechanisms (symmetric, asymmetric, hybrid).

Main Results:

Expanded graphite (EG) demonstrates significant potential as an electrode material for various supercapacitor types.
EG-based materials exhibit favorable properties for high-performance energy storage devices.

Conclusions:

Expanded graphite (EG) is a key material for advancing supercapacitor technology.
Further research is needed to overcome challenges and fully realize the application prospects of EG in supercapacitors.