CNT-based Materials as Electrodes for Flexible Supercapacitors

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Gabriela Queirós
Natalia Rey-Raap
Clara Pereira
Manuel Fernando R. Pereira

Abstract

Supercapacitors are energy storage devices that have received much interest in the past decade. These devices have unique characteristics, such as high energy density, fast charging, extensive life cycle, and excellent stability. Currently, wearable electronic gadgets have appeared as an interesting application for flexible supercapacitors, in which lightness and flexibility of the electrodes are two of the most important properties. In addition, the materials used as electrodes severely affect the behavior of these devices. Carbon nanomaterials are the most proficient and most studied electrode materials in flexible supercapacitors. Among them, carbon nanotubes (CNTs) have been extensively studied owing to their excellent mechanical and electrical properties. Therefore, this short review focuses on the new progress in the use of CNT materials as electrodes in flexible energy storage devices.

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Author Biographies

Gabriela Queirós, LAQV@REQUIMTE; LSRE-LCM-Laboratory of Separation and Reaction Engineering -Laboratory of Catalysis and Materials, University of Porto

LAQV@REQUIMTE

Department of Chemistry and Biochemistry

Faculty of Sciences

University of Porto

Rua do Campo Alegre

4169-007 PORTO

Portugal

 

LSRE-LCM-Laboratory of Separation and Reaction Engineering - Laboratory of Catalysis and Materials

Department of Chemical Engineering

Faculty of Engineering

University of Porto

Rua Dr. Roberto Frias

4200-465 PORTO

Portugal

Natalia Rey-Raap, LSRE-LCM-Laboratory of Separation and Reaction Engineering -Laboratory of Catalysis and Materials, University of Porto

LSRE-LCM-Laboratory of Separation and Reaction Engineering - Laboratory of Catalysis and Materials

Department of Chemical Engineering

Faculty of Engineering

University of Porto

Rua Dr. Roberto Frias

4200-465 PORTO

Portugal

 

Department of Physical and Analytical Chemistry

Oviedo University-CINN

33006, OVIEDO

Spain

Clara Pereira, LAQV@REQUIMTE, University of Porto

LAQV@REQUIMTE

Department of Chemistry and Biochemistry

Faculty of Sciences

University of Porto

Rua do Campo Alegre

4169-007 PORTO

Portugal

Manuel Fernando R. Pereira, LSRE-LCM-Laboratory of Separation and Reaction Engineering -Laboratory of Catalysis and Materials, University of Porto

LSRE-LCM-Laboratory of Separation and Reaction Engineering - Laboratory of Catalysis and Materials

Department of Chemical Engineering

Faculty of Engineering

University of Porto

Rua Dr. Roberto Frias

4200-465 PORTO

Portugal