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Redox electrode materials for supercapatteries

Yu, Linpo; Chen, George Z.

Redox electrode materials for supercapatteries Thumbnail


Linpo Yu


© 2016 Elsevier B.V. Redox electrode materials, including transition metal oxides and electronically conducting polymers, are capable of faradaic charge transfer reactions, and play important roles in most electrochemical energy storage devices, such as supercapacitor, battery and supercapattery. Batteries are often based on redox materials with low power capability and safety concerns in some cases. Supercapacitors, particularly those based on redox inactive materials, e.g. activated carbon, can offer high power output, but have relatively low energy capacity. Combining the merits of supercapacitor and battery into a hybrid, the supercapattery can possess energy as much as the battery and output a power almost as high as the supercapacitor. Redox electrode materials are essential in the supercapattery design. However, it is hard to utilise these materials easily because of their intrinsic characteristics, such as the low conductivity of metal oxides and the poor mechanical strength of conducting polymers. This article offers a brief introduction of redox electrode materials, the basics of supercapattery and its relationship with pseudocapacitors, and reviews selectively some recent progresses in the relevant research and development.

Journal Article Type Article
Acceptance Date Apr 20, 2016
Online Publication Date May 6, 2016
Publication Date Sep 15, 2016
Deposit Date Jun 6, 2016
Publicly Available Date Jun 6, 2016
Journal Journal of Power Sources
Print ISSN 0378-7753
Electronic ISSN 0378-7753
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 326
Pages 604-612
Keywords Redox materials; Pseudocapacitance; Capacitive faradaic process; Non-capacitive faradaic process; Supercapattery; Supercapacitor
Public URL
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Additional Information This article is maintained by: Elsevier; Article Title: Redox electrode materials for supercapatteries; Journal Title: Journal of Power Sources; CrossRef DOI link to publisher maintained version:; Content Type: article; Copyright: © 2016 Elsevier B.V. All rights reserved.


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