Hybrid energy storage: the merging of battery and supercapacitor chemistries

The hybrid approach allows for a reinforcing combination of properties of dissimilar components in synergic combinations. From hybrid materials to hybrid devices the approach offers opportunities to tackle much needed improvements in the performance of energy storage devices. This paper reviews the...

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Bibliographic Details
Published in:Chemical Society reviews 2015-04, Vol.44 (7), p.1777-179
Main Authors: Dubal, D. P, Ayyad, O, Ruiz, V, Gómez-Romero, P
Format: Article
Language:English
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Summary:The hybrid approach allows for a reinforcing combination of properties of dissimilar components in synergic combinations. From hybrid materials to hybrid devices the approach offers opportunities to tackle much needed improvements in the performance of energy storage devices. This paper reviews the different approaches and scales of hybrids, materials, electrodes and devices striving to advance along the diagonal of Ragone plots, providing enhanced energy and power densities by combining battery and supercapacitor materials and storage mechanisms. Furthermore, some theoretical aspects are considered regarding the possible hybrid combinations and tactics for the fabrication of optimized final devices. All of it aiming at enhancing the electrochemical performance of energy storage systems. The integration of capacitive and faradaic energy storage mechanism in the form of hybrid materials, electrodes and devices aims at increasing energy and power densities for the next generation of electrochemical energy storage devices.
ISSN:0306-0012
1460-4744
DOI:10.1039/c4cs00266k