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Issue 7, 2015
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Hybrid energy storage: the merging of battery and supercapacitor chemistries

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Abstract

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.

Graphical abstract: Hybrid energy storage: the merging of battery and supercapacitor chemistries

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Article information


Submitted
31 Jul 2014
First published
27 Jan 2015

Chem. Soc. Rev., 2015,44, 1777-1790
Article type
Tutorial Review
Author version available

Hybrid energy storage: the merging of battery and supercapacitor chemistries

D. P. Dubal, O. Ayyad, V. Ruiz and P. Gómez-Romero, Chem. Soc. Rev., 2015, 44, 1777
DOI: 10.1039/C4CS00266K

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