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The next generation vanadium flow batteries with high power density – a perspective

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Abstract

Vanadium flow batteries (VFBs) have received increasing attention due to their attractive features for large-scale energy storage applications. However, the relatively high cost and severe polarization of VFB energy storage systems at high current densities restrict their utilization in practical industrial applications. Optimization of the performance of key VFB materials, including electrodes, electrolytes and membranes, can realize simultaneous minimization of polarization and capacity decay. The power density and energy density of VFBs are thus simultaneously enhanced. Moreover, relevant theoretical mechanisms and foundations based on virtual investigations of VFB models and simulations can guide these optimizations. The improved power density and energy density can reduce the cost of VFB energy storage systems, accelerating their successful industrialization. In this perspective, modification methods to optimize the performance of key VFB materials and investigations of models and simulations of VFBs will be discussed. Therefore, the available ideas and approaches will be provided to direct further improvements in the power density and energy density of VFB systems.

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Publication details

The article was received on 04 Nov 2017, accepted on 24 Nov 2017 and first published on 06 Dec 2017


Article type: Perspective
DOI: 10.1039/C7CP07456E
Citation: Phys. Chem. Chem. Phys., 2018, Advance Article
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    The next generation vanadium flow batteries with high power density – a perspective

    W. Lu, X. Li and H. Zhang, Phys. Chem. Chem. Phys., 2018, Advance Article , DOI: 10.1039/C7CP07456E

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