The design engineering of nanocatalysts for high power redox flow batteries

Lan, Jinji; Wu, Huilei; Yang, Le; Chen, Jiajia

doi:10.1039/d4nr00689e

Nanoscale

2024

DOI: 10.1039/d4nr00689e

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The design engineering of nanocatalysts for high power redox flow batteries

Jinji Lan,

Huilei Wu,

Le Yang

et al.

Abstract: Redox flow battery (RFB) is one of the most promising long-term energy storage technologies which utilize the redox reaction of active species to realize charge and discharge. With the decoupled...

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References 90 publications

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Decoupling Variable Capacitance and Diffusive Components of Active Solid–Liquid Interfaces with Flex Points

Deehan,

Kaushik,

Chaudhary

et al. 2024

ACS Meas. Sci. Au

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Understanding the current transport characteristics of electrode interfaces is essential for optimizing device performance across a wide range of applications including bio-/chemical sensing and energy storage sectors. Cyclic voltammetry (CV) is a popular method for studying interfacial properties, particularly those involving redox systems. However, it remains challenging to differentiate between electron movements that contribute to capacitive and diffusive behaviors. In this study, we introduce a technique called flex point analysis, which uses a single differentiation step to separate capacitive and diffusive electron movements at the electrode interface during a redox reaction. Our results show that the variable capacitance at the electrode surface exhibited both positive and negative values on the order of 10 −6 (micro) Farad. This approach provides a clearer understanding of interfacial electron dynamics, enhancing the interpretation of CV data and potentially improving the design and optimization of related materials and devices.

show abstract

Decoupling Variable Capacitance and Diffusive Components of Active Solid–Liquid Interfaces with Flex Points

Deehan,

Kaushik,

Chaudhary

et al. 2024

ACS Meas. Sci. Au

View full text Add to dashboard Cite

show abstract

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The design engineering of nanocatalysts for high power redox flow batteries

Abstract: Redox flow battery (RFB) is one of the most promising long-term energy storage technologies which utilize the redox reaction of active species to realize charge and discharge. With the decoupled...

Cited by 1 publication

References 90 publications

Decoupling Variable Capacitance and Diffusive Components of Active Solid–Liquid Interfaces with Flex Points

Decoupling Variable Capacitance and Diffusive Components of Active Solid–Liquid Interfaces with Flex Points

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