Long-term performance of hydrogen-bromine flow batteries using single-layered and multi-layered wire-electrospun SPEEK/PFSA/PVDF membranes

Abbasi, Sanaz; Hugo, Yohanes Antonius; Borneman, Zandrie; Kout, Wiebrand; Nijmeijer, Kitty

doi:10.1039/d3se01670f

Sustainable Energy Fuels

2024

DOI: 10.1039/d3se01670f

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Long-term performance of hydrogen-bromine flow batteries using single-layered and multi-layered wire-electrospun SPEEK/PFSA/PVDF membranes

Sanaz Abbasi,

Yohanes Antonius Hugo,

Zandrie Borneman

et al.

Abstract: Sulfonated poly(ether ether ketone) (SPEEK), perfluorosulfonic acid (PFSA), and polyvinylidene fluoride (PVDF) were wire-electrospun. Subsequently, multiple electrospun layers in different arrangements were hot-pressed into sustainable membranes for use in hydrogen-bromine...

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Impact of Bromine Complexing Agents and Battery Construction on Hydrogen–Bromine Redox Flow Battery Performance

Zhang,

Qiu,

et al. 2024

ACS Appl. Energy Mater.

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Hydrogen−bromine redox flow batteries (HBFBs) offer significant advantages in energy storage, including high energy capacity, efficient round-trip conversion, and low cost, positioning them as optimal solutions for grid applications. However, HBFBs are susceptible to issues such as self-discharge, the bromine shuttle effect, high Br 2 vapor pressure, poisoning, and corrosion. Bromine complexing agents (BCAs) have been employed to mitigate these challenges, albeit with drawbacks such as reduced electrolyte conductivity, catalyst site blockage, and diffusion limitation. This review explores the impact of BCAs on the performance of HBFBs, focusing on cell structures such as electrolytes, membranes, and electrodes. Recent research progress in membrane materials and Pt catalysts is summarized to address these issues, and future prospects and challenges for high-performance HBFBs development are discussed.

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Impact of Bromine Complexing Agents and Battery Construction on Hydrogen–Bromine Redox Flow Battery Performance

Zhang,

Qiu,

et al. 2024

ACS Appl. Energy Mater.

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Effect of Hydrogen Pressure on The Mass Transfer Characteristics of Hydrogen-Bromine Flow Battery Electrodes

Ochoa Fajardo,

Mul,

Lammertink

2024

J. Electrochem. Soc.

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The mass transfer characteristics of porous carbon electrodes in the liquid side of a hydrogen bromine redox flow battery (H2-Br2 RFB) were investigated under compressive deformation caused by operation at high hydrogen pressure. Here, flow cell measurements of permeability and micro-particle image velocimetry (μPIV), alongside electrochemical measurements of capacitance and battery discharge were used to characterize changes in the liquid side electrode compression, in-plane liquid flow, accessible surface area, polarization, and mass transfer scaling brought by hydrogen pressure. We studied two electrode types with different structures, carbon paper and carbon cloth, in untreated well as heat-treated forms in the pressure range 0-8 bar H2. It was found that pressure-induced compression of the liquid side electrode increases the accessible area of untreated electrodes, with little effect on heat-treated electrodes, but decreases the electrochemical performance of the battery in all cases by increasing the ohmic resistance of the cell and decreasing the mass transfer coefficient of the porous electrode. Overall, heat treatment is shown to affect the rigidity, saturation behavior, and generalized mass transfer of paper electrodes but not of cloth electrodes. We hope our findings will guide the selection of electrode materials and operation parameters for the H2-Br2 RFB.

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Long-term performance of hydrogen-bromine flow batteries using single-layered and multi-layered wire-electrospun SPEEK/PFSA/PVDF membranes

Abstract: Sulfonated poly(ether ether ketone) (SPEEK), perfluorosulfonic acid (PFSA), and polyvinylidene fluoride (PVDF) were wire-electrospun. Subsequently, multiple electrospun layers in different arrangements were hot-pressed into sustainable membranes for use in hydrogen-bromine...

Cited by 2 publications

References 35 publications

Impact of Bromine Complexing Agents and Battery Construction on Hydrogen–Bromine Redox Flow Battery Performance

Impact of Bromine Complexing Agents and Battery Construction on Hydrogen–Bromine Redox Flow Battery Performance

Effect of Hydrogen Pressure on The Mass Transfer Characteristics of Hydrogen-Bromine Flow Battery Electrodes

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