Electrode laminated with ion-selective blocking layer for use in vanadium redox flow batteries

Mara Ikhsan, Muhammad; Abbas, Saleem; Choi, Seung-Young; Do, Xuan Huy; Ha, Heung Yong; Bentien, Anders; Azizi, Kobra; Hjuler, Hans Aage; Henkensmeier, Dirk

doi:10.1016/j.mtchem.2023.101830

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Types Of Redox Flow Battery Technology1

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2024

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Cited by 2 publications

(1 citation statement)

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“…After the invention of the first RFB (iron–chromium RFB) by Thallet at NASA in 1974, different RFBs were developed based on metallic active species as catholyte and anolyte. Among existing metal based RFBs, iron–titanium, 73 all vanadium, 74–80 iron–vanadium, 68,81–83 vanadium–bromine, 84,85 vanadium–cerium, 86–89 etc. have been developed.…”

Section: Types Of Redox Flow Battery Technologymentioning

confidence: 99%

Beyond conventional batteries: a review on semi-solid and redox targeting flow batteries-LiFePO₄ as a case study

El Halya,

Tayoury,

Aqil

et al. 2024

Sustainable Energy Fuels

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Section: Types Of Redox Flow Battery Technologymentioning

confidence: 99%

Beyond conventional batteries: a review on semi-solid and redox targeting flow batteries-LiFePO₄ as a case study

El Halya,

Tayoury,

Aqil

et al. 2024

Sustainable Energy Fuels

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Sulfonated Polystyrene/Polybenzimidazole Bilayer Membranes for Vanadium Redox Flow Batteries

Ikhsan,

Abbas,

et al. 2024

Advanced Energy Materials

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Polybenzimidazole has been widely examined as a separator for vanadium redox flow batteries (VRFBs) due to its low vanadium permeability. Its low conductivity can be tackled by combining 1–4 µm thin dense PBI layers with highly conductive mechanically supporting layers, either by lamination or loose stacking. While gel‐PBI is very soft and conductive, the shadow effect of the non‐conductive pore walls of porous supports adds resistance. In this work, these issues are addressed by coating a 25 µm thick highly conductive sulfonated polystyrene layer (S) with a 1 µm thin selective PBI layer (P) to block vanadium crossover. To reduce the number of potential defects, two bilayer membranes can be stacked. A 52 µm thick stack of two membranes (PS–SP, PBI faces the electrodes) shows an area‐specific resistance of 144.8 mΩ cm2 in VO2+‐containing electrolyte and a permeability of 6.85 × 10−14 m2 s−1, both lower than the values for Nafion 212. A VRFB cell test over 3500 charging cycles (1660 h) with an energy efficiency of up to 88.5% at 100 mA cm−2 is shown. Performance losses are reversed by electrolyte rebalancing. With material costs of 1.84 USD m−2, the PSSP(1‐25‐25‐1) membrane promises high performance at low costs.

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Electrode laminated with ion-selective blocking layer for use in vanadium redox flow batteries

Cited by 2 publications

References 42 publications

Beyond conventional batteries: a review on semi-solid and redox targeting flow batteries-LiFePO₄ as a case study

Beyond conventional batteries: a review on semi-solid and redox targeting flow batteries-LiFePO₄ as a case study

Sulfonated Polystyrene/Polybenzimidazole Bilayer Membranes for Vanadium Redox Flow Batteries

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Electrode laminated with ion-selective blocking layer for use in vanadium redox flow batteries

Cited by 2 publications

References 42 publications

Beyond conventional batteries: a review on semi-solid and redox targeting flow batteries-LiFePO4 as a case study

Beyond conventional batteries: a review on semi-solid and redox targeting flow batteries-LiFePO4 as a case study

Sulfonated Polystyrene/Polybenzimidazole Bilayer Membranes for Vanadium Redox Flow Batteries

Contact Info

Product

Resources

About

Beyond conventional batteries: a review on semi-solid and redox targeting flow batteries-LiFePO₄ as a case study

Beyond conventional batteries: a review on semi-solid and redox targeting flow batteries-LiFePO₄ as a case study