What is it about?
Redox flow batteries (RFBs) are promising next-generation electrochemical storage devices for renewables, which are indispensable to achieve carbon neutrality. In this Perspecive, we show the recent progress of aqueous RFBs using iron-based catholytes, which are costless, echo-friendly, and nontoxicity.
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Why is it important?
This paper summarizes solubility, redox potential, and stability for iron-based catholytes, and introduces the design strategy of iron-based catholytes for advanced aqueous RFBs. In addition, we demonstrated a method to evaluate easily the redox potential of iron-based catholytes using density functional theory calculations for ligand molecules rather than corresponding coordination compounds.
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This page is a summary of: Iron-based catholytes for aqueous redox-flow batteries, APL Materials, November 2023, American Institute of Physics,
DOI: 10.1063/5.0160078.
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