Nature materials
A formal FeIII/V redox couple in an intercalation electrode.
Hari Ramachandran, Edward W Mu, Eder G Lomeli, Augustin Braun, Masato Goto, Kuan H Hsu, Jue Liu, Zhelong Jiang, Kipil Lim, Grace M Busse, Brian Moritz, Joshua J Kas, John Vinson, John J Rehr, Jungjin Park
Published: 202610.1038/s41563-025-02356-x
Abstract
Iron redox cycling between low-valent oxidation states of FeII and FeIII drives crucial processes in nature. The FeII/III redox couple charge compensates the cycling of lithium iron phosphate, a positive electrode (cathode) for lithium-ion batteries.…
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