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- Title
Charge Localization in the Lithium Iron Phosphate Li<sub>3</sub>Fe<sub>2</sub>(PO<sub>4</sub>)<sub>3</sub> at High Voltages in Lithium-Ion Batteries.
- Authors
Younesi, Reza; Christiansen, Ane; Loftager, Simon; García‐Lastra, Juan Maria; Vegge, Tejs; Norby, Poul; Holtappels, Peter
- Abstract
Possible changes in the oxidation state of the oxygen ion in the lithium iron phosphate Li3Fe2(PO4)3 at high voltages in lithium-ion (Li-ion) batteries are studied using experimental and computational analysis. Results obtained from synchrotron-based hard X-ray photoelectron spectroscopy and density functional theory (DFT) show that the oxidation state of O2− ions is altered to higher oxidation states (O δ−, δ<2) upon charging Li3Fe2(PO4)3 to 4.7 V.
- Subjects
LITHIUM phosphide; LITHIUM-ion batteries; PHOSPHATES; SYNCHROTRONS; X-ray photoelectron spectroscopy; OXIDATION states
- Publication
ChemSusChem, 2015, Vol 8, Issue 19, p3213
- ISSN
1864-5631
- Publication type
Article
- DOI
10.1002/cssc.201500752