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Synthesis of Li1.20Mn2+0.43Nb0.39O2 disordered rock-salt under reducing conditions for Li-ion batteries

DOI: 10.1039/D3CC04264B DOI Help

Authors: Wilgner Lima Da Silva (University of Warwick) , Ashok S. Menon (University of Warwick) , Martin R. Lees (University of Warwick) , Reza J. Kashtiban (University of Warwick) , Marc Walker (University of Warwick) , Louis F. J. Piper (University of Warwick) , Emma Kendrick (University of Birmingham) , Richard I. Walton (University of Warwick)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Chemical Communications

State: Published (Approved)
Published: October 2023
Diamond Proposal Number(s): 25166 , 14239

Open Access Open Access

Abstract: A Mn2+-Li-Nb disordered rock-salt oxide cathode is prepared by a solid-state reaction under 5% H2/N2, and its electrochemical property shows a high voltage plateau at 4.8 V, with irreversible structural changes in the first cycle due to O redox processes; this is supported by powder X-ray diffraction and ex-situ laboratory Mn K-edge XANES data.

Diamond Keywords: Batteries; Lithium-ion

Subject Areas: Materials, Chemistry, Energy


Instruments: B18-Core EXAFS , I11-High Resolution Powder Diffraction

Added On: 25/10/2023 08:52

Documents:
d3cc04264b.pdf

Discipline Tags:

Energy Storage Energy Physical Chemistry Energy Materials Chemistry Materials Science

Technical Tags:

Diffraction Spectroscopy X-ray Powder Diffraction X-ray Absorption Spectroscopy (XAS) X-ray Absorption Near Edge Structure (XANES)