Surface protected lithium-metal-oxide electrodes

Thackeray, Michael M.; Kang, Sun-Ho

Surface protected lithium-metal-oxide electrodes

Patent · Tue Apr 05 00:00:00 EDT 2016

OSTI ID:1248481

Thackeray, Michael M.; Kang, Sun-Ho

A lithium-metal-oxide positive electrode having a layered or spinel structure for a non-aqueous lithium electrochemical cell and battery is disclosed comprising electrode particles that are protected at the surface from undesirable effects, such as electrolyte oxidation, oxygen loss or dissolution by one or more lithium-metal-polyanionic compounds, such as a lithium-metal-phosphate or a lithium-metal-silicate material that can act as a solid electrolyte at or above the operating potential of the lithium-metal-oxide electrode. The surface protection significantly enhances the surface stability, rate capability and cycling stability of the lithium-metal-oxide electrodes, particularly when charged to high potentials.

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Research Organization:: Argonne National Laboratory (ANL), Argonne, IL (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: W-31109-ENG-38

Assignee:: UCHICAGO ARGONNE, LLC (Chicago, IL)

Patent Number(s):: 9,306,210

Application Number:: 14/326,845

OSTI ID:: 1248481

Country of Publication:: United States

Language:: English

References (21)

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