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Title: Surface protected lithium-metal-oxide electrodes

Abstract

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.

Inventors:
;
Issue Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1248481
Patent Number(s):
9,306,210
Application Number:
14/326,845
Assignee:
UCHICAGO ARGONNE, LLC (Chicago, IL)
DOE Contract Number:  
W-31-109-ENG-38
Resource Type:
Patent
Resource Relation:
Patent File Date: 2014 Jul 09
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 25 ENERGY STORAGE; 30 DIRECT ENERGY CONVERSION

Citation Formats

Thackeray, Michael M., and Kang, Sun-Ho. Surface protected lithium-metal-oxide electrodes. United States: N. p., 2016. Web.
Thackeray, Michael M., & Kang, Sun-Ho. Surface protected lithium-metal-oxide electrodes. United States.
Thackeray, Michael M., and Kang, Sun-Ho. Tue . "Surface protected lithium-metal-oxide electrodes". United States. https://www.osti.gov/servlets/purl/1248481.
@article{osti_1248481,
title = {Surface protected lithium-metal-oxide electrodes},
author = {Thackeray, Michael M. and Kang, Sun-Ho},
abstractNote = {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.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2016},
month = {4}
}

Patent:

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