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Title: Lipon coatings for high voltage and high temperature Li-ion battery cathodes

A lithium ion battery includes an anode and a cathode. The cathode includes a lithium, manganese, nickel, and oxygen containing compound. An electrolyte is disposed between the anode and the cathode. A protective layer is deposited between the cathode and the electrolyte. The protective layer includes pure lithium phosphorus oxynitride and variations that include metal dopants such as Fe, Ti, Ni, V, Cr, Cu, and Co. A method for making a cathode and a method for operating a battery are also disclosed.
Inventors:
; ; ; ; ;
Issue Date:
OSTI Identifier:
1411391
Assignee:
UT-BATTELLE, LLC (Oak Ridge, TN) ORNL
Patent Number(s):
9,837,665
Application Number:
15/416,508
Contract Number:
AC05-00OR22725
Resource Relation:
Patent File Date: 2017 Jan 26
Research Org:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 25 ENERGY STORAGE