Additives for high voltage lithium ion batteries
Abstract
This invention relates to a method for preparing an electrochemical cell comprising the sequential steps of preparing a solution of a lithium salt in an non-aqueous solvent containing an additive compound, and maintaining the solution at a temperature in the range of about 20 to about 30° C. for about 5 to 10 days to form an aged electrolyte; assembling an electrochemical cell from an anode, a cathode, and the aged electrolyte; and electrochemically subjecting the electrochemical cell to formation cycling. The additive compound comprises one or more compounds selected from the group consisting of: (R3SiO)3B, (R3SiO)3XY, (R3SiO)3P, (R′O)3PO, (R3Si)3X′, R3SiOS(O)2R′; (R3Si)OC(═O)R′; wherein each R and R′ independently is a hydrocarbyl group; X is P or B; Y is O or S; X is Ti or Al. Electrochemical cells and batteries also are described.
- Inventors:
- Issue Date:
- Research Org.:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1771652
- Patent Number(s):
- 10840552
- Application Number:
- 15/916,723
- Assignee:
- UChicago Argonne, LLC (Chicago, IL)
- Patent Classifications (CPCs):
-
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01M - PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- DOE Contract Number:
- AC02-06CH11357
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 03/09/2018
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Peebles, Cameron, Shkrob, Ilya A., Liao, Chen, Abraham, Daniel, Iddir, Hakim H., and Garcia, Juan. Additives for high voltage lithium ion batteries. United States: N. p., 2020.
Web.
Peebles, Cameron, Shkrob, Ilya A., Liao, Chen, Abraham, Daniel, Iddir, Hakim H., & Garcia, Juan. Additives for high voltage lithium ion batteries. United States.
Peebles, Cameron, Shkrob, Ilya A., Liao, Chen, Abraham, Daniel, Iddir, Hakim H., and Garcia, Juan. Tue .
"Additives for high voltage lithium ion batteries". United States. https://www.osti.gov/servlets/purl/1771652.
@article{osti_1771652,
title = {Additives for high voltage lithium ion batteries},
author = {Peebles, Cameron and Shkrob, Ilya A. and Liao, Chen and Abraham, Daniel and Iddir, Hakim H. and Garcia, Juan},
abstractNote = {This invention relates to a method for preparing an electrochemical cell comprising the sequential steps of preparing a solution of a lithium salt in an non-aqueous solvent containing an additive compound, and maintaining the solution at a temperature in the range of about 20 to about 30° C. for about 5 to 10 days to form an aged electrolyte; assembling an electrochemical cell from an anode, a cathode, and the aged electrolyte; and electrochemically subjecting the electrochemical cell to formation cycling. The additive compound comprises one or more compounds selected from the group consisting of: (R3SiO)3B, (R3SiO)3XY, (R3SiO)3P, (R′O)3PO, (R3Si)3X′, R3SiOS(O)2R′; (R3Si)OC(═O)R′; wherein each R and R′ independently is a hydrocarbyl group; X is P or B; Y is O or S; X is Ti or Al. Electrochemical cells and batteries also are described.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Nov 17 00:00:00 EST 2020},
month = {Tue Nov 17 00:00:00 EST 2020}
}
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