Long life lithium batteries with stabilized electrodes
Abstract
The present invention relates to non-aqueous electrolytes having electrode stabilizing additives, stabilized electrodes, and electrochemical devices containing the same. Thus the present invention provides electrolytes containing an alkali metal salt, a polar aprotic solvent, and an electrode stabilizing additive. In some embodiments the additives include a substituted or unsubstituted cyclic or spirocyclic hydrocarbon containing at least one oxygen atom and at least one alkenyl or alkynyl group. When used in electrochemical devices with, e.g., lithium manganese oxide spinel electrodes or olivine or carbon-coated olivine electrodes, the new electrolytes provide batteries with improved calendar and cycle life.
- Inventors:
-
- Downers Grove, IL
- Naperville, IL
- Darien, IL
- Issue Date:
- Research Org.:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 986337
- Patent Number(s):
- 7507503
- Application Number:
- 11/297,120
- Assignee:
- U Chicago 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:
- W-31-109-ENG-38
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 25 ENERGY STORAGE
Citation Formats
Amine, Khalil, Liu, Jun, Vissers, Donald R, and Lu, Wenquan. Long life lithium batteries with stabilized electrodes. United States: N. p., 2009.
Web.
Amine, Khalil, Liu, Jun, Vissers, Donald R, & Lu, Wenquan. Long life lithium batteries with stabilized electrodes. United States.
Amine, Khalil, Liu, Jun, Vissers, Donald R, and Lu, Wenquan. Tue .
"Long life lithium batteries with stabilized electrodes". United States. https://www.osti.gov/servlets/purl/986337.
@article{osti_986337,
title = {Long life lithium batteries with stabilized electrodes},
author = {Amine, Khalil and Liu, Jun and Vissers, Donald R and Lu, Wenquan},
abstractNote = {The present invention relates to non-aqueous electrolytes having electrode stabilizing additives, stabilized electrodes, and electrochemical devices containing the same. Thus the present invention provides electrolytes containing an alkali metal salt, a polar aprotic solvent, and an electrode stabilizing additive. In some embodiments the additives include a substituted or unsubstituted cyclic or spirocyclic hydrocarbon containing at least one oxygen atom and at least one alkenyl or alkynyl group. When used in electrochemical devices with, e.g., lithium manganese oxide spinel electrodes or olivine or carbon-coated olivine electrodes, the new electrolytes provide batteries with improved calendar and cycle life.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Mar 24 00:00:00 EDT 2009},
month = {Tue Mar 24 00:00:00 EDT 2009}
}
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