Lithium-ion batteries with intrinsic pulse overcharge protection
Abstract
The present invention relates in general to the field of lithium rechargeable batteries, and more particularly relates to the positive electrode design of lithium-ion batteries with improved high-rate pulse overcharge protection. Thus the present invention provides electrochemical devices containing a cathode comprising at least one primary positive material and at least one secondary positive material; an anode; and a non-aqueous electrolyte comprising a redox shuttle additive; wherein the redox potential of the redox shuttle additive is greater than the redox potential of the primary positive material; the redox potential of the redox shuttle additive is lower than the redox potential of the secondary positive material; and the redox shuttle additive is stable at least up to the redox potential of the secondary positive material.
- Inventors:
- Issue Date:
- Research Org.:
- ANL (Argonne National Laboratory (ANL), Argonne, IL (United States))
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1083226
- Patent Number(s):
- 8,367,253
- Application Number:
- 11/345,947
- Assignee:
- U Chicago Argonne LLC (Chicago, IL)
- DOE Contract Number:
- W-31-109-ENG-38
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 25 ENERGY STORAGE
Citation Formats
Chen, Zonghai, and Amine, Khalil. Lithium-ion batteries with intrinsic pulse overcharge protection. United States: N. p., 2013.
Web.
Chen, Zonghai, & Amine, Khalil. Lithium-ion batteries with intrinsic pulse overcharge protection. United States.
Chen, Zonghai, and Amine, Khalil. Tue .
"Lithium-ion batteries with intrinsic pulse overcharge protection". United States. https://www.osti.gov/servlets/purl/1083226.
@article{osti_1083226,
title = {Lithium-ion batteries with intrinsic pulse overcharge protection},
author = {Chen, Zonghai and Amine, Khalil},
abstractNote = {The present invention relates in general to the field of lithium rechargeable batteries, and more particularly relates to the positive electrode design of lithium-ion batteries with improved high-rate pulse overcharge protection. Thus the present invention provides electrochemical devices containing a cathode comprising at least one primary positive material and at least one secondary positive material; an anode; and a non-aqueous electrolyte comprising a redox shuttle additive; wherein the redox potential of the redox shuttle additive is greater than the redox potential of the primary positive material; the redox potential of the redox shuttle additive is lower than the redox potential of the secondary positive material; and the redox shuttle additive is stable at least up to the redox potential of the secondary positive material.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2013},
month = {2}
}
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