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Title: Chemical overcharge protection of lithium and lithium-ion secondary batteries

Abstract

This invention features the use of redox reagents, dissolved in non-aqueous electrolytes, to provide overcharge protection for cells having lithium metal or lithium-ion negative electrodes (anodes). In particular, the invention features the use of a class of compounds consisting of thianthrene and its derivatives as redox shuttle reagents to provide overcharge protection. Specific examples of this invention are thianthrene and 2,7-diacetyl thianthrene. One example of a rechargeable battery in which 2,7-diacetyl thianthrene is used has carbon negative electrode (anode) and spinet LiMn.sub.2 O.sub.4 positive electrode (cathode).

Inventors:
 [1];  [2];  [3];  [4]
  1. Needham, MA
  2. Cork City, IE
  3. Dedham, MA
  4. Pawtucket, RI
Issue Date:
Research Org.:
United States Advanced Battery Consortium, Dearborn, MI (US)
OSTI Identifier:
872099
Patent Number(s):
5858573
Assignee:
EIC Laboratories, Inc. (Norwood, MA)
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 Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
DOE Contract Number:  
FC02-91CE50336
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
chemical; overcharge; protection; lithium; lithium-ion; secondary; batteries; features; redox; reagents; dissolved; non-aqueous; electrolytes; provide; cells; metal; negative; electrodes; anodes; particular; compounds; consisting; thianthrene; derivatives; shuttle; specific; examples; 7-diacetyl; example; rechargeable; battery; carbon; electrode; anode; spinet; limn; positive; cathode; secondary batteries; aqueous electrolyte; rechargeable battery; specific examples; negative electrodes; positive electrode; negative electrode; lithium metal; redox shuttle; overcharge protection; specific example; non-aqueous electrolytes; provide overcharge; compounds consisting; /29/429/

Citation Formats

Abraham, Kuzhikalail M, Rohan, James F, Foo, Conrad C, and Pasquariello, David M. Chemical overcharge protection of lithium and lithium-ion secondary batteries. United States: N. p., 1999. Web.
Abraham, Kuzhikalail M, Rohan, James F, Foo, Conrad C, & Pasquariello, David M. Chemical overcharge protection of lithium and lithium-ion secondary batteries. United States.
Abraham, Kuzhikalail M, Rohan, James F, Foo, Conrad C, and Pasquariello, David M. Fri . "Chemical overcharge protection of lithium and lithium-ion secondary batteries". United States. https://www.osti.gov/servlets/purl/872099.
@article{osti_872099,
title = {Chemical overcharge protection of lithium and lithium-ion secondary batteries},
author = {Abraham, Kuzhikalail M and Rohan, James F and Foo, Conrad C and Pasquariello, David M},
abstractNote = {This invention features the use of redox reagents, dissolved in non-aqueous electrolytes, to provide overcharge protection for cells having lithium metal or lithium-ion negative electrodes (anodes). In particular, the invention features the use of a class of compounds consisting of thianthrene and its derivatives as redox shuttle reagents to provide overcharge protection. Specific examples of this invention are thianthrene and 2,7-diacetyl thianthrene. One example of a rechargeable battery in which 2,7-diacetyl thianthrene is used has carbon negative electrode (anode) and spinet LiMn.sub.2 O.sub.4 positive electrode (cathode).},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1999},
month = {1}
}

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Works referenced in this record:

Preparation and properties of polyamides containing thianthrene units
journal, January 1987