Solid polymer electrolyte electrochemical storage cell containing a redox shuttle additive for overcharge protection
Abstract
A class of organic redox shuttle additives is described, preferably comprising nitrogen-containing aromatics compounds, which can be used in a high temperature (85.degree. C. or higher) electrochemical storage cell comprising a positive electrode, a negative electrode, and a solid polymer electrolyte to provide overcharge protection to the cell. The organic redox additives or shuttles are characterized by a high diffusion coefficient of at least 2.1.times.10.sup.-8 cm.sup.2 /second and a high onset potential of 2.5 volts or higher. Examples of such organic redox shuttle additives include an alkali metal salt of 1,2,4-triazole, an alkali metal salt of imidazole, 2,3,5,6-tetramethylpyrazine, 1,3,5-tricyanobenzene, and a dialkali metal salt of 3-4-dihydroxy-3-cyclobutene-1,2-dione.
- Inventors:
-
- Oakland, CA
- Moraga, CA
- Issue Date:
- Research Org.:
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- OSTI Identifier:
- 872773
- Patent Number(s):
- 6004698
- Assignee:
- United States of America as represented by United States (Washington, DC)
- 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:
- AC03-76SF00098
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- solid; polymer; electrolyte; electrochemical; storage; cell; containing; redox; shuttle; additive; overcharge; protection; organic; additives; described; preferably; comprising; nitrogen-containing; aromatics; compounds; temperature; 85; degree; positive; electrode; negative; provide; shuttles; characterized; diffusion; coefficient; times; 10; -8; cm; onset; potential; volts; examples; alkali; metal; salt; 4-triazole; imidazole; 6-tetramethylpyrazine; 5-tricyanobenzene; dialkali; 3-4-dihydroxy-3-cyclobutene-1; 2-dione; preferably comprising; diffusion coefficient; shuttle additive; electrochemical storage; positive electrode; negative electrode; alkali metal; metal salt; polymer electrolyte; solid polymer; electrolyte electrochemical; cell comprising; cell containing; redox shuttle; storage cell; overcharge protection; provide overcharge; cell contain; containing aromatic; /429/252/
Citation Formats
Richardson, Thomas J, and Ross, Philip N. Solid polymer electrolyte electrochemical storage cell containing a redox shuttle additive for overcharge protection. United States: N. p., 1999.
Web.
Richardson, Thomas J, & Ross, Philip N. Solid polymer electrolyte electrochemical storage cell containing a redox shuttle additive for overcharge protection. United States.
Richardson, Thomas J, and Ross, Philip N. Fri .
"Solid polymer electrolyte electrochemical storage cell containing a redox shuttle additive for overcharge protection". United States. https://www.osti.gov/servlets/purl/872773.
@article{osti_872773,
title = {Solid polymer electrolyte electrochemical storage cell containing a redox shuttle additive for overcharge protection},
author = {Richardson, Thomas J and Ross, Philip N},
abstractNote = {A class of organic redox shuttle additives is described, preferably comprising nitrogen-containing aromatics compounds, which can be used in a high temperature (85.degree. C. or higher) electrochemical storage cell comprising a positive electrode, a negative electrode, and a solid polymer electrolyte to provide overcharge protection to the cell. The organic redox additives or shuttles are characterized by a high diffusion coefficient of at least 2.1.times.10.sup.-8 cm.sup.2 /second and a high onset potential of 2.5 volts or higher. Examples of such organic redox shuttle additives include an alkali metal salt of 1,2,4-triazole, an alkali metal salt of imidazole, 2,3,5,6-tetramethylpyrazine, 1,3,5-tricyanobenzene, and a dialkali metal salt of 3-4-dihydroxy-3-cyclobutene-1,2-dione.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Fri Jan 01 00:00:00 EST 1999},
month = {Fri Jan 01 00:00:00 EST 1999}
}
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