U.S. Patent No. (Date)
Author/Assignee
Electrolyte Materials
1
20110076572 (03/31/2011)
Ionic electrolyte salt and non-aqueous electrolyte
Amine, Khalil; Chen,
solvent described. Solvent includes mixture of
Zonghai; Zhang,
siloxane, silane, or both; a sulfone and a fluorinated
Zhengcheng/University of
ether, fluorinated ester, or both; and ionic liquid or
Chicago/Argonne,
carbonate.
LLC, U.S.
2
20080137265 (06/12/2008)
Organic compounds of quaternary fluoroborateomnium
Venkateswaran, Sagar
in mixture of ethylene carbonate, ethylmethyl
N./U.S.
carbonate, diethylmethyl carbonate, and
γ-butyrolactone are used in combination to create high
voltage, non-toxic electrolytes. Mixtures can be used
down to –40°C; are flame retardant when (di)ethylmethyl carbonate is omitted.
3
20100046142 (09/13/2007)
Created electrolyte comprised of solvent and ionic
Aitchison, Phillip Brett;
species. Possible ionic species include lithium
Nguyen, Hung Chi/
tetrafluoroborate, tetrabutylammonium perchlorate,
Cap-XX Ltd., Australia
and tetraethylammonium tetrafluoroborate. Salt most
preferred is ethyltriethylammonium tetrafluoroborate;
preferred solvent is non-aqueous. Examples include
ethylene carbonate, propylene carbonate,
N-methypyrrolidione, 1,2-dimethoxyethane, methyl
formate, sulfuryl chloride, and tributyl phosphate. The
most preferable solvent is a nitrile, specifically
propionitrile. A 1 M solution of MTEATFB in
propionitrile yielded conductivity of 48 mS/cm at
95°C and 28 mS/cm at 23°C.
4
20070076349 (04/05/2007)
Electrolyte is a solution of lithium salt in an ionDementiev, Viacheslav V.;
conducting organosilicon compound such as
West, Robert C.; Hamers,
oligoethyleneoxide-substituted organosilane. Preferred
Robert J.; Tse, Kiu-Yuen/
materials are organosilanes and organosiloxanes that
Wisconsin Alumni
can have linear, branched, hyper-branched, or
Research Foundation, U.S.
cross-linked structures. At room temperature,
preferred organosilicon electrolytes can have
conductivity of 1 mS/cm.
5
20070048621 (03/01/2007)
Polyoxyalkylene-modified silane (SiHX) is combined
Kashida, Meguru;
with non-aqueous solvent and electrolyte salt to form
Nakanishi, Tetsuo;
non-aqueous solution. Preferred SiHX is 0.001 to 0.1%
Miyawaki, Satoru;
by volume of solution. Light metals such as Li, Na, K,
Aramata, Mikio/Shin-Etsu
Mg, Ca, and Al are used as electrolyte salts in
Chemical Co., Ltd., Japan
concentration of 0.5 to 2 M. Suitable solvents include
aprotic dielectric constant compounds such as
ethylene carbonate, γ-butyrolactone, and aprotic low
viscosity solvents such as dimethylcarbonate,
sulfolane, and acetic acid esters.
236
Electrochemical Supercapacitors for Energy Storage and Delivery
TABLE 5.3
Patent Survey of Electrolyte Developments for Use in Electrochemical Capacitors
Author/Assignee
Electrolyte Materials
1
20110076572 (03/31/2011)
Ionic electrolyte salt and non-aqueous electrolyte
Amine, Khalil; Chen,
solvent described. Solvent includes mixture of
Zonghai; Zhang,
siloxane, silane, or both; a sulfone and a fluorinated
Zhengcheng/University of
ether, fluorinated ester, or both; and ionic liquid or
Chicago/Argonne,
carbonate.
LLC, U.S.
2
20080137265 (06/12/2008)
Organic compounds of quaternary fluoroborateomnium
Venkateswaran, Sagar
in mixture of ethylene carbonate, ethylmethyl
N./U.S.
carbonate, diethylmethyl carbonate, and
γ-butyrolactone are used in combination to create high
voltage, non-toxic electrolytes. Mixtures can be used
down to –40°C; are flame retardant when (di)ethylmethyl carbonate is omitted.
3
20100046142 (09/13/2007)
Created electrolyte comprised of solvent and ionic
Aitchison, Phillip Brett;
species. Possible ionic species include lithium
Nguyen, Hung Chi/
tetrafluoroborate, tetrabutylammonium perchlorate,
Cap-XX Ltd., Australia
and tetraethylammonium tetrafluoroborate. Salt most
preferred is ethyltriethylammonium tetrafluoroborate;
preferred solvent is non-aqueous. Examples include
ethylene carbonate, propylene carbonate,
N-methypyrrolidione, 1,2-dimethoxyethane, methyl
formate, sulfuryl chloride, and tributyl phosphate. The
most preferable solvent is a nitrile, specifically
propionitrile. A 1 M solution of MTEATFB in
propionitrile yielded conductivity of 48 mS/cm at
95°C and 28 mS/cm at 23°C.
4
20070076349 (04/05/2007)
Electrolyte is a solution of lithium salt in an ionDementiev, Viacheslav V.;
conducting organosilicon compound such as
West, Robert C.; Hamers,
oligoethyleneoxide-substituted organosilane. Preferred
Robert J.; Tse, Kiu-Yuen/
materials are organosilanes and organosiloxanes that
Wisconsin Alumni
can have linear, branched, hyper-branched, or
Research Foundation, U.S.
cross-linked structures. At room temperature,
preferred organosilicon electrolytes can have
conductivity of 1 mS/cm.
5
20070048621 (03/01/2007)
Polyoxyalkylene-modified silane (SiHX) is combined
Kashida, Meguru;
with non-aqueous solvent and electrolyte salt to form
Nakanishi, Tetsuo;
non-aqueous solution. Preferred SiHX is 0.001 to 0.1%
Miyawaki, Satoru;
by volume of solution. Light metals such as Li, Na, K,
Aramata, Mikio/Shin-Etsu
Mg, Ca, and Al are used as electrolyte salts in
Chemical Co., Ltd., Japan
concentration of 0.5 to 2 M. Suitable solvents include
aprotic dielectric constant compounds such as
ethylene carbonate, γ-butyrolactone, and aprotic low
viscosity solvents such as dimethylcarbonate,
sulfolane, and acetic acid esters.
236
Electrochemical Supercapacitors for Energy Storage and Delivery
TABLE 5.3
Patent Survey of Electrolyte Developments for Use in Electrochemical Capacitors