Organosilicon amine-based electrolytes
AssigneeWisconsin Alumni Research Foundation
InventorsRobert C. West, Lingzhi Zhang
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Abstract
Disclosed are electrochemical double-layer capacitors having an electrode with a substrate and an electrolyte/quaternary ammonium salt capable of penetrating the substrate. Such salts have a moiety of the following formula: In one form all of the R groups are methyl. These electrodes appear particularly suitable for use at high voltages in applications such as electric and hybrid electric vehicles.
Claims13
An electrochemical double-layer capacitor having an electrode comprising:
- a substrate;
- and
- an electrolyte penetrating the substrate comprising a cationic moiety comprising the following structure:
- wherein R1, R2 and R3 are the same or different and each is selected from the group consisting of alkyl moieties of less than ten carbons and hydrogen, wherein at least one of R1, R2 and R3 are alkyl moieties;
- wherein R4 is selected from the group consisting of alkyl moieties of less than ten carbons;
- and
- wherein R5, R6 and R7 are the same or different and each is selected from the group consisting of alkyl moieties of less than ten carbons and hydrogen.
An electrochemical double-layer capacitor having an electrode comprising:
- a substrate;
- and
- a quaternary ammonium salt penetrating the substrate and having the following formula:
- wherein R1, R2 and R3 are the same or different and each is selected from the group consisting of alkyl moieties of less than ten carbons and hydrogen, wherein at least one of R1, R2 and R3 are alkyl moieties;
- wherein R4 is selected from the group consisting of alkyl moieties of less than ten carbons;
- wherein R5, R6 and R7 are the same or different and each is selected from the group consisting of alkyl moieties of less than ten carbons and hydrogen;
- and
- wherein A is an anion.
An electrode suitable for use in an electrochemical double-layer capacitor, the electrode comprising:
- a substrate;
- and
- an electrolyte penetrating the substrate comprising a cationic moiety comprising the following structure:
- wherein R1, R2 and R3 are the same or different and each is selected from the group consisting of alkyl moieties of less than ten carbons and hydrogen, wherein at least one of R1, R2 and R3 are alkyl moieties;
- wherein R4 is selected from the group consisting of alkyl moieties of less than ten carbons;
- and
- wherein R5, R6 and R7 are the same or different and each is selected from the group consisting of alkyl moieties of less than ten carbons and hydrogen.
Dependencies are inferred from the claim text.