Non-aqueous redox flow batteries including 3,7-perfluoroalkylated phenothiazine derivatives
AssigneeUniversity of Kentucky Research Foundation
InventorsSusan A. Odom, Aman P. Kaur, Corrine F. Elliott, Matthew D. Casselman
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Abstract
A non-aqueous redox flow battery includes a negative electrode immersed in a first non-aqueous liquid electrolyte solution, a positive electrode immersed in a second non-aqueous liquid electrolyte solution, and a semi-permeable separator interposed between the negative and positive electrodes, wherein the second the non-aqueous liquid electrolyte solution comprises a compound of the formula:
Claims20
A positive cell comprising a cathode and a compound according to the formula:
- wherein R is selected from alkyl, aryl, alkylaryl, alkoxyaryl, alkylcarboxyl, aryl carbonyl, haloalkyl, perfluoroalkyl, glycol, haloaryl, a negative electrolyte, and a polymer;
- and
- wherein each n is independently an integer from 1 to 6.
A non-aqueous redox flow battery comprising:
- a negative electrode immersed in a first non-aqueous liquid electrolyte solution;
- a positive electrode immersed in a second non-aqueous liquid electrolyte solution;
- and
- a semi-permeable separator interposed between the negative and positive electrodes;
- wherein the second the non-aqueous liquid electrolyte solution comprises a compound of the formula:
- wherein R is selected from alkyl, aryl, alkylaryl, alkoxyaryl, alkylcarboxyl, aryl carbonyl, haloalkyl, perfluoroalkyl, glycols, haloaryl, a negative electrolyte, and a polymer;
- and
- wherein each n is independently an integer from 1 to 6.
A method of making a non-aqueous redox flow battery comprising:
- immersing a negative electrode in a first non-aqueous liquid electrolyte solution;
- immersing a positive electrode in a second non-aqueous liquid electrolyte solution;
- interposing a semi-permeable separator between the negative and positive electrodes;
- wherein the second non-aqueous liquid electrolyte solution comprises a compound of the formula:
- wherein R is selected from alkyl, aryl, alkylaryl, alkoxyaryl, alkylcarboxyl, aryl carbonyl, haloalkyl, perfluoroalkyl, glycols, haloaryl, a negative electrolyte, and a polymer;
- and
- wherein each n is independently an integer from 1 to 6.
A compound selected from the group consisting of:
Dependencies are inferred from the claim text.