Invention Grant
- Patent Title: Redox flow battery with improved efficiency
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Application No.: US17119427Application Date: 2020-12-11
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Publication No.: US11271226B1Publication Date: 2022-03-08
- Inventor: James D. Saraidaridis , Michael L. Perry , Robert Mason Darling
- Applicant: Raytheon Technologies Corporation
- Applicant Address: US MA Waltham
- Assignee: Raytheon Technologies Corporation
- Current Assignee: Raytheon Technologies Corporation
- Current Assignee Address: US MA Waltham
- Agency: Carlson, Gaskey & Olds, P.C.
- Main IPC: H01M8/04186
- IPC: H01M8/04186 ; H01M8/18 ; H01M8/08 ; H01M8/04082

Abstract:
A method for a redox flow battery includes using a cell of a redox flow battery to store electrical energy and discharge the stored electrical energy. The using includes circulating a first electrolyte solution through a first circulation loop in fluid connection with the first electrode of the cell; circulating a second electrolyte solution through a second circulation loop in fluid connection with the second electrode of the cell; and at least one of a first element from the first electrolyte solution in the first electrode permeates through the separator layer and precipitates as a first solid product in the second electrode and a second element from the second electrolyte solution permeates through the separator layer and precipitates a second solid product in the first electrode. The method also includes removing at least a portion of the first solid product or the second solid product from the first electrode and the second electrode, respectively.
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