Methods and system for a battery
Abstract
Systems and methods for operating a redox flow battery system may include switching the redox flow battery system to an idle mode, wherein the idle mode includes operation of the redox flow battery system outside of a charging mode and outside of a discharge mode; in response to switching to the idle mode, repeatedly cycling operation of an electrolyte pump between an idling threshold flow rate less than a charging threshold flow rate and a deactivation threshold flow rate; and in response to switching to the charging mode, maintaining operation of the electrolyte pump at the charging threshold flow rate greater than the idling threshold flow rate. In this way, a responsiveness of the redox flow battery system to charging and discharging commands can be maintained while in idle, while reducing parasitic pumping losses due to pumping and heating, and reducing shunt current losses.
- Inventors:
- Issue Date:
- Research Org.:
- ESS Technology, Inc., Wilsonville, OR (United States)
- Sponsoring Org.:
- USDOE Advanced Research Projects Agency - Energy (ARPA-E)
- OSTI Identifier:
- 1892569
- Patent Number(s):
- 11233257
- Application Number:
- 15/965,673
- Assignee:
- ESS Technology, Inc. (Wilsonville, OR)
- 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:
- AR0000261
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 04/27/2018
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Song, Yang, and Doremus, Evan. Methods and system for a battery. United States: N. p., 2022.
Web.
Song, Yang, & Doremus, Evan. Methods and system for a battery. United States.
Song, Yang, and Doremus, Evan. Tue .
"Methods and system for a battery". United States. https://www.osti.gov/servlets/purl/1892569.
@article{osti_1892569,
title = {Methods and system for a battery},
author = {Song, Yang and Doremus, Evan},
abstractNote = {Systems and methods for operating a redox flow battery system may include switching the redox flow battery system to an idle mode, wherein the idle mode includes operation of the redox flow battery system outside of a charging mode and outside of a discharge mode; in response to switching to the idle mode, repeatedly cycling operation of an electrolyte pump between an idling threshold flow rate less than a charging threshold flow rate and a deactivation threshold flow rate; and in response to switching to the charging mode, maintaining operation of the electrolyte pump at the charging threshold flow rate greater than the idling threshold flow rate. In this way, a responsiveness of the redox flow battery system to charging and discharging commands can be maintained while in idle, while reducing parasitic pumping losses due to pumping and heating, and reducing shunt current losses.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2022},
month = {1}
}
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