Rebalancing electrolytes in redox flow battery systems
Abstract
Embodiments of redox flow battery rebalancing systems include a system for reacting an unbalanced flow battery electrolyte with a rebalance electrolyte in a first reaction cell. In some embodiments, the rebalance electrolyte may contain ferrous iron (Fe.sup.2+) which may be oxidized to ferric iron (Fe.sup.3+) in the first reaction cell. The reducing ability of the rebalance reactant may be restored in a second rebalance cell that is configured to reduce the ferric iron in the rebalance electrolyte back into ferrous iron through a reaction with metallic iron.
- Inventors:
- Issue Date:
- Research Org.:
- Enervault Corporation, Sunnyvale, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1166016
- Patent Number(s):
- 8916281
- Application Number:
- 13/433,189
- Assignee:
- Enervault Corporation (Sunnyvale, CA)
- 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:
- OE0000225
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2012 Mar 28
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 25 ENERGY STORAGE; 36 MATERIALS SCIENCE
Citation Formats
Chang, On Kok, and Pham, Ai Quoc. Rebalancing electrolytes in redox flow battery systems. United States: N. p., 2014.
Web.
Chang, On Kok, & Pham, Ai Quoc. Rebalancing electrolytes in redox flow battery systems. United States.
Chang, On Kok, and Pham, Ai Quoc. Tue .
"Rebalancing electrolytes in redox flow battery systems". United States. https://www.osti.gov/servlets/purl/1166016.
@article{osti_1166016,
title = {Rebalancing electrolytes in redox flow battery systems},
author = {Chang, On Kok and Pham, Ai Quoc},
abstractNote = {Embodiments of redox flow battery rebalancing systems include a system for reacting an unbalanced flow battery electrolyte with a rebalance electrolyte in a first reaction cell. In some embodiments, the rebalance electrolyte may contain ferrous iron (Fe.sup.2+) which may be oxidized to ferric iron (Fe.sup.3+) in the first reaction cell. The reducing ability of the rebalance reactant may be restored in a second rebalance cell that is configured to reduce the ferric iron in the rebalance electrolyte back into ferrous iron through a reaction with metallic iron.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2014},
month = {12}
}
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