Iron-sulfide redox flow batteries
Patent
·
OSTI ID:1111112
Iron-sulfide redox flow battery (RFB) systems can be advantageous for energy storage, particularly when the electrolytes have pH values greater than 6. Such systems can exhibit excellent energy conversion efficiency and stability and can utilize low-cost materials that are relatively safer and more environmentally friendly. One example of an iron-sulfide RFB is characterized by a positive electrolyte that comprises Fe(III) and/or Fe(II) in a positive electrolyte supporting solution, a negative electrolyte that comprises S.sup.2- and/or S in a negative electrolyte supporting solution, and a membrane, or a separator, that separates the positive electrolyte and electrode from the negative electrolyte and electrode.
- Research Organization:
- PNNL (Pacific Northwest National Laboratory (PNNL), Richland, WA (United States))
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC05-76RL01830
- Assignee:
- Battelle Memorial Institute (Richland, WA)
- Patent Number(s):
- 8,609,270
- Application Number:
- 13/071,688
- OSTI ID:
- 1111112
- Country of Publication:
- United States
- Language:
- English
A comparative study of carbon felt and activated carbon based electrodes for sodium polysulfide/bromine redox flow battery
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journal | September 2006 |
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