The emergence of quinone-based aqueous organic redox flow batteries (AQRFBs) represents an exciting advancement in electrochemical energy storage systems, particularly for grid-scale applications. By...
This suggests that these quinones possess favorable fluidic properties, which can be advantageous for their application in redox flow batteries.Furthermore, the graph also compares the viscosity of liquid quinones with different supporting electrolytes.
Some quinones have high water solubility and high chemical stability, which make them ideal for use as flow battery reactants. Organic molecules such as quinones are cheap and can effectively store electricity, but tend to decompose over time, thereby constraining the useful system lifetime.
We demonstrate that quinone-based flow batteries can be adapted to alkaline solutions, where hydroxylated anthraquinones are highly soluble and bromine can be replaced with the nontoxic ferricyanide ion (8, 9)—a food additive (10).
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Storage of photovoltaic and wind electricity in batteries could solve the mismatch problem between the intermittent supply of these …
Quinones are one of the most promising and widely investigated classes of redox active materials for organic aqueous redox flow batteries. However, quinone-based flow batteries still lack the …
Unlike lithium-ion batteries, the quinone flow battery is not adversely affected by deep discharge to extremely low states of charge. Other lifetime …
We have demonstrated the repeated cycling of a redox flow cell based on water-soluble organic redox couples (ORBAT) at high voltage efficiency, coulombic efficiency and …
Quinones are one of the most promising and widely investigated classes of redox active materials for organic aqueous redox flow batteries. However, …
Quinone chemistries Ideally, the redox flow battery utilizes quinones on both sides of the battery as shown in Figure 1. The RFB utilizes an oxidized version of one quinone and the …
The emergence of quinone-based aqueous organic redox flow batteries (AQRFBs) represents an exciting advancement in electrochemical energy storage systems, particularly …
This result adds the important attribute of long calendar life to quinone-based redox-flow batteries, which may enable massive penetration of intermittent renewable electricity.
These quinone molecules can attain low solvation-free energy and high HOMO-LUMO gap simultaneously, and thus can be used as …
We have demonstrated the repeated cycling of a redox flow cell based on water-soluble organic redox couples (ORBAT) at high …
We demonstrate a long-lifetime, aqueous redox-flow battery that can operate at a pH as low as 12 while maintaining an open-circuit voltage of over 1 V…
Unlike lithium-ion batteries, the quinone flow battery is not adversely affected by deep discharge to extremely low states of charge. Other lifetime extension strategies include slightly restricting …
Storage of photovoltaic and wind electricity in batteries could solve the mismatch problem between the intermittent supply of these renewable resources and variable demand. …
Our Mission Practical, Affordable Grid Storage We create water-based flow batteries that store electrical energy in organic quinone molecules for commercial and grid …
These quinone molecules can attain low solvation-free energy and high HOMO-LUMO gap simultaneously, and thus can be used as candidate materials for quinone-based …
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