Quinone flow battery
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Technology
Quino Energy has developed a process that converts quinone raw materials – dyestuff chemicals – directly into high-performance, long lifetime quinones using the flow battery system itself as
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Quino Energy ($9M for low-cost aqueous organic
Quino Energy has developed a cost-effective redox flow battery system with non-flammable aqueous electrolytes. The aqueous electrolytes
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A phosphonate-functionalized quinone redox flow battery at
Keywords: energy storage, redox-flow battery, quinone, long lifetime Abstract: A highly stable phosphonate-functionalized anthraquinone is introduced as the redox- active material in a
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A Water-Miscible Quinone Flow Battery with High Volumetric and
We synthesized and screened a series of substituted anthraquinones and carefully studied one that has high electrochemical reversibility and is completely miscible with water of
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Quino Energy ($9M for low-cost aqueous organic redox flow battery
Quino Energy has developed a cost-effective redox flow battery system with non-flammable aqueous electrolytes. The aqueous electrolytes are made of inexpensive quinones
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Alkaline quinone flow battery | Science
We report an alkaline flow battery based on redox-active organic molecules that are composed entirely of Earth-abundant elements and are nontoxic, nonflammable, and safe
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A high capacity small molecule quinone cathode for
The flexible structural design of organic materials make them promising candidates for cathode in rechargeable batteries. Here, the authors report a tetraamino-p-benzoquinone
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UV-Vis spectrophotometry of quinone flow battery
We instrument a quinone–bromine flow battery with a Pd–H reference electrode in order to demonstrate how complexation in both the negative (quinone) and
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A Water-Miscible Quinone Flow Battery with High Volumetric and
Abstract Aqueous redox flow batteries are potentially better candidates than lithium-ion batteries for grid scale energy storage for their safety, cost-effectiveness, longevity, and
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Quinones for Aqueous Organic Redox Flow Battery: A
This review article provides a comprehensive overview of recent progress in this area, with a specific focus on redox potential, solubility, and stability, and offers valuable
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Alkaline aqueous organic redox flow batteries of high energy and
In addition, the vanadium redox flow battery (VRFB) can reduce the cross-over of active species and induce a high solubility (~1.8 M) in sulfuric acid (H2 SO 4) electrolyte,
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Exploring Bio-inspired Quinone-Based Organic Redox Flow
Yu and colleagues take a combined experimental and theoretical approach to investigating quinone-based organic redox flow batteries and establish a useful guideline for
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A Water-Miscible Quinone Flow Battery with High
A water-miscible anthraquinone with polyethylene glycol (PEG)-based solubilizing groups is introduced as the redox-active molecule in a
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Quinones for Aqueous Organic Redox Flow Battery: A
This review article provides a comprehensive overview of recent progress in this area, with a specific focus on redox potential, solubility, and
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Exploring the Landscape of Heterocyclic Quinones for Redox Flow
Redox flow batteries (RFBs) rely on the development of cheap, highly soluble, and high-energy-density electrolytes. Several candidate quinones have already been investigated in the
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Rational Evaluation and Cycle Life Improvement of Quinone
We measure electrolyte concentration and state-of-charge in real time in an operating aqueous anthraquinone-based flow battery using in-line optical spectrophotometry.
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Quinones for redox flow batteries
Quinones are redox-active molecules with good electrochemical reversibility and reaction rates. They are a class of metal-free organic compounds that consist of earth
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UV-Vis spectrophotometry of quinone flow battery electrolyte for
We instrument a quinone–bromine flow battery with a Pd–H reference electrode in order to demonstrate how complexation in both the negative (quinone) and positive (bromine)
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Quino Energy
Quino Energy is a start-up company that is developing water-based flow batteries that store electrical energy in organic molecules called quinones, for commercial and grid applications.
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Computational design of molecules for an all-quinone redox flow battery
We identified the promising candidates for both the negative and positive sides of organic-based aqueous flow batteries, thus enabling an all-quinone battery. To further aid the development of
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A nonaqueous organic redox flow battery using multi-electron quinone
Organic redox flow batteries are promising energy storage devices due to their moderately low-cost and scalability. This paper introduces a new multi-
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Rational Evaluation and Cycle Life Improvement of Quinone
We measure electrolyte concentration and state-of-charge in real time in an operating aqueous anthraquinone-based flow battery using in-line optical spectrophotometry. By capitalizing on
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A Water-Miscible Quinone Flow Battery with High Volumetric
A water-miscible anthraquinone with polyethylene glycol (PEG)-based solubilizing groups is introduced as the redox-active molecule in a negative electrolyte (negolyte) for
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Alkaline Quinone Flow Battery with Long Lifetime at pH 12
Alkaline Quinone Flow Battery with Long Lifetime at pH 12 This work demonstrates a new, organic redox-flow battery (RFB) that outlives its predecessors, offering the longest-lived high
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Quinones for redox flow batteries
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
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A Phosphonate-Functionalized Quinone Redox Flow Battery
A highly stable phosphonate-functionalized anthraquinone is introduced as the redox-active material in a negative potential electrolyte (negolyte) for aqueous redox flow batteries
Email ContactFAQs 6
Do redox flow batteries use quinones?
For the last 5 years, there have been between 20 and 30 articles per year dedicated to the quinone flow battery. This review focusses on the last couple years of published work. Ideally, the redox flow battery utilizes quinones on both sides of the battery as shown in Figure 1.
Can quinone-based flow batteries be adapted to alkaline solutions?
Dotted line represents CV of 1 M KOH background scanned at 100 mV/s on graphite foil electrode. 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).
Are alkaline flow batteries safe?
We report an alkaline flow battery based on redox-active organic molecules that are composed entirely of Earth-abundant elements and are nontoxic, nonflammable, and safe for use in residential and commercial environments. The battery operates efficiently with high power density near room temperature.
What is Quino energy?
A low-cost, high-performance quinone for energy storage Quino Energy’s process converts dyestuff raw materials directly into high-performance designer quinones using the flow battery system itself as the production reactor, enabling a new chemistry without a new factory while creating zero chemical waste.
Can Quinones be dissolved in alkaline solutions?
Lin et al. show that quinones can be dissolved in alkaline solutions and coupled with ferricyanides to make a flow cell battery (see the Perspective by Perry). This gives scope for developing flow cells with very low costs, high efficiencies at practical power densities, simplicity of operation, and inherent safety.
Do quinones have electrochemical properties?
In order to investigate the electrochemical properties of potential quinones, we have shown a virtual library of molecules by modifying the central structures of quinones and introducing diverse chemical substituents onto their cores reported by Süleyman Er et al.
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