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Design and Performance of Organic Flow Batteries
Among all the developed systems, the neutral aqueous organic flow batteries, which avoid water splitting and a series of organic side reactions under …
A Neutral pH Aqueous Organic–Organometallic …
We demonstrate an aqueous organic and organometallic redox flow battery utilizing reactants composed of only earth-abundant …
Alkaline Quinone Flow Battery with Long Lifetime at pH 12
Near-neutral chemistry for rechargeable, aqueous-soluble, organic redox-flow batteries • Capacity fade rate of ∼0.01%/day, the longest lifetime for a quinone-based electrolyte • Meets technical criteria for commercialization of redox-flow batteries Context & …
Commercializable Naphthalene Diimide Anolytes for Neutral …
Neutral aqueous organic redox flow batteries (AORFBs) hold the potential to facilitate the transition of renewable energy sources from auxiliary to primary …
A Sulfonate-Functionalized Viologen Enabling Neutral …
Redox flow batteries using synthetically tunable and resource abundant organic molecules have gained increasing attention for large-scale energy storage. Herein we report a sulfonate-functionalized …
Viologen-Decorated TEMPO for Neutral Aqueous Organic Redox Flow Batteries
In this work, viologen-decorated TEMPO ((TPABPy)Cl 3) is developed as the positive electrolyte in neutral aqueous organic redox flow battery. The introduction of viologen unit is proved effective in increasing the TEMPO''s aqueous solubility, elevating the redox potential and preventing its crossover.
Organic Electrolytes for pH-Neutral Aqueous Organic Redox Flow Batteries
The pH-neutral aqueous organic redox flow battery (AORFB) represents a safe and cost-effective energy storage technology. Redox-active organic compounds are critical components that directly determin...
Sulfonated tryptanthrin anolyte increases performance in pH …
Aqueous organic redox flow batteries (AORFBs) hold great promise as low-cost, environmentally friendly and safe alternative energy storage media.
A Neutral-pH Aqueous Redox Flow Battery Based on …
Sustainable and tuneable active organometallic and organic compounds electrolytes based on ferrocene (DS−Fc) and viologen (BSP−Vi, and BTMAP−Vi) have been synthesized and studied for …
Emerging chemistries and molecular designs for flow batteries
DeBruler, C. et al. Designer two-electron storage viologen anolyte materials for neutral aqueous organic redox flow batteries. Chem 3, 961–978 (2017). Article CAS Google Scholar ...
Integrated Saltwater Desalination and Energy Storage through a pH Neutral Aqueous Organic Redox Flow Battery
Here, a pH neutral aqueous organic redox flow battery (AORFB) consisting of three electrolytes channels (i.e., an anolyte channel, a catholyte channel, and a central salt water channel) to achieve integrated energy storage and desalination is reported. Employing a low cost, chemically stable methyl viologen (MV) anolyte, and sodium …
An Aqueous All‐Quinone‐Based Redox Flow Battery Employing Neutral …
Considering the corrosiveness of acidic and alkaline electrolytes and sustainability of energy storage devices, neutral aqueous organic redox flow batteries (AORFBs) have more development prospects. Herein, an AORFB is reported, using 9,10-anthraquinone-2,7-disulfonic salt (2,7-AQDS) and 1,4-dihydroxyphenylsulfonate …
Organic Electrolytes for pH‐Neutral Aqueous Organic Redox …
Due to decoupled energy and power, the aqueous organic redox flow battery (AORFB) represents a promising energy storage technology that stores energy in …
Single Molecule Redox-targeting Reactions for a pH-neutral Aqueous Organic Redox Flow Battery…
The single molecule redox-targeting reactions of 2,7-AQDS anolyte are reported to circumvent its solubility limit in pH-neutral electrolytes and achieve full cell energy density up to 39 Wh/L. Aqueous organic redox flow batteries (AORFBs) have recently received considerable attention for large-scale energy storage. Among them, …
A 1.51 V pH neutral redox flow battery towards scalable energy …
Aqueous redox flow batteries using low-cost organic and inorganic active materials have received growing interest for sustainable energy storage. In this study, a low-cost, high redox potential (1.08 V vs. NHE) and high capacity ammonium bromide (NH 4 Br, 214.4 A h L −1) catholyte was coupled with an organic viologen anolyte to …
Boosting the energy efficiency and power performance of neutral aqueous organic redox flow batteries
Neutral aqueous organic redox flow batteries (AORFBs) have stood out as a promising RFB technology for sustainable and safe energy storage. It is critical to improve their energy efficiency and power density to meet fast charge/discharge responses in the application of large scale electrochemical energy stor
A neutral polysulfide/ferricyanide redox flow battery
A neutral pH aqueous organic–organometallic redox flow battery with extremely high capacity retention ACS Energy Lett, 2 ( 2017 ), pp. 639 - 644 Crossref View in Scopus Google Scholar
Integrated Saltwater Desalination and Energy Storage through a pH Neutral Aqueous Organic Redox Flow Battery …
Here, a pH neutral aqueous organic redox flow battery (AORFB) consisting of three electrolytes channels (i.e., an anolyte channel, a catholyte channel, and a central salt water channel) to achieve integrated energy storage and desalination is reported. Employing ...
Progress and prospects of pH-neutral aqueous organic redox flow …
Aqueous organic redox flow batteries (AORFBs), which exploit the reversible electrochemical reactions of water-soluble organic electrolytes to store …
Progress and prospects of pH-neutral aqueous organic redox flow batteries…
The molecular design and engineering of representative electrolytes and ion-exchange membranes for pH-neutral aqueous organic redox flow batteries (AORFBs) are outlined and summarized in this review. Download: Download high-res image (171KB)Download: Download full-size image
Enabling high Anion-selective conductivity in membrane for High-performance neutral organic based aqueous redox flow battery …
Neutral aqueous organic redox flow battery (NAORFB) has been considered as a promising energy-storage device in the stationary storage field. Yet the insufficient Cl − conductivity of anion exchange membrane (AEM) has become a crucial obstacle for neutral energy systems compared to their counterparts, such as H + and OH …
Emerging chemistries and molecular designs for flow batteries
Designing promising redox-active materials in terms of both energy density and stability is the major scientific challenge for flow batteries, and is also the most …
Designer Two-Electron Storage Viologen Anolyte Materials for Neutral Aqueous Organic Redox Flow Batteries …
Two-electron storage viologens were designed for energy-storage applications • Neutral aqueous organic redox flow batteries up to 1.38 V and 130 mW/cm 2 An integrated approach of synthesis, electrochemistry, and computational modelling • Molecular engineering
Designer Two-Electron Storage Viologen Anolyte Materials for Neutral Aqueous Organic Redox Flow Batteries …
Neutral aqueous organic redox flow batteries up to 1.38 V and 130 mW/cm 2 • An integrated approach of synthesis, electrochemistry, and computational modelling • Molecular engineering is a powerful strategy for developing redox-active molecules The Bigger ...
Advancements of non-viologen-based anolytes for pH-neutral aqueous organic redox flow batteries …
pH-neutral aqueous organic redox flow batteries Hong Sun 1,#, Feiyang Hu 2,#, Zirui Jiang 2, Zhiwen Cui 1, Mahalingam Ravivarma 2,*, Hao Fan 2, Jiangxuan Song 2,*, Duanyang Kong 1,* 1 State Key ...
Research progress on positive electrolytes for neutral aqueous organic redox flow battery …
Neutral aqueous organic redox flow batteries (AORFB) are a promising electrochemical energy storage technology owing to their low cost, easy performance regulation, and high operational safety. The technology uses water-soluble electromechanical active materials as electrolytes to store and release energy through their reversible oxidation-reduction …
Naphthalene diimides (NDI) in highly stable pH-neutral aqueous organic redox flow batteries …
In the present article, two different naphthalene diimides (NDI) are studied as negative electrolyte materials for pH-neutral aqueous organic/organometallic redox flow batteries. The two molecules, one core-unsubstituted NDI (2H-NDI) and one core-dimethylamino substituted NDI (2DMA-NDI) are coupled with a solubilized ferrocene …
Modular dimerization of organic radicals for stable and dense flow battery …
A neutral pH aqueous organic–organometallic redox flow battery with extremely high capacity retention. ACS Energy Lett. 2, 639–644 (2017). Article Google Scholar
Organic Flow Batteries: Recent Progress and …
Viologen-Decorated TEMPO for Neutral Aqueous Organic Redox Flow Batteries. Energy Material Advances 2021, 2021 …