A physical organic chemistry approach to developing cyclopropenium-based energy storage materials for redox flow batteries

R Walser-Kuntz, Y Yan, MS Sigman… - Accounts of Chemical …, 2023 - ACS Publications
Conspectus Redox flow batteries (RFBs) represent a promising modality for electrical
energy storage. In these systems, energy is stored via paired redox reactions of molecules …

Organic redox flow battery: Are organic redox materials suited to aqueous solvents or organic solvents?

A Ramar, FM Wang, R Foeng, R Hsing - Journal of Power Sources, 2023 - Elsevier
Redox flow battery (RFB) systems have been developed to meet both the high-capacity
energy storage demands and the safety concerns associated with the commonly used …

Development of high-voltage and high-energy membrane-free nonaqueous lithium-based organic redox flow batteries

RK Gautam, X Wang, A Lashgari, S Sinha… - Nature …, 2023 - nature.com
Lithium-based nonaqueous redox flow batteries (LRFBs) are alternative systems to
conventional aqueous redox flow batteries because of their higher operating voltage and …

Multi-objective goal-directed optimization of de novo stable organic radicals for aqueous redox flow batteries

SS SV, JN Law, CE Tripp, D Duplyakin… - Nature Machine …, 2022 - nature.com
Advances in the field of goal-directed molecular optimization offer the promise of finding
feasible candidates for even the most challenging molecular design applications. One …

Indolo[2,3-b]quinoxaline as a Low Reduction Potential and High Stability Anolyte Scaffold for Nonaqueous Redox Flow Batteries

W Zhang, R Walser-Kuntz, JS Tracy… - Journal of the …, 2023 - ACS Publications
Redox flow batteries (RFBs) are a promising stationary energy storage technology for
leveling power supply from intermittent renewable energy sources with demand. A central …

Suppressing crossover in nonaqueous redox flow batteries with polyethylene-based anion-exchange membranes

CR Peltier, Z Rhodes, AJ Macbeth, A Milam… - ACS Energy …, 2022 - ACS Publications
Redox flow batteries (RFBs) are a promising solution to grid-scale energy storage that utilize
solvated redox-active species to store charge. These electrolytes are flowed over stationary …

High-energy and long-lasting organic electrode for a rechargeable aqueous battery

MH Lee, G Kwon, H Lim, J Kim, SJ Kim, S Lee… - ACS Energy …, 2022 - ACS Publications
Redox-active organic materials (ROMs) hold great promise as potential electrode materials
for eco-friendly, cost-effective, and sustainable batteries; however, the poor cycle stability …

Development of high energy density diaminocyclopropenium‐phenothiazine hybrid catholytes for non‐aqueous redox flow batteries

Y Yan, DB Vogt, TP Vaid, MS Sigman… - Angewandte Chemie …, 2021 - Wiley Online Library
This report describes the design of diaminocyclopropenium‐phenothiazine hybrid catholytes
for non‐aqueous redox flow batteries. The molecules are synthesized in a rapid and …

Micellar Solubilization for High‐Energy‐Density Aqueous Organic Redox Flow Batteries

Y Kim, G Kwon, SO Park, H Kim, J Kim… - Advanced Energy …, 2023 - Wiley Online Library
High solubility of active materials is crucial for achieving a high‐energy‐density
catholyte/anolyte in redox flow batteries. However, solubility largely depends on the …

The key role of molecular aggregation in rechargeable organic cathodes

Y Wang, W Zhang, J Yang, Y Gong, J Zhang, M Fang… - Matter, 2022 - cell.com
Rechargeable organic cathodes have reignited widespread research interest in lithium
batteries. Most research attention is currently paid to their molecular chemistry to increase …