Redflow comissions 30 kWh zinc-bromine flow battery project in Australia
Queensland-based flow battery company, Redflow, has commissioned a 30 kWh zinc-bromine flow battery for the Brisbane City Council.
Aqueous redox flow battery based on naphthalene diimide achieves high capacity retention
Scientists in South Korea have developed a highly soluble, stable organic redox-active molecule for use in aqueous redox flow batteries. The newly developed naphthalene diimide (NDI) molecule offered higher storage capacity than existing vanadium devices.
Overcoming thermal issues of vanadium redox flow batteries
Chinese scientists have analyzed reports of thermal issues with vanadium redox flow batteries (VRFB) and existing thermal management methods. They say the operating temperature should be maintained in the range of 10 C to 40 C to ensure VRFBs with high efficiency, weak side reactions, high electrolyte stability, and low crossover.
Zinc-bromine redox flow batteries with superpower density
Indian researchers have presented a new way to develop effective electrode materials for superpower redox flow battery (RFB) systems. Their flow cell with heat-treated nickel-rich platinum-nickel coating on the graphite felt delivered an impressive ever-best power density of around 1,550 mW cm−2.
India’s Delectrik Systems starts commercial production of containerized redox flow battery systems
Delectrik Systems says multiple units of its 200 kWh battery system can be connected to build MWh-scale energy storage systems for use in on-grid and off-grid applications.
Scientists identify molecules for potential use in redox flow batteries
Scientists at the Dutch Institute for Fundamental Energy Research (DIFFER) have set up a database of 31,618 molecules that could potentially be used in future redox flow batteries. They used artificial intelligence and supercomputers to identify the properties of the molecules.
Lithium-vanadium battery for renewables storage
AMG Advanced Metallurgical Group has energized its first hybrid storage system based on lithium-ion batteries and vanadium redox flow batteries in Germany. The system reportedly combines the advantages and electrochemical properties of both storage technologies.
Quinone flow battery for grid-scale renewables storage now close to commercial viability
US startup Quino Energy has raised more than $7.8 million to scale up its quinone redox flow battery technology. Harvard University and University of Cambridge researchers came up with the initial research for the battery design.
Zinc-cerium redox flow battery for renewable energy storage
Scientists in Hong Kong have designed a redox flow battery with electrolytes made of zinc and cerium. They claim to have solved the incompatibility issue posed by these two elements. The device achieved a record average Coulombic efficiency of 94% during cycling.
PV with gravity storage, redox flow batteries in buildings
Indian researchers have developed a new hybrid system featuring a conventional rooftop PV system, a solar tree, two gravity power modules for building (GPMBs), and a vanadium redox flow battery (VRFB), with power exclusively provided by the two solar installations.
