China connects world’s largest vanadium flow battery project
The GWh-scale long-duration energy storage project is expected to reduce curtailment in Xinjiang, a region of China with high solar and wind generation, and transmission bottlenecks. The flow battery installation is co-located with a PV plant.
U.S. startup unveils zinc-polyiodid redox flow battery with energy density of 320 Wh/L
BESSt announced that its new redox flow battery technology delivers 20 times the energy density of conventional vanadium flow storage systems. The battery is based on a zinc–polyiodide redox flow chemistry developed by the Pacific Northwest National Laboratory.
Chinese scientists build polysulfide-iodide redox flow battery with 87.9% energy efficiency
Scientists in China designed a suplhuer-based redox flow battery with a peak power density of 95.7 mW cm2 and an average energy efficiency of 76.5% at 30 mA cm2 within 50 cycles.
Australian startup offers retractable PV sytem with containerized vanadium redox flow battery
A Western Australia-based hybrid solar and battery system developer has demonstrated its hybrid units deployed in remote locations for businesses and communities can potentially replace around 150 litres of diesel per day.
World’s largest vanadium redox flow project completed
Dalian-headquartered Rongke Power has completed the construction of the 175 MW/700 MWh vanadium flow battery project in China, growing its global fleet of utility-scale projects to more than 2 GWh.
Switzerland to host world’s largest redox flow storage project
Flexbase plans to build a 500 MW redox flow storage project in Laufenburg in early 2025.
Australian redox flow battery manufacturer ramps up capacity
Allegro Energy, an Australian redox flow battery developer, aims to “rapidly accelerate” its manufacturing capacity after closing a AUD 17.5 million ($11.6 million) funding round that attracted major domestic and international investors.
Iron-based redox flow battery for grid-scale storage
Researchers in the U.S. have repurposed a commonplace chemical used in water treatment facilities to develop an all-liquid, iron-based redox flow battery for large-scale energy storage. Their lab-scale battery exhibited strong cycling stability over one thousand consecutive charging cycles, while maintaining 98.7% of its original capacity.
CMBlu Energy’s organic flow batteries to be tested in microgrids, cold climates
The US Department of Energy’s (DoE) Argonne National Laboratory and Idaho National Laboratory will carry out demonstration projects to validate long-duration energy storage tech developed by German manufacturer CMBlu Energy. The collaborative project is designed to improve microgrids in cold climates and make fast charging of electric vehicles more affordable in underserved communities.
VoltStorage unveils vanadium redox flow battery for commercial use
Germany’s VoltStorage says its containerized 50 kWh vanadium redox flow battery solution can be scaled up to 500 kWh.
