Redflow to build 20 MWh redox-flow battery in California
Redflow, an Australian redox-flow battery manufacturer, will build one of the world’s largest zinc-based battery energy storage systems in the United States, after signing a multi-million-dollar deal with the California Energy Commission.
Hybridizing gravity energy storage with batteries, supercapacitors
Developed by Chinese researchers, the novel hybrid storage technology may achieve an efficiency of over 80% and be applied in distribution and transmission grids. The proposed combination is reportedly able to offer the advantages of gravity energy storage and power-based storage systems in a single solution.
Nickel-zinc battery systems with hydrogen, EV charging
ZincFive is supplying battery systems for Advanced Power & Energy’s hydrogen-fueling microgrid and pilot DC fast-charging station in Greenville, Pennsylvania
NGK starts operating sodium-sulfur battery storage for Japanese utility
NGK Insulators has switched on 1 MW/5.8 MWh of NAS batteries under a demonstration project to assess the performance of stationary storage at a site operated by Korea Electric Power Corp. (KEPCO).
German developer moves forward with minigrid project in Senegal
Germany’s development bank, KfW, is financing a new minigrid project in Senegal with a $138.8 million loan.
ACEN secures approval for 1.4 GW / 2.8 GWh battery in Australia
ACEN Australia has secured approval from the New South Wales state government for its expanded battery proposal, making it the largest battery in Australia at 1.4 GW/2.8 GWh. The battery will be built near the company’s 720 MW New England Solar project.
Deye unveils high-voltage hybrid inverters for rooftop PV applications
Deye’s new three-phase hybrid inverters have efficiency ratings of up to 97.60% and European efficiency ratings of 97.0%. They are available in five versions, with power outputs ranging from 29.9 kW to 50 kW.
UK plans to slash VAT on residential batteries
The UK cabinet plans to introduce a new measure to eliminate the value-added tax (VAT) on residential batteries installed after solar panels.
Calcium metal battery capable of more than 500 cycles
Researchers at Tohoku University in Japan have developed a prototype calcium battery with a long cycle life of more than 500 charge-discharge cycles. The battery was developed using a hydride-based electrolyte and copper sulfide nanoparticle/carbon composite cathode.
Australian startup reveals 20-layer battery cell based on semi-solid li-sulfur technology
Brisbane-based Li-S Energy has developed a 20-layer battery cell utilizing semi-solid state lithium sulfur battery technology. The company claims the new cell displays nearly double the gravimetric energy density and a comparable volumetric energy density to lithium-ion cells.
