Privatte membranes with unique 3D structure achieve current densities of 500 mA/sq cm, setting a new standard for flow batteries

https://cibc.hr/revolutionary-battery-breakthrough-efficient-energy-storage-is-here/

"economic/ eco-friendly poly(ether ether ketone) membranes... better ion conductivity/ chemical stability... high-efficiency applications, such as grid storage for renewable energy or electric vehicle charging stations"