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"

Related: Scientists make game-changing breakthrough on quest for next-gen battery: 'Magic will happen when costs come down'
https://www.thecooldown.com/green-tech/alternative-energy-storage-dirty-energy-renewable/