China: 'World's largest' iron-chromium flow battery set for commercial use

https://interestingengineering.com/innovation/worlds-largest-iron-chromium-flow-battery

"6,000 kWh 6 hrs... 34 Ronghe 1" iron-chromium flow battery stacks and 4 sets storage tanks megawatt to go commercial... quick reaction, flexible configuration, and "short construction periods... ensure stable grid operations by shaving peak and modulating frequency for the power system, as power consumption during off-peak hours is at a relatively lower price"

Related:

Revolutionising the grid: Flow batteries pave the way for sustainable energy storage

https://innovationorigins.com/en/revolutionising-the-grid-flow-batteries-pave-the-way-for-sustainable-energy-storage/

Next-generation flow battery design sets records

https://techxplore.com/news/2023-07-next-generation-battery.html

The role of energy density for grid-scale batteries

https://techxplore.com/news/2023-08-role-energy-density-grid-scale-batteries.html

A Radical Breakthrough in Flow Battery Catholyte

https://chemistrycommunity.nature.com/posts/a-radical-breakthrough-in-flow-battery-catholyte

Texas Strikes Clean Tech Gold with Breakthrough Flow Battery Manufacturing

https://green.org/2024/04/03/texas-strikes-clean-tech-gold-with-breakthrough-flow-battery-manufacturing/