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"

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

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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

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

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

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https://techxplore.com/news/2024-06-advances-battery-technology-iron-chromium.html

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Iron-vanadium 1-megawatt-hour flow battery as a solar energy backup for gas well operations
https://www.spa.gov.sa/en/N2323522

Interfacial polymer cross-linking strategy enables ultra-thin polymeric membranes for fast and selective ion transport

https://www.eurekalert.org/news-releases/1088117