Iron liquid flow battery 10 billion

Can iron-based aqueous flow batteries be used for grid energy storage?

A new iron-based aqueous flow battery shows promise for grid energy storage applications. A commonplace chemical used in water treatment facilities has been repurposed for large-scale energy storage in a new battery design by researchers at the Department of Energy's Pacific Northwest National Laboratory.

What is an iron flow battery?

In the 1970s, scientists at the National Aeronautics and Space Administration (NASA) developed the first iron flow batteries using an iron/chromium system for photovoltaic applications. Over the next decade, these unique systems, which combine charged iron with an aqueous liquid energy carrier, were improved upon for large-scale energy storage.

Are iron-based aqueous redox flow batteries the future of energy storage?

The rapid advancement of flow batteries offers a promising pathway to addressing global energy and environmental challenges. Among them, iron-based aqueous redox flow batteries (ARFBs) are a compelling choice for future energy storage systems due to their excellent safety, cost-effectiveness and scalability.

How much does an iron-based flow battery cost?

Companies like ESS Tech, Inc. in the USA have made significant strides in developing and commercializing acidic all-iron ARFBs and the U.S. Advanced Research Projects Agency-Energy estimates that this iron-based flow battery would achieve an energy storage cost as low as $125 per kWh .