Georgia zinc iron liquid energy storage project

What technological progress has been made in zinc-iron flow batteries?

Significant technological progress has been made in zinc-iron flow batteries in recent years. Numerous energy storage power stations have been built worldwide using zinc-iron flow battery technology. This review first introduces the developing history.

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.

Why are zinc-iron redox flow batteries difficult to develop?

However, the development of zinc–iron redox flow batteries (RFBs) remains challenging due to severe inherent difficulties such as zinc dendrites, iron (III) hydrolysis, ion-crossover, hydrogen evolution reactions (HER), and expensive membranes which hinder commercialization.

What are the advantages of zinc-iron flow batteries?

Especially, zinc-iron flow batteries have significant advantages such as low price, non-toxicity, and stability compared with other aqueous flow batteries. Significant technological progress has been made in zinc-iron flow batteries in recent years.

Will Georgia's energy storage project improve grid resiliency?

“We expect this energy storage project to enhance grid resiliency and enable the deployment of increased intermittent emission-free energy on Georgia’s electric grid,” said Oglethorpe Power President & CEO Mike Smith.

Can an electrolyte bind and store charged iron in a liquid complex?

"We were looking for an electrolyte that could bind and store charged iron in a liquid complex at room temperature and mild operating conditions with neutral pH," said senior author Guosheng Li, a senior scientist at PNNL who leads materials development for rechargeable energy storage devices.