Flow batteries could be a big part of our energy storage future

A clean energy development this week in the San Diego area isn’t much to look at. Workers will deliver four white shipping containers that house battery storage systems. Soon after, workers will hook up the containers so they can store electricity from a nearby solar array.

The part that I care about is the “flow battery” technology inside those shipping containers, developed by ESS Tech Inc., an Oregon startup. Flow batteries have the potential to be an important part of the energy transition because they can provide electricity storage that runs for much longer than the typical four hours of the dominant technology, lithium-ion batteries.

So what is a flow battery? A key design element is the use of two external tanks that contain electrolyte fluids that get pumped through the battery as it charges and discharges.

Ferro-Alloy Resources Limited (LON:FAR) is developing the giant Balasausqandiq vanadium deposit in Kyzylordinskaya oblast of southern Kazakhstan.  The ore at this deposit is unlike that of nearly all other primary vanadium deposits and is capable of being treated by a much lower cost process.

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