Flow brand equipment energy storage

How do flow batteries store energy?

Flow batteries, like the one ESS developed, store energy in tanks of liquid electrolytes—chemically active solutions that are pumped through the battery’s electrochemical cell to extract electrons. To increase a flow battery’s storage capacity, you simply increase the size of its storage tank.

What are iron 'flow batteries' ESS building?

The iron “flow batteries” ESS is building are just one of several energy storage technologies that are suddenly in demand, thanks to the push to decarbonize the electricity sector and stabilize the climate.

Are flow batteries the future of energy storage?

Flow batteries have the advantage of being scalable. If there is a need to increase capacity in the future, it is relatively simple to swap in larger tanks that hold more electrolyte. Flow batteries are just beginning to be taken seriously in the energy storage market.

Who is testing flow battery technology?

The flow battery technology will be tested by Duke Energy at its Emerging Technology and Innovation Center in Mount Holly, N.C. The company has more than a decade of experience testing various battery chemistries and has deployed numerous large-scale energy storage projects across the country.

What is a Technology Strategy assessment on flow batteries?

This technology strategy assessment on flow batteries, released as part of the Long-Duration Storage Shot, contains the findings from the Storage Innovations (SI) 2030 strategic initiative.

Why should a flow battery be kept in an external tank?

But with a flow battery, keeping the electrolyte in an external tank means that the energy-storing part is separate from the power-producing part. This decoupling of energy and power enables a utility to add more energy storage without also adding more electrochemical battery cells.