Can a water treatment facility repurpose a chemical for energy storage?

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. The design provides a pathway to a safe, economical, water-based, flow battery made with Earth-abundant materials.

What are the critical charge storage performance metrics of RFB electrolytes?

Generally, the active species in RFB electrolytes and its redox reaction kinetics on the electrodes define critical charge storage performance metrics of; energy and power densities, redox cycling stability, and energy efficiency .

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.

Are rechargeable flow batteries cheaper?

Rechargeable flow batteries, which store energy in tanks filled with liquids, have the potential to be cheaper than their conventional, solid cousins. They are also more adaptable to the needs of electrical grids, which are starting to rely on intermittent sources of energy such as wind and solar cells.

Are redox flow batteries a viable option for e-mobility and stationary storage?

The current status of EES deployment worldwide sees Li-ion technology widely adopted for e-mobility and short duration stationary storage . Redox flow batteries (RFBs) have been identified as an economically feasible option for long duration and utility-scale energy storage , .

What is a Segre flow battery?

Segre's battery uses nanoparticles of nickel and nickel hydroxide suspended in a potassium-based electrolyte. The challenge in making flow batteries viable lies in finding designs and chemistries that provide good long-term storage, desirable current and voltage characteristics, a long lifespan and a competitive price.