Should electrical energy storage technologies be used in a future energy system?

The need for electrical energy storage technologies (EEST) in a future energy system, based on volatile renewable energy sources is widely accepted. The still open question is which technology should be used, in particular in such applications where the implementation of different storage technologies would be possible.

How does storage capacity affect the footprints of power-to-Gas Technologies?

The results of a sensitivity analysis show that lifetime and storage capacity have a comparable high influence on the footprints. The GHG emissions and the material use of the power-to-gas technologies, the vanadium redox flow battery as well as the underwater compressed air energy storage decline strongly with increased storage capacity.

Is lithium ion the future of stationary energy storage?

The second gap involved technology. "I didn't believe lithium ion was the future of stationary energy storage," Michaelson says, referring to fixed-location energy storage systems for homes, businesses, and industrial facilities—distinct from mobile applications like electric vehicles. The third gap went deeper than business fundamentals.

What types of energy storage are considered EEST?

The considered EEST were lead-acid, lithium-ion, sodium-sulphur, vanadium redox flow and stationary second-life batteries. In addition, two power-to-gas plants storing synthetic natural gas and hydrogen in the gas grid and a new underwater compressed air energy storage were analysed.