On a fundamental level, electric grids require balance in order to function properly. Energy storage technologies are emerging as a means of providing grid operators with an alternative to traditional grid management. Key applications for long-duration energy storage include counterbalancing the intermittency of renewable energy sources like wind and solar power, leveling the loads and time-shifting periods of peak demand on the grid, and avoiding or delaying the construction of costly transmission and distribution ...
The above shows a working mock-up for the said Mg-Air Battery. A propeller driven by an electric motor connected to the battery started to revolve when water is supplied with a dropper and continued running for hours during the meeting. The mock-up battery shown above continued to run for several days on end.
Among those metal elements with which we can use water as electrolyte, magnesium has the largest ionization tendency. Magnesium offers the best possibility to make a high performance battery. Further, magnesium is found in large deposit all over the Earth, and even it exists almost inexhaustibly dissolved in the sea water.