The batteries store sufficient energy to maintain an uninterrupted power supply, since the station will spend 30 of every 90 minutes out of sunlight.
But batteries can generally store significantly more energy per unit mass than electrochemical capacitors.
Nearly all automotive manufacturers have prototypes that use capacitors instead of batteries to store energy.
Contrary to popular belief, batteries do not store electricity.
A lead-acid battery can store only 25 watt-hours per kilogram.
The lead-acid batteries store 17 kilowatt-hours, which would run a house for a day.
These batteries then store this energy for later use.
He expects Li-ion batteries will store 30 to 40 percent more power without growing in size, and that's just his conservative estimate.
The reason why we rely on fuels is because batteries can't store the energy with enough density or discharge it quickly enough.
In the case of a wind farm, the battery would store energy during times of high wind but low power demand.