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Energy storage: the key to a decarbonised future

Setec Powerr

Others solid battery types are nickel-cadmium and sodium-sulphur, while zinc-air is emerging. Energy storage with hydrogen, which is still emerging, would involve its conversion from electricity via electrolysis for storage in tanks. Batteries encompass a range of chemistries.

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Waiting for Superbatteries

Cars That Think

But in a world that aspires to leave behind all fuels (except hydrogen or maybe ammonia) and to electrify everything, the preferred measure of stored energy density is watt-hours per liter. Soft wood, such as spruce or pine, packs less than 10 megajoules per liter, whereas bituminous coal has 2.5 less than 1/1,000 the density of kerosene.