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About battery energy density?

The energy density of the battery is about 100~150Whkg.

Energy density refers to the energy released by the battery per unit mass or unit volume, that is, volume specific energy or mass specific energy.

Both energy density and power density are variable quantities. After the battery is used for many times, the energy density and power density will decrease, and these two quantities also change with the environment.

For example, in extremely cold or hot seasons, they will change to a certain extent. Batteries are divided into positive and negative electrodes.

Lithium-sulfur batteries have the highest energy density among all primary batteries, and the specific energy can reach 590W·h/kg and 1100 (watt-hours per cubic decimeter).