See: Full  oxidation and reduction liquid flow battery

Lead -acid storage batteries are generally used at high power occasions, which are mainly used for storage of emergency power, battery vehicles, and power plants. You can also use dry batteries that can be recharged repeatedly: such as nickel -metal hydride batteries, lithium -ion batteries, etc.

Inductor energy storage

The inductor itself is an original energy storage. The electric energy stored is proportional to its own inductance and the square of its own current: e = L*I*I/2. Because the inductance has resistance at normal temperature, the resistance needs to be consumed, so many energy storage technologies use superconductors. The inductive energy storage is not mature, but there are also examples of applications.

Capacitor storage

Capacitors are also an original energy storage. The electrical energy stored is proportional to the square capacity of its own capacitance and end voltage: e = c*u*u/2. Capacitor energy storage is easy to maintain and does not require superconductors. The important point of capacitive energy storage is to provide instantaneous high power, which is very suitable for applications such as laser, flash and other applications.

Gravity potential energy storage

See: pumping storage power station

When the power demand is low (such as at night), use electricity to pump the water to the top of the mountain.