<p>The procedure for power-heat coupling has chemical storage of electrical energy coupled to thermal energy release using the chemical reaction of charging and discharging. The thermal energy release is coupled with thermal energy storage and heat exchange. The loss heat release of electrical transformer units is coupled with thermal energy release. A high temperature battery is located inside a heat exchanger or heat store arrangement. It is subject to the surrounding air and also the heat storage medium. It has cooling ribs. It is joined through an inverter and controller to the mains distribution network and also with a solar cell plant.</p>
