Fig. 13

The process outline for a thermal energy storage battery. Specific case of the Rondo heat battery. Image courtesy of: Rondo Energy223. In the figure, (1): turning intermittent electricity to heat; (2) thermal radiation warming bricks up to 1500 °C; (3) on-demand or continuous delivery of heat; (4) superheated air- or steam-based heat delivery; and (5) heat utilization in an industrial process.