Although solar panels generate electricity while the sun is shining, often that electricity isn't needed until the sun goes down. This is why some systems incorporate water tanks. The water is heated during the day via the panels, then that stored heat is used to generate electricity when it's needed. While the tanks are effective, they also take up a lot of space, making them difficult to fit into peoples' homes. A newly-developed device, however, stores just as much heat in half the space – using paraffin instead of water... Continue Reading Heat-energy storage device could make household solar power more feasible

Section: Around The Home

Tags: Electricity, Energy, Phase change material, Prototype, Solar Power, Solar Thermal

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