When the house becomes a battery: Student develops concrete that stores electricity

Autark will generate its own electricity and store it in an in-house battery: Many homeowners at least think about this possibility or have already decided on a system. But what if no more expensive battery purchase is necessary, but the building itself can store electricity in its walls and ceilings? A Coburger student paves the way with his invention to this utopia. House walls that store electricity? No more utopia! Is a revolution in buildin…