Chalmers University of Technology Rechargeable Cement-based Batteries

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Chalmers University of Technology in Sweden has developed a concept for rechargeable cement-based batteries. The batteries are made of a cement-based mixture with added carbon fibers for conductivity and toughness, along with metal-coated carbon fiber mesh for the electrodes. The average energy density of the battery is 7 Watthours per square meter. The researchers envision using these batteries in buildings for energy storage and various applications.