Scientists in China have developed a smart window that not only heats and cools a building, but can also act as an energy storage device to power electrical equipment within the building.
Smart windows are already in use in some buildings; they are used to reduce energy consumption by keeping the interiors cool and controlling the light levels within. An example of this is in museums, where artifacts could be damaged by too much sunlight.
Read the full article in Chemistry World
Integrated energy storage and electrochromic function in one flexible device: an energy storage smart window
Kai Wang, Haiping Wu, Yuena Meng, Yajie Zhang and Zhixiang Wei
Energy Environ. Sci., 2012, Advance Article