[Japan’s development of cylindrical perovskite cells is expected to extend their lifespan] On September 23, a research team from the University of Electrical and Communications Technology in Japan developed technology that seals photovoltaic cell units in cylindrical glass tubes like fluorescent lamps. If the perovskite material is put into the glass tube, deterioration caused by rain and wind can be suppressed. The University of Electro-Communications in Japan is working to process the next-generation photovoltaic cell "perovskite" into a cylindrical shape to improve durability and strive to promote the practical application of related technologies. The cylindrical shape is expected to increase power generation compared to the flat shape. It is planned to establish an industry-university cooperation alliance in October to promote mass production technology development, application expansion and performance evaluation, and strive to achieve productization. (Nikkei Shimbun)