4Tokyo Metropolitan GymnasiumLocation: Shibuya City, TokyoCompletion: August 2025Number of luminaires: 35New Development GroupProduct Introduction We joined Tokyo’s Perovskite Solar Cell Demonstration ProjectThe joint project with the Tokyo Metropolitan Government, Ricoh Co., Ltd., and Ricoh Japan CorporationWe were responsible for manufacturing the garden lights incorporating perovskite solar cells installed at the Tokyo Metropolitan Gymnasium as part of the Perovskite Solar Cell Demonstration Project. This was an initiative of Ricoh Co., Ltd. and Ricoh Japan Corporation in collaboration with the Tokyo Metropolitan Government.As part of the Tokyo Metropolitan Government’s “Air Solar” initiative to promote the adoption of renewable energy, this project promoted the adoption of lighting fitted with lightweight and highly efficient perovskite solar cells in public settings. Air Solar installations provide high power generation efficiency, even in low-light environments and vertical installations. They are expected to be widely adopted in locations where garden lighting has proven difficult to install in the past.For this demonstration, a total of 35 garden lights were installed at the Tokyo Metropolitan Gymnasium. Their power generation performance, durability, and operational effectiveness were comprehensively verified. We remain committed to promoting the emergence of a society dedicated to sustainability through the development of products and technologies that support the public adoption of next-generation energy technologies.
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