Japan breaks photovoltaics laws in the world — First-ever titanium solar panel makes history

📰 IN NEWS – Japan Develops World’s First Titanium Solar Panel

  • Japanese scientists at the University of Tokyo have created the world’s first titanium-based solar panel, marking a revolutionary shift from traditional silicon panels.
  • This innovation combines titanium dioxide and selenium layers, enabling energy conversion potentially 1000× more efficient than silicon.
  • Titanium is lightweight and corrosion-resistant, but previously considered too expensive due to energy-intensive extraction.
  • The researchers developed a new purification technique using rare earth metal yttrium, which reduces oxygen content in titanium to 0.02%, dramatically lowering production costs.
  • Challenge: Possible yttrium contamination (~1%) could reduce corrosion resistance and longevity, especially in extreme conditions (e.g. aerospace).
  • The technology is drawing global interest as it could transform solar energy production and also benefit sectors like batteries, electronics, and medical prosthetics.
  • Seen as a possible next-generation alternative to silicon panels, aligning with clean energy and climate goals.

    Updated -  July 3, 2025 ; 3:34 PM | https://www.ecoticias.com/