量子ビームで拓くイオン交換膜の未来 ～カーボンニュートラル実現に向けて～

抄録

In the global framework of Sustainable Development Goals (SDGs), the Japanese government, like many other goverments of industrialized countries, declared its plan to go carbon neutral in real terms by 2050. This paper describes the application of quantum–beam–based technology to the R&Ds of ion–exchange membranes toward the 2050 carbon neutrality. The gamma–ray or electron–beam induced grafting offers a better way to prepare cation– and anion–exchange membranes (CEMs and AEMs). The approach using ion–track technology results in the preparation of “nano–structure controlled” CEMs and AEMs, which have perfect one–dimensional ion–conductive pathways parallel to their thickness direction. The hierarchical structures of the CEMs and AEMs, ranging from nanometers to micrometers, are revealed by small–angle scattering experiments using a cold or thermal neutron beam. I believe that quantum–beam technology can be developed as a powerful tool in the field of high–efficiency electrochemical energy devices and systems.