Speaker : Prof Ryo Nakayama, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, Japan

Abstract :

Thin-film model systems offer a powerful platform for studying interfacial phenomena in solid-state lithium batteries and complex hydride electrolytes.  At the Li₃PO₄/LiCo₀.₅Mn₁.₅O₄ interface in a thin-film lithium batteries, the resistance increases above 5 V vs Li/Li+ due to interfacial layer formation but relaxes over time, indicating reversible behavior.  Epitaxial NaBH₄ thin films have been successfully fabricated via infrared pulsed-laser deposition, allowing control over growth orientation which is useful for interface study. These findings highlight the effectiveness of thin films in elucidating interface properties and advancing solid-state energy materials.

Contact: Pierre RABU : pierre.rabu@ipcms.unistra.fr