Hiroaki Kobayashi

Boron Nitride-Dispersed Calcium Borohydride Tetrahydrofuran Composite Electrolytes for Solid-State Calcium Batteries

Abstract All-solid-state calcium-metal batteries have gained significant interest due to their advantages of low reduction potential, high energy capacity, and promising resource availability by using the Ca-metal anode. To date, hydrides have attracted attention as solid electro...

Development of Ultrasmall Manganese Oxides for Multi-Functional Applications

Abstract Manganese oxides have attracted considerable attention as sustainable functional materials owing to their earth abundance, rich redox chemistry, and structural diversity. Particle-size engineering has emerged as an effective strategy for enhancing their electrochemical a...