Kyushu University · Engineering
Professor Shigeto Okada's research lab specializes in the development and characterization of advanced materials for energy storage applications, with a strong focus on solid-state batteries and multivalent ion batteries. The lab investigates novel electrode materials such as transition metal phosphates, chalcogenides, and tin-sulfide compounds, emphasizing high reversibility, structural stability, and interfacial compatibility in all-solid-state systems. Key research directions include the design of NASICON-type catholytes, optimization of solid electrolytes like Li1.5Al0.5Ge1.5(PO4)3, and understanding electronic and structural transitions in materials such as ZrTe5. The lab combines experimental synthesis with detailed physical characterization to advance next-generation battery technologies.
Figures are computed from collected data and may differ slightly.
The group-IV transition-metal penta-chalcogenide, ZrTe 5 , shows a giant peak of the electrical resistivity around 150 K, suggestive of a structural phase transition.
Abstract not Available.
Due to their highly reversible capacity, tin-sulfide-based materials have gained attention as potential anodes for sodium-ion and lithium-ion batteries.
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