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The constantly growing demand for energy storage is driving research and development in battery technology. The sodium-ion battery is a reliable and affordable replacement for lithium-ion batteries. The easy accessibility and availability of sodium make sodium-ion batteries more attractive and competitive.

By using elements that are abundant in the Earth and adjusting the phase growth of the layered oxide cathode, a long-cycle, high-energy sodium-ion battery has now been developed and validated at 165 Wh/kg with the collaboration of Dr. Qingsong Wang, junior group leader at the Chair of Inorganic Active Materials for Electrochemical Energy Storage.