➀ A research team at Pohang University of Science and Technology has developed a strategy to enhance the durability of lithium-rich layered oxide (LLO) materials, a next-generation cathode for lithium-ion batteries (LIBs).; ➁ This advancement could extend battery lifespans and enhance their viability for commercial applications.; ➂ The research focuses on oxygen release during charge-discharge cycles and optimizing electrolyte composition to improve battery performance.