KRISS Develops Technology for Cost-Effective All-Solid-State Batteries
The Korea Research Institute of Standards and Science (KRISS) has developed a materials technology that reduces the production costs of all-solid-state batteries to one-tenth of conventional levels by addressing lithium evaporation issues during high-temperature processing. Utilizing Li-Al-O-based multifunctional compounds, the technology achieves over 98.2% density and more than double the ionic conductivity, enabling the production of large-area solid electrolyte membranes with a 99.9% yield. This advancement is poised to enhance domestic production of next-generation battery materials in South Korea.
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The Korea Research Institute of Standards and Science (KRISS) developed a materials technology that significantly reduces the production costs of all-solid-state batteries (ASSBs) to one-tenth of conventional levels. This technology addresses lithium evaporation issues during the high-temperature sintering process of garnet-type solid electrolytes.
The approach involves applying Li-Al-O-based multifunctional compounds to solid electrolyte powders, achieving over 98.2% density and enhancing ionic conductivity by more than twofold. The research team produced large-area solid electrolyte membranes measuring 16 cm² with a yield of 99.9%. This advancement is expected to facilitate domestic production of next-generation battery materials in South Korea.
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