KERI Advances All-Solid-State Battery Stability Using Nano Tin Interlayer
KERI has developed a nano tin interlayer to enhance the stability and performance of all-solid-state batteries, achieving over 81% capacity retention after 500 cycles. This innovation addresses critical interfacial resistance issues, potentially accelerating the commercialization of all-solid-state battery technology.
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KERI's research team has successfully created a nano tin powder interlayer that significantly lowers interfacial resistance in all-solid-state batteries. This advancement achieved more than 81% capacity retention after 500 cycles at low pressure (2 MPa) and provided an energy density greater than 350 Wh/kg.
Traditional methods, such as high-pressure systems, have been costly and inefficient for commercial applications. The research, led by Dr. Nam Ki-Hun and Dr.
Kim Youngoh, also involved first-principles simulations to understand lithium transport within tin-based alloys. A patent application has been submitted for this technology, which may enable future industries reliant on high-performance batteries, including electric vehicles and energy storage systems.
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