Anode Interlayers To Reduce Interfacial Resistance Of Solid-State Li-Metal Batteries And Prevent Short-Circuit Formation


A technical paper titled “Design Strategies for Anodes and Interfaces Toward Practical Solid-State Li-Metal Batteries” was published by researchers at Samsung Advanced Institute of Technology.


“Solid-state Li-metal batteries (based on solid-state electrolytes) offer excellent safety and exhibit high potential to overcome the energy-density limitations of current Li-ion batteries, making them suitable candidates for the rapidly developing fields of electric vehicles and energy-storage systems. However, establishing close solid-solid contact is challenging, and Li-dendrite formation in solid-state electrolytes at high current densities causes fatal technical problems (due to high interfacial resistance and short-circuit failure). The Li metal/solid electrolyte interfacial properties significantly influence the kinetics of Li-metal batteries and short-circuit formation. This review discusses various strategies for introducing anode interlayers, from the perspective of reducing the interfacial resistance and preventing short-circuit formation. In addition, 3D anode structural-design strategies are discussed to alleviate the stress caused by volume changes during charging and discharging. This review highlights the importance of comprehensive anode/electrolyte interface control and anode design strategies that reduce the interfacial resistance, hinder short-circuit formation, and facilitate stress relief for developing Li-metal batteries with commercial-level performance.”

Find the technical paper here. Published August 2023.

Yoon, Gabin, Sewon Kim, and Ju-Sik Kim. “Design Strategies for Anodes and Interfaces Toward Practical Solid-State Li-Metal Batteries.” Advanced Science (Weinheim, Baden-wurttemberg, Germany) (2023): e2302263-e2302263.

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