Recent research has demonstrated a new method of tailoring the fluorine-rich solid electrolyte interphase (SEI) layer for improved lithium-ion battery performance. This new approach provides a promising solution for improving the safety and performance of lithium-ion batteries.

The SEI layer plays an important role in the performance and safety of lithium-ion batteries, as it prevents the direct contact of the electrolyte with the electrode and protects the electrode from degradation. The development of a tailored SEI layer could help to increase the battery’s energy density and safety, while also allowing for faster charging.

The research team developed a novel method of forming a tailored SEI layer, which involves introducing fluorine-containing molecules into the electrolyte solution. This increases the concentration of fluorine, leading to the formation of a fluorine-rich SEI layer. The resulting SEI layer is highly stable and exhibits improved electrochemical properties, such as higher rate capabilities and increased energy density.

This new method of tailoring the SEI layer has the potential to revolutionize the lithium-ion battery industry, allowing for improved performance and safety of lithium-ion batteries. Researchers are now looking to further explore the potential of this technique and its applications in different battery

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source: Phys.org