Due to its good safety and high theoretical capacity, the research and development of solid-state lithium metal battery using solid electrolyte instead of liquid electrolyte has attracted much attention, so the development of solid electrolyte is also particularly important. 

The reporter learned from the school of materials and energy of Yunnan University on the 17th that Professor Guohong's team has recently made the latest progress in the research and development of new solid-state lithium metal organic batteries, and the international journal carbon energy has published relevant research results.

Based on the current research status and problems, and combined with the previous research foundation, Professor Guohong's team designed and prepared three covalent organic framework single lithium ion conductor materials regulated by lithium carboxylate.

They studied the electrostatic potential distribution of the three materials from the influence of different skeleton structures and the number of active sites on the conductivity and migration number of lithium ions, combined with theoretical calculations, and analyzed the differences of lithium ion migration paths and energy barriers by using density functional theory.

Issued by Tom, M&S, Jul. 22, 2022.

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