材料科学
电解质
锂(药物)
阳极
界面热阻
氧化物
单层
化学工程
聚合物
热阻
化学物理
复合材料
热的
电极
纳米技术
热力学
物理化学
化学
医学
物理
工程类
冶金
内分泌学
作者
Wenpei Zhao,Shichun Wang,Leping Zhou,Xiaoze Du
标识
DOI:10.1016/j.ijheatmasstransfer.2023.124864
摘要
Solid-state lithium-ion batteries, as a new generation of high energy density electrochemical energy storage devices, need to meet more stringent thermal management standards. In this work, the interfacial thermal transport phenomena between a polyethylene oxide based solid electrolyte and a lithium anode in solid-state lithium-ion batteries was investigated by using a non-equilibrium molecular dynamics simulation method. To reveal the internal heat transport mechanism of the batteries at the microscopic level and to enhance the heat dissipation in them, IVA group two-dimensional monolayer materials such as graphene, silicene, and germanene were inserted at the interface and the interfacial thermal resistances were calculated to compared with the pristine interface. It was found that interfacial interactions were enhanced and the lattice vibrations were coupled by inserting the monolayer materials. Also, compared to the pristine interface, the interfacial thermal resistance was reduced by 83.89 %, 76.05 % and 55.99 %, respectively. Thus, this work provides valuable insights into the thermal transport between electrodes and electrolytes in solid-state lithium-ion batteries, and provides methodological references for improving the heat dissipation and thermal management efficiency inside the batteries.
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