气凝胶在商用车冷藏货厢保温材料中的应用研究

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中图分类号：U465 DOl：10.20042/j.cnki.1009-4903.2025.02.025

Abstract：Thispapercreativelyproposedtheideaofaplyingtheaerogelmateriawiththelowestthermalconductivitytothepanel materialofrefrigeratedargoboxdesignedavarietyoferogelfelt+X/PUcompositematerialtructuresandcarredoutsample preparation.Bymeasuringthetheralconducityeatransfercoeficientandtheralresistanceoferogelfelt+XPS/PUoposite materialsampleswithliferentstructures，itwasclearhattheaerogelfelt+XPS/PUcompositematerialhaslowerthermalouctiity andheatransfercoeficient hanthepureXPS insulationboardandpurePUinsulationboardcommonlyusedinrefrigeratedcargo boxesatpresent，providinganewselectionbasisforthenewgenerationofenergysavingandconsumptionreducingthermalinsulation materials forrefrigeratedcargoboxes.

KeyWords：XPSinsulationboard; PUinsulationboard; Aerogelfelt; thermalconductivity; heat-transfercoeficient

0 引

随着新能源汽车的迅猛发展，截至2024年，中国新能源商用汽车的渗透率已突破 20% 。（剩余6942字）