The invention discloses a phase change material, a preparation method and application of the phase change material in an electric automobile, and belongs to the technical field of heat storage of the electric automobile. The eutectic phase change material is prepared by melting mannitol and inorganic sodium salt, and the weight ratio of the mannitol to the inorganic sodium salt is (5.6-19): 1. According to the eutectic phase change material, the phase change temperature is 135-140 DEG C, the enthalpy value is 238-247J/g, and the eutectic phase change material is a medium-temperature phase change material which is excellent in thermal performance, low in price and safe.

    本发明公开了一种相变材料、制备方法及其在电动汽车中的应用,属于电动汽车蓄热技术领域。共晶相变材料,由甘露醇和无机钠盐熔融制得,所述甘露醇和无机钠盐的重量比为(5.6~19):1。本发明的共晶相变材料,相变温度为135‑140℃,焓值为238~247J/g,是一种热力性能优异、价格低廉、安全的中温相变材料。


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    Title :

    Phase change material, preparation method and application of phase change material in electric automobile


    Additional title:

    一种相变材料、制备方法及其在电动汽车中的应用


    Contributors:
    CHEN YING (author) / MAI ZHIZHAO (author) / CHEN JIANYONG (author) / SHENG XINXIN (author)

    Publication date :

    2024-04-16


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    C09K Materialien für Anwendungen, soweit nicht anderweitig vorgesehen , MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR / B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY



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