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首页> 外文会议>6th Hybrid and Electric Vehicles Conference >Use of metallic Phase Change Materials (mPCM) for heat storage in electric- and hybrid vehicles
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Use of metallic Phase Change Materials (mPCM) for heat storage in electric- and hybrid vehicles

机译：金属相变材料（mPCM）在电动和混合动力汽车中的储热用途

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To overcome the disadvantage of electric heaters for heating the interior in electric- and hybrid vehicles, consuming electric energy out of the traction battery, a thermal energy storage (TES) filled with metallic Phase Change Material (mPCM) is proposed in this study. Out of the defined requirements to energy storage systems resulting from the application in electric vehicles, which are a thermal output of maximum 3,5 kW and a storage capacity of 1,9 kWh, a concept for implementation of the TES into the system of an electric vehicle is shown. The adjustment of the storages thermal output is implemented by adjustment of two fans, the one perfusing the storage, the other one soaking in cold air for mixing with the hot airstream out of the storage. For experimental investigation and proof of concept, a downsized functional demonstrator was built up and filled with the Phase Change Material AlSi12. The specific heat capacity of the material measured by Difference Scanning Calorimetry (DSC) is 1006 J/kgK in solid state and 1073 J/kgK in liquid state. The melting enthalpy is 511 kJ/kg. The measurement of the storage systems thermal output shows the high potential of mPCM enabling high heat transfer rates, due to their high thermal conductivities. A maximum thermal output of 1,3 kW (design point 1 kW) could be measured.
机译：为了克服电加热器加热电动和混合动力车辆内部的缺点，从牵引电池中消耗电能，本研究提出了一种充满金属相变材料（mPCM）的热能存储器（TES）。在电动汽车应用中产生的对能量存储系统的明确要求中，最大功率为3,5 kW的热输出和1,9 kWh的存储容量，是将TES实施到汽车的系统中的概念。显示了电动汽车。通过调节两个风扇来实现对储存器热输出的调节，一个风扇灌注储存器，另一个风扇浸入冷空气中以与热气流混合出储存器。为了进行实验研究和概念验证，构建了尺寸缩小的功能演示器，并填充了相变材料AlSi12。通过差示扫描量热法（DSC）测量的材料的比热容在固态为1006 J / kgK，在液态为1073 J / kgK。熔融焓为511kJ / kg。对存储系统热输出的测量显示，由于其高导热率，mPCM具有很高的潜力，可实现高传热率。可以测量的最大热量输出为1.3 kW（设计点1 kW）。

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