Phase Change Material of Copper–Germanium Alloy as Solar Latent Heat Storage at High Temperatures

نویسندگان

چکیده

A copper–germanium alloy (Cu–Ge alloy) was examined as a phase change material, at temperatures exceeding 600°C, for latent heat storage in solar thermal applications. First, the thermo-physical properties of Cu–Ge were using differential scanning calorimetry, thermomechanical analysis, and laser flash analysis. Second, to evaluate response reliability alloy, cyclic charge/discharge under various conditions. The alloys obtained after tests their chemical compatibility with stainless steel container an electron probe micro analyzer. elemental distribution each evaluated performance tests. Finally, high-temperature test candidate materials material vessel [stainless (SUS310S), Inconel625, silicon carbide (SiC), alumina (Al2O3)]. exhibited significant potential next-generation power plants because it demonstrates advantages, including superior capacity temperature 644°C, coherence diagram, quick response, satisfactory behavior modes, thermodynamically stable metallographic structure, non-reactivity ceramic (SiC Al2O3).

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ژورنال

عنوان ژورنال: Frontiers in Energy Research

سال: 2021

ISSN: ['2296-598X']

DOI: https://doi.org/10.3389/fenrg.2021.696213