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논문 기본 정보

저자정보
(숭실대학교) (숭실대학교) (이화여자대학교) (숭실대학교)
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한국태양에너지학회 한국태양에너지학회 논문집 한국태양에너지학회 논문집 제33권 제1호
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    초록·키워드

    Hexadecane and exfoliated graphite nanoplate (xGnP)composite was prepared as a shape-stabilized phase change material (SSPCM) in a vacuum to develope thermal energy storage. The Hexadecane as an organic phase change material (PCM) is very stable against phase separation of PCM and has a melting point at 18℃ that is under the thermally comfortable temperature range in buildings. The xGnP is a porous carbon nanotube material with high thermal conductivity. Scanning electron microscope (SEM) and Fourier transformation infrared spectrophotometer (FT-IR)were used to confirm the chemical and physical stability of Hexadecane/xGnP SSPCM. In addition, thermal properties were determined by Deferential scanning calorimeter(DSC) and Thermogravimetric analysis (TGA). The specific heat of Hexadecane/xGnPSSPCM was 10.0J/g·K at 21.8℃. The melting temperature range of melting and freezing were found to be 16-25℃ and 17-12℃. At this time, the laten heats of melting and freezing were 96.4J/g and 94.8J/g. The Hexadecane was impregnated into xGnP as much about 48.8% of Hexadecane/xGnP SSPCM’s mass fraction.

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      UCI(KEPA) : I410-ECN-0101-2014-563-000245579