Bio-inspired phase change materials designed for high specific heat of solid phase

Tu Lee; Yun Lee; Hung Lin Lee; Yu Ren Syue; Yu Hsiu Chiu; Jiun You Liou; Ya Sen Sun

doi:10.1016/j.tca.2014.06.009

Bio-inspired phase change materials designed for high specific heat of solid phase

Tu Lee, Yun Lee, Hung Lin Lee, Yu Ren Syue, Yu Hsiu Chiu, Jiun You Liou, Ya Sen Sun

Department of Chemical and Materials Engineering

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

Two lipid blends with molar ratios of 2:1:1 and 1.13:1:1 of ceramide (type IV):cholesterol:palmitic acid, namely blends A and B, are prepared, respectively, based on stratum corneum of human. The phase behaviors and nanostructures of those blends have been fully characterized by low-temperature differential scanning calorimetry and small-angle X-ray scattering. The large-scale thermal properties of them have been measured by temperature-history method as well. The heat capacity of solid phase for blend A of 3.23 ± 0.14 J/g °C is higher than the value for common phase change materials (PCMs), such as lauric acid, stearic acid, polyethylene glycol 900, and paraffin wax. The lipid ratio in blend B is also changed to obtain an even higher heat capacity of solid phase of 3.69 ± 0.17 J/g °C. Therefore, we propose to concoct new lipid blends for the enhancement of heat capacity of solid phase values in the immediate future.

Original language	English
Pages (from-to)	61-67
Number of pages	7
Journal	Thermochimica Acta
Volume	591
DOIs	https://doi.org/10.1016/j.tca.2014.06.009
State	Published - 10 Sep 2014

Keywords

Phase change material
Small-angle X-ray scattering
Specific heat
Temperature-history method

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title = "Bio-inspired phase change materials designed for high specific heat of solid phase",

abstract = "Two lipid blends with molar ratios of 2:1:1 and 1.13:1:1 of ceramide (type IV):cholesterol:palmitic acid, namely blends A and B, are prepared, respectively, based on stratum corneum of human. The phase behaviors and nanostructures of those blends have been fully characterized by low-temperature differential scanning calorimetry and small-angle X-ray scattering. The large-scale thermal properties of them have been measured by temperature-history method as well. The heat capacity of solid phase for blend A of 3.23 ± 0.14 J/g °C is higher than the value for common phase change materials (PCMs), such as lauric acid, stearic acid, polyethylene glycol 900, and paraffin wax. The lipid ratio in blend B is also changed to obtain an even higher heat capacity of solid phase of 3.69 ± 0.17 J/g °C. Therefore, we propose to concoct new lipid blends for the enhancement of heat capacity of solid phase values in the immediate future.",

keywords = "Phase change material, Small-angle X-ray scattering, Specific heat, Temperature-history method",

author = "Tu Lee and Yun Lee and Lee, {Hung Lin} and Syue, {Yu Ren} and Chiu, {Yu Hsiu} and Liou, {Jiun You} and Sun, {Ya Sen}",

note = "Funding Information: This research was supported by the grants from the National Science Council of Taiwan, ROC , ( NSC 101-2221-E-008-102 ). We thank Ms. Jui-Mei Huang for assistance with LTDSC and Ms. Shew-Jen Weng for PXRD. We are indebted to Prof. Ya-Sen Sun and Mr. Jiun-You Liou for their assistance in SAXS. All with the Precision Instrument Center at National Central University are gratefully acknowledged. ",

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T1 - Bio-inspired phase change materials designed for high specific heat of solid phase

AU - Lee, Tu

AU - Lee, Yun

AU - Lee, Hung Lin

AU - Syue, Yu Ren

AU - Chiu, Yu Hsiu

AU - Liou, Jiun You

AU - Sun, Ya Sen

N1 - Funding Information: This research was supported by the grants from the National Science Council of Taiwan, ROC , ( NSC 101-2221-E-008-102 ). We thank Ms. Jui-Mei Huang for assistance with LTDSC and Ms. Shew-Jen Weng for PXRD. We are indebted to Prof. Ya-Sen Sun and Mr. Jiun-You Liou for their assistance in SAXS. All with the Precision Instrument Center at National Central University are gratefully acknowledged.

PY - 2014/9/10

Y1 - 2014/9/10

N2 - Two lipid blends with molar ratios of 2:1:1 and 1.13:1:1 of ceramide (type IV):cholesterol:palmitic acid, namely blends A and B, are prepared, respectively, based on stratum corneum of human. The phase behaviors and nanostructures of those blends have been fully characterized by low-temperature differential scanning calorimetry and small-angle X-ray scattering. The large-scale thermal properties of them have been measured by temperature-history method as well. The heat capacity of solid phase for blend A of 3.23 ± 0.14 J/g °C is higher than the value for common phase change materials (PCMs), such as lauric acid, stearic acid, polyethylene glycol 900, and paraffin wax. The lipid ratio in blend B is also changed to obtain an even higher heat capacity of solid phase of 3.69 ± 0.17 J/g °C. Therefore, we propose to concoct new lipid blends for the enhancement of heat capacity of solid phase values in the immediate future.

AB - Two lipid blends with molar ratios of 2:1:1 and 1.13:1:1 of ceramide (type IV):cholesterol:palmitic acid, namely blends A and B, are prepared, respectively, based on stratum corneum of human. The phase behaviors and nanostructures of those blends have been fully characterized by low-temperature differential scanning calorimetry and small-angle X-ray scattering. The large-scale thermal properties of them have been measured by temperature-history method as well. The heat capacity of solid phase for blend A of 3.23 ± 0.14 J/g °C is higher than the value for common phase change materials (PCMs), such as lauric acid, stearic acid, polyethylene glycol 900, and paraffin wax. The lipid ratio in blend B is also changed to obtain an even higher heat capacity of solid phase of 3.69 ± 0.17 J/g °C. Therefore, we propose to concoct new lipid blends for the enhancement of heat capacity of solid phase values in the immediate future.

KW - Phase change material

KW - Small-angle X-ray scattering

KW - Specific heat

KW - Temperature-history method

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DO - 10.1016/j.tca.2014.06.009

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VL - 591

SP - 61

EP - 67

JO - Thermochimica Acta

JF - Thermochimica Acta

ER -

Bio-inspired phase change materials designed for high specific heat of solid phase

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Keywords

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