期刊
CALPHAD-COMPUTER COUPLING OF PHASE DIAGRAMS AND THERMOCHEMISTRY
卷 46, 期 -, 页码 108-117出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.calphad.2014.02.003
关键词
Ternary phase diagrams; Pentaerythritol; Neopentylglycol; 2-Amino-2methyl-1,3,propanediol; Polyalcohols; Amines
类别
资金
- Intel Corporation
Organic crystals such as pentaerythritol [PE-C(CH2OH)(4)], neopentylglycol [NPG-(CH3)(2)C(CH2OH)(2)] and 2-amino-2methyl-1,3,propanediol [AMPL-(HOCH2)(2)C(NH5)CH3] store a large amount of thermal energy in their solid state high temperature phases with orientational disorder. There are very few pure compounds of these polyalcohol and amine family that are commercially available exhibiting these properties, leading to limited choices of energy storage materials. Binary and ternary solid solutions allow a wider selection of materials with different phase transition temperature, heat content, and compositions for practical applications. Thermodynamic calculations of the PE-NPG-AMPL system are presented that provide critical thermodynamic data for energy storage systems. Substitutional solution model is used for optimization of interaction parameters. Activities of binaries, ternary isotherms of PE-NPG-AMPL at various temperatures, and pseudo-binary isopleth are presented. (C) 2014 Elsevier Ltd. All rights reserved.
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