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As an energy carrier, phase change material (PCM) can enhance the efficiency of an energy source and reduce its load. The present paper describes the assembly of the energy carrier molecule (stearic acid) into the interlayer spacing of montmorillonite (Mt). A novel inorganic/organic composite energy storage material was prepared, which effectively reduces the phase change temperature of the energy storage molecule. Through acid treatment, the Si4+/Al3+ ratio of Mt can be regulated to obtain a series of Mts with different layer charges. As a result, a controllable assembly of energy storage molecule, stearic acid (SA) into the interlayer spacing of Mts with different layer charges was accomplished. By controlling the layer charges of Mts arrangement morphology and interactive force of SA molecules in the interlayer spacing of Mt can be changed effectively. The phase change temperature (exothermic reaction) reduces from 50.5°C to 32°C compared with the SA molecules, which are used to control phase change temperature of the energy storage material. The study presents a SA/Mt energy storage material that can aid in further development in the field of energy storage construction material.
This article was published in the following journal.
Name: Langmuir : the ACS journal of surfaces and colloids
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Salts and esters of the 18-carbon saturated, monocarboxylic acid--stearic acid.
Apolipoproteins and lipocalins that occur in HIGH-DENSITY LIPOPROTEINS. They bind or transport lipids in the blood including sphingosine-1-phosphate, MYRISTIC ACID; STEARIC ACIDS; and ALL-TRANS RETINOIC ACID.
A group of compounds that are derivatives of octadecanoic acid which is one of the most abundant fatty acids found in animal lipids. (Stedman, 25th ed)
The assembly of VIRAL STRUCTURAL PROTEINS and nucleic acid (VIRAL DNA or VIRAL RNA) to form a VIRUS PARTICLE.
A histone chaperone that facilitates nucleosome assembly by mediating the formation of the histone octamer and its transfer to DNA.