{"title":"A Selection and Optimization Experimental Study of Additives to Thermal Energy Storage Material Sodium Acetate Trihydrate","authors":"J. Mao, Jing Li, Guanzhong Peng, Jintian Li","doi":"10.1109/ICEET.2009.11","DOIUrl":null,"url":null,"abstract":"In order to solve the problem of supercooling and phase segregation of sodium acetate trihydrate during solidification, it is necessary to add appropriate nucleating agent and thickeners. Five commonly used nucleating agents, i.e. Na2HPO4¿12H2O, Na3PO4¿12H2O, Na2CO3¿10H2O, Na2SiO3¿9H2O and Na2B4O7¿10H2O, three thickeners, including carboxymethyl cellulose and gelatin, and polyacrylamide were selected as additives to improve the phase-change energy storage property after the research and comparison. Sodium acetate trihydrate as an energy storage medium, nucleating agent and thickeners were assorted randomly to configure sample. The heat storage-release experiment was conducted. Finally several effective additives are developed, and the mass ratio of these formulas were studied experimentally. The best two dosage formulations were found.","PeriodicalId":6348,"journal":{"name":"2009 International Conference on Energy and Environment Technology","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2009-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"32","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2009 International Conference on Energy and Environment Technology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICEET.2009.11","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 32
Abstract
In order to solve the problem of supercooling and phase segregation of sodium acetate trihydrate during solidification, it is necessary to add appropriate nucleating agent and thickeners. Five commonly used nucleating agents, i.e. Na2HPO4¿12H2O, Na3PO4¿12H2O, Na2CO3¿10H2O, Na2SiO3¿9H2O and Na2B4O7¿10H2O, three thickeners, including carboxymethyl cellulose and gelatin, and polyacrylamide were selected as additives to improve the phase-change energy storage property after the research and comparison. Sodium acetate trihydrate as an energy storage medium, nucleating agent and thickeners were assorted randomly to configure sample. The heat storage-release experiment was conducted. Finally several effective additives are developed, and the mass ratio of these formulas were studied experimentally. The best two dosage formulations were found.
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