Preparation research of novel composite phase change materials based on sodium acetate trihydrate
•A novel composite phase change materials based on sodium acetate trihydrate was prepared.•The novel phase change material has lower degree of undercooling and higher thermal conductivity.•The phase change enthalpy of the novel composite material is 247kJ/kg. As phase change thermal storage material...
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Veröffentlicht in: | Applied thermal engineering 2017-05, Vol.118, p.817-825 |
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creator | Mao, Jinfeng Dong, Xian Hou, Pumin Lian, Huiliang |
description | •A novel composite phase change materials based on sodium acetate trihydrate was prepared.•The novel phase change material has lower degree of undercooling and higher thermal conductivity.•The phase change enthalpy of the novel composite material is 247kJ/kg.
As phase change thermal storage material, sodium acetate trihydrate (SAT) exhibits certain problems such as large undercooling, stratification in phase change, and small thermal conductivity. To overcome these problems, in this study, a new composite phase change thermal storage material was prepared by adding a certain amount of nucleating agent, thickening agent, and high thermal conductivity medium. The research results showed that addition of an appropriate proportion of nucleating agent disodium phosphate dodecahydrate(DSP) and thickening agent carboxymethyl cellulose(CMC) or gelatin led to a good restrain to the undercooling of SAT, while maintaining the heat storage capacity of sample, and avoiding the phenomenon of phase stratification at room temperature cooling. A certain proportion of expanded graphite could also be used in combination with the thermal storage materials, which resulted in relatively small undercooling of the SAT thermal storage materials and a relatively large thermal conductivity. |
doi_str_mv | 10.1016/j.applthermaleng.2017.02.102 |
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As phase change thermal storage material, sodium acetate trihydrate (SAT) exhibits certain problems such as large undercooling, stratification in phase change, and small thermal conductivity. To overcome these problems, in this study, a new composite phase change thermal storage material was prepared by adding a certain amount of nucleating agent, thickening agent, and high thermal conductivity medium. The research results showed that addition of an appropriate proportion of nucleating agent disodium phosphate dodecahydrate(DSP) and thickening agent carboxymethyl cellulose(CMC) or gelatin led to a good restrain to the undercooling of SAT, while maintaining the heat storage capacity of sample, and avoiding the phenomenon of phase stratification at room temperature cooling. A certain proportion of expanded graphite could also be used in combination with the thermal storage materials, which resulted in relatively small undercooling of the SAT thermal storage materials and a relatively large thermal conductivity.</description><identifier>ISSN: 1359-4311</identifier><identifier>EISSN: 1873-5606</identifier><identifier>DOI: 10.1016/j.applthermaleng.2017.02.102</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Carboxymethyl cellulose ; Cooling ; Graphite ; Heat conductivity ; Heat storage ; Heat transfer ; Phase change materials ; Phase stratification ; Reagents ; Sodium acetate ; Sodium acetate trihydrate ; Storage capacity ; Stratification ; Studies ; Supercooling ; Thermal conductivity ; Thermal storage ; Thermal storage materials ; Thickening agents ; Undercooling</subject><ispartof>Applied thermal engineering, 2017-05, Vol.118, p.817-825</ispartof><rights>2017 Elsevier Ltd</rights><rights>Copyright Elsevier BV May 25, 2017</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c358t-bc89b47e9b5def43773c221c82fd1bca391cef4eac38e1ca31c754a079cf4fea3</citedby><cites>FETCH-LOGICAL-c358t-bc89b47e9b5def43773c221c82fd1bca391cef4eac38e1ca31c754a079cf4fea3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.applthermaleng.2017.02.102$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Mao, Jinfeng</creatorcontrib><creatorcontrib>Dong, Xian</creatorcontrib><creatorcontrib>Hou, Pumin</creatorcontrib><creatorcontrib>Lian, Huiliang</creatorcontrib><title>Preparation research of novel composite phase change materials based on sodium acetate trihydrate</title><title>Applied thermal engineering</title><description>•A novel composite phase change materials based on sodium acetate trihydrate was prepared.•The novel phase change material has lower degree of undercooling and higher thermal conductivity.•The phase change enthalpy of the novel composite material is 247kJ/kg.
As phase change thermal storage material, sodium acetate trihydrate (SAT) exhibits certain problems such as large undercooling, stratification in phase change, and small thermal conductivity. To overcome these problems, in this study, a new composite phase change thermal storage material was prepared by adding a certain amount of nucleating agent, thickening agent, and high thermal conductivity medium. The research results showed that addition of an appropriate proportion of nucleating agent disodium phosphate dodecahydrate(DSP) and thickening agent carboxymethyl cellulose(CMC) or gelatin led to a good restrain to the undercooling of SAT, while maintaining the heat storage capacity of sample, and avoiding the phenomenon of phase stratification at room temperature cooling. A certain proportion of expanded graphite could also be used in combination with the thermal storage materials, which resulted in relatively small undercooling of the SAT thermal storage materials and a relatively large thermal conductivity.</description><subject>Carboxymethyl cellulose</subject><subject>Cooling</subject><subject>Graphite</subject><subject>Heat conductivity</subject><subject>Heat storage</subject><subject>Heat transfer</subject><subject>Phase change materials</subject><subject>Phase stratification</subject><subject>Reagents</subject><subject>Sodium acetate</subject><subject>Sodium acetate trihydrate</subject><subject>Storage capacity</subject><subject>Stratification</subject><subject>Studies</subject><subject>Supercooling</subject><subject>Thermal conductivity</subject><subject>Thermal storage</subject><subject>Thermal storage materials</subject><subject>Thickening agents</subject><subject>Undercooling</subject><issn>1359-4311</issn><issn>1873-5606</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNqNUMtOwzAQtBBIlMI_WIJrgh9Jk0hcUMVLqgQHOFvOZtM4SuJgu5X697gqF26cdndmZ1Y7hNxxlnLGV_d9qud5CB26UQ84bVPBeJEyEVlxRha8LGSSr9jqPPYyr5JMcn5JrrzvGeOiLLIF0R8OZ-10MHaiDj1qBx21LZ3sHgcKdpytNwHp3GmPFDo9bZGOOqAzevC0jmhDo9bbxuxGqgFDJGlwpjs00RevyUUbN_Hmty7J1_PT5_o12by_vK0fNwnIvAxJDWVVZwVWdd5gm8mikCAEh1K0Da9By4pDxFGDLJHHmUORZ5oVFbRZi1ouye3Jd3b2e4c-qN7u3BRPKl5JcQwj1iV5OG2Bs947bNXszKjdQXGmjqGqXv0NVR1DVUxEVkT580mO8ZO9Qac8GJwAG-MQgmqs-Z_RD-xXi_U</recordid><startdate>20170525</startdate><enddate>20170525</enddate><creator>Mao, Jinfeng</creator><creator>Dong, Xian</creator><creator>Hou, Pumin</creator><creator>Lian, Huiliang</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope></search><sort><creationdate>20170525</creationdate><title>Preparation research of novel composite phase change materials based on sodium acetate trihydrate</title><author>Mao, Jinfeng ; Dong, Xian ; Hou, Pumin ; Lian, Huiliang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c358t-bc89b47e9b5def43773c221c82fd1bca391cef4eac38e1ca31c754a079cf4fea3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Carboxymethyl cellulose</topic><topic>Cooling</topic><topic>Graphite</topic><topic>Heat conductivity</topic><topic>Heat storage</topic><topic>Heat transfer</topic><topic>Phase change materials</topic><topic>Phase stratification</topic><topic>Reagents</topic><topic>Sodium acetate</topic><topic>Sodium acetate trihydrate</topic><topic>Storage capacity</topic><topic>Stratification</topic><topic>Studies</topic><topic>Supercooling</topic><topic>Thermal conductivity</topic><topic>Thermal storage</topic><topic>Thermal storage materials</topic><topic>Thickening agents</topic><topic>Undercooling</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Mao, Jinfeng</creatorcontrib><creatorcontrib>Dong, Xian</creatorcontrib><creatorcontrib>Hou, Pumin</creatorcontrib><creatorcontrib>Lian, Huiliang</creatorcontrib><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Applied thermal engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Mao, Jinfeng</au><au>Dong, Xian</au><au>Hou, Pumin</au><au>Lian, Huiliang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Preparation research of novel composite phase change materials based on sodium acetate trihydrate</atitle><jtitle>Applied thermal engineering</jtitle><date>2017-05-25</date><risdate>2017</risdate><volume>118</volume><spage>817</spage><epage>825</epage><pages>817-825</pages><issn>1359-4311</issn><eissn>1873-5606</eissn><abstract>•A novel composite phase change materials based on sodium acetate trihydrate was prepared.•The novel phase change material has lower degree of undercooling and higher thermal conductivity.•The phase change enthalpy of the novel composite material is 247kJ/kg.
As phase change thermal storage material, sodium acetate trihydrate (SAT) exhibits certain problems such as large undercooling, stratification in phase change, and small thermal conductivity. To overcome these problems, in this study, a new composite phase change thermal storage material was prepared by adding a certain amount of nucleating agent, thickening agent, and high thermal conductivity medium. The research results showed that addition of an appropriate proportion of nucleating agent disodium phosphate dodecahydrate(DSP) and thickening agent carboxymethyl cellulose(CMC) or gelatin led to a good restrain to the undercooling of SAT, while maintaining the heat storage capacity of sample, and avoiding the phenomenon of phase stratification at room temperature cooling. A certain proportion of expanded graphite could also be used in combination with the thermal storage materials, which resulted in relatively small undercooling of the SAT thermal storage materials and a relatively large thermal conductivity.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.applthermaleng.2017.02.102</doi><tpages>9</tpages></addata></record> |
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subjects | Carboxymethyl cellulose Cooling Graphite Heat conductivity Heat storage Heat transfer Phase change materials Phase stratification Reagents Sodium acetate Sodium acetate trihydrate Storage capacity Stratification Studies Supercooling Thermal conductivity Thermal storage Thermal storage materials Thickening agents Undercooling |
title | Preparation research of novel composite phase change materials based on sodium acetate trihydrate |
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