{"id":41329,"date":"2024-07-18T11:06:43","date_gmt":"2024-07-18T09:06:43","guid":{"rendered":"https:\/\/www.linseis.com\/pcm-phase-change-material-materiau-a-changement-de-phase\/"},"modified":"2025-08-07T07:32:40","modified_gmt":"2025-08-07T05:32:40","slug":"pcm-phase-change-material-materiau-a-changement-de-phase","status":"publish","type":"post","link":"https:\/\/www.linseis.com\/fr\/connaissance\/pcm-phase-change-material-materiau-a-changement-de-phase\/","title":{"rendered":"PCM &#8211; Phase Change Material (mat\u00e9riau \u00e0 changement de phase)"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"41329\" class=\"elementor elementor-41329 elementor-12457\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9eb8745 e-flex e-con-boxed elementor-invisible e-con e-parent\" data-id=\"9eb8745\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;fadeInUp&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-964ee6a elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"964ee6a\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;headings_by_tags&quot;:[&quot;h2&quot;],&quot;exclude_headings_by_selector&quot;:[],&quot;no_headings_message&quot;:&quot;Aucun titre n\\u2019a \\u00e9t\\u00e9 trouv\\u00e9 sur cette page.&quot;,&quot;marker_view&quot;:&quot;numbers&quot;,&quot;minimize_box&quot;:&quot;yes&quot;,&quot;minimized_on&quot;:&quot;tablet&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t\t\t\t<h4 class=\"elementor-toc__header-title\">\n\t\t\t\tTable des mati\u00e8res\t\t\t<\/h4>\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__964ee6a\" aria-expanded=\"true\" aria-label=\"Ouvrir la table des mati\u00e8res\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__964ee6a\" aria-expanded=\"true\" aria-label=\"Fermer la table des mati\u00e8res\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-up\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<div id=\"elementor-toc__964ee6a\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<svg class=\"elementor-toc__spinner eicon-animation-spin e-font-icon-svg e-eicon-loading\" aria-hidden=\"true\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M500 975V858C696 858 858 696 858 500S696 142 500 142 142 304 142 500H25C25 237 238 25 500 25S975 237 975 500 763 975 500 975Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ffaef65 elementor-widget elementor-widget-text-editor\" data-id=\"ffaef65\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Un deuxi\u00e8me r\u00e9servoir de chaleur est la simple augmentation de la temp\u00e9rature sans changement de phase.<br \/>Pour de telles applications, la capacit\u00e9 thermique sp\u00e9cifique du mat\u00e9riau de stockage ainsi que sa densit\u00e9 doivent \u00eatre \u00e9lev\u00e9es afin de stocker un maximum de chaleur sur un minimum de mat\u00e9riau\/espace (capacit\u00e9 de stockage).<br \/>Cet effet est utilis\u00e9 pour la climatisation des b\u00e2timents et leur confort thermique.<br \/>Afin de bien transf\u00e9rer l&rsquo;\u00e9nergie du MCP \u00e0 l&rsquo;environnement, celui-ci doit \u00e9galement pr\u00e9senter une conductivit\u00e9 thermique \u00e9lev\u00e9e.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7fdff31 elementor-widget elementor-widget-heading\" data-id=\"7fdff31\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Propri\u00e9t\u00e9s de la PCM<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1e95cc7 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"1e95cc7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Les mat\u00e9riaux \u00e0 changement de phase doivent donc pr\u00e9senter les propri\u00e9t\u00e9s suivantes :<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0bac7eb elementor-widget elementor-widget-text-editor\" data-id=\"0bac7eb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul>\n<li>une capacit\u00e9 de stockage \u00e9lev\u00e9e ou une chaleur latente par volume.\nCe r\u00e9sultat est obtenu lorsque la chaleur molaire de fusion est \u00e9lev\u00e9e et que, parall\u00e8lement, la densit\u00e9 et la capacit\u00e9 thermique sp\u00e9cifique sont \u00e9lev\u00e9es. <\/li>\n<li>une conductivit\u00e9 thermique \u00e9lev\u00e9e pour un \u00e9change de chaleur rapide entre le MCP et l&rsquo;environnement<\/li>\n<li>un taux de nucl\u00e9ation \u00e9lev\u00e9 pour \u00e9viter la surfusion et obtenir un changement de phase \u00e0 la temp\u00e9rature de fonctionnement.<\/li>\n<li>un faible changement de volume pendant la transition de phase afin d&rsquo;\u00e9viter les contraintes m\u00e9caniques sur les r\u00e9cipients et les fissures dans la phase solide.<\/li>\n<li>faible co\u00fbt de l&rsquo;\u00e9nergie stock\u00e9e et bonne disponibilit\u00e9<\/li>\n<li>grande stabilit\u00e9 chimique sans d\u00e9composition, permettant de nombreux cycles de fusion\/cong\u00e9lation.<\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-063e564 elementor-widget elementor-widget-spacer\" data-id=\"063e564\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5b076c7 elementor-widget elementor-widget-spacer\" data-id=\"5b076c7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ca49875 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"ca49875\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Les MCP peuvent \u00eatre divis\u00e9s en deux groupes : les mat\u00e9riaux organiques et les mat\u00e9riaux inorganiques.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b827c8b elementor-widget elementor-widget-heading\" data-id=\"b827c8b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Avantages des mat\u00e9riaux PCM<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1f13ff9 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"1f13ff9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Les mat\u00e9riaux organiques (principalement les hydrocarbures, les huiles et les graisses, mais aussi les hydrates de carbone) ont des temp\u00e9ratures de fonctionnement plus basses que les mat\u00e9riaux inorganiques et pr\u00e9sentent d&rsquo;autres avantages tels que leur stabilit\u00e9 thermique et chimique.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b347917 elementor-widget elementor-widget-heading\" data-id=\"b347917\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Inconv\u00e9nients des mat\u00e9riaux PCM<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aad09f6 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"aad09f6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tCependant, les inconv\u00e9nients des mat\u00e9riaux organiques par rapport aux mat\u00e9riaux inorganiques sont l&rsquo;inflammabilit\u00e9, une capacit\u00e9 de stockage de la chaleur relativement faible et une faible conductivit\u00e9 thermique.\nLes MCP inorganiques sont principalement des hydrates de sel et des sels.\nLa plupart d&rsquo;entre eux ont des temp\u00e9ratures de fonctionnement \u00e9lev\u00e9es et sont disponibles \u00e0 bas prix.\nLeurs inconv\u00e9nients sont qu&rsquo;ils peuvent \u00eatre corrosifs et qu&rsquo;ils subissent souvent un changement de volume important.\nLes diff\u00e9rentes applications requi\u00e8rent des temp\u00e9ratures de fonctionnement diff\u00e9rentes qui correspondent au point de fusion du MCP.\nLes temp\u00e9ratures de fonctionnement peuvent aller d&rsquo;une temp\u00e9rature proche de la temp\u00e9rature ambiante (pour la plupart des MCP organiques, mais aussi pour certains MCP inorganiques tels que le nitrate de lithium hydrat\u00e9 (LiNO3*3<sub>H2O<\/sub>)) \u00e0 plusieurs centaines de degr\u00e9s Celsius (pour les MCP inorganiques tels que les sels de m\u00e9taux alcalins).     \t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-902b477 elementor-widget elementor-widget-heading\" data-id=\"902b477\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Analyse thermique du PCM<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3e0b5d1 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"3e0b5d1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>L&rsquo;analyse thermique est un outil tr\u00e8s puissant pour le d\u00e9veloppement et la caract\u00e9risation des MCP :<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6362a00 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"6362a00\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li><a href=\"https:\/\/www.linseis.com\/fr\/service-et-assistance\/methodes-danalyse-thermique\/thermogravimetrie\/\"><strong>La thermogravim\u00e9trie (TGA)<\/strong><\/a> est utilis\u00e9e pour \u00e9tudier la stabilit\u00e9 thermique ou la d\u00e9composition.<\/li><li><a href=\"https:\/\/www.linseis.com\/fr\/produits\/dsc-differential-scanning-calorimetry\/\"><strong>La calorim\u00e9trie diff\u00e9rentielle \u00e0 balayage (DSC)<\/strong><\/a> est utilis\u00e9e non seulement pour mesurer la temp\u00e9rature de fusion (temp\u00e9rature de fonctionnement) et l`<a href=\"https:\/\/www.linseis.com\/fr\/proprietes\/enthalpie\/\"><strong>enthalpie<\/strong><\/a> de fusion, qui fournissent des informations utiles sur la capacit\u00e9 de stockage, mais aussi pour mesurer <a href=\"https:\/\/www.linseis.com\/fr\/proprietes\/capacite-thermique-specifique\/\"><strong>la capacit\u00e9 thermique sp\u00e9cifique (Cp)<\/strong><\/a>.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0d4d06e elementor-widget elementor-widget-spacer\" data-id=\"0d4d06e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a0c8111 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"a0c8111\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Il existe \u00e9galement de nombreuses techniques connues pour mesurer la conductivit\u00e9 thermique, la m\u00e9thode du fil chaud \u00e9tant la plus efficace pour les applications PCM.\nD&rsquo;autres m\u00e9thodes incluent les techniques de flux de chaleur et la m\u00e9thode du flash laser.\nDans toutes les m\u00e9thodes de mesure de la conductivit\u00e9 thermique, le d\u00e9fi particulier consiste \u00e0 obtenir des donn\u00e9es fiables exactement pendant le changement de phase d&rsquo;un MCP, ce qui explique les avantages d\u00e9cisifs de la m\u00e9thode rapide du fil chaud.  <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0133be4 elementor-widget elementor-widget-spacer\" data-id=\"0133be4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Un deuxi\u00e8me r\u00e9servoir de chaleur est la simple augmentation de la temp\u00e9rature sans changement de phase.<br \/>\nPour de telles applications, la capacit\u00e9 thermique sp\u00e9cifique du mat\u00e9riau de stockage et sa densit\u00e9 doivent \u00eatre \u00e9lev\u00e9es. <\/p>\n","protected":false},"author":3,"featured_media":12462,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[187],"tags":[],"class_list":["post-41329","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-connaissance"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/posts\/41329","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/comments?post=41329"}],"version-history":[{"count":0,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/posts\/41329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/media\/12462"}],"wp:attachment":[{"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/media?parent=41329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/categories?post=41329"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/tags?post=41329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}