{"id":38209,"date":"2021-12-10T11:16:35","date_gmt":"2021-12-10T10:16:35","guid":{"rendered":"https:\/\/www.inovallee.com\/?p=38209"},"modified":"2021-12-10T11:16:35","modified_gmt":"2021-12-10T10:16:35","slug":"hotblock-onboard-la-thermo-electricite-au-service-des-enjeux-energetiques","status":"publish","type":"post","link":"http:\/\/www.inovallee.com\/en\/hotblock-onboard-la-thermo-electricite-au-service-des-enjeux-energetiques\/","title":{"rendered":"Hotblock OnBoard : La thermo-\u00e9lectricit\u00e9 au service des enjeux \u00e9nerg\u00e9tiques"},"content":{"rendered":"<h2><strong>La belle histoire d\u2019un double essaimage du CEA-Liten sur inovall\u00e9e<\/strong><\/h2>\n<p>Startup r\u00e9solument deeptech, Hotblock OnBoard est issue d\u2019un essaimage du CEA LITEN en janvier 2012.\u00a0 Elle s\u2019est sp\u00e9cialis\u00e9e dans la conception et la fabrication de mat\u00e9riaux et syst\u00e8mes thermo\u00e9lectriques.<\/p>\n<p>En 2015, la startup scinde son activit\u00e9 en deux soci\u00e9t\u00e9s distinctes\u00a0: Hotblock OnBoard et HBOB SENSORS, qui toutes deux rejoignent Inovall\u00e9e en 2016.<\/p>\n<p><strong><u>Hotblock OnBoard\u00a0 <\/u><\/strong>est alors devenue la seule entreprise en France et l&rsquo;une des tr\u00e8s rares en Europe capable de d\u00e9velopper et de fabriquer des dispositifs thermo\u00e9lectriques \u00e0 base de mat\u00e9riaux performants pour transformer la chaleur en \u00e9lectricit\u00e9 et r\u00e9ciproquement par l\u2019interm\u00e9diaire des effets Seebeck et Peltier. Les cellules thermo\u00e9lectriques sont des assemblages de mat\u00e9riaux semi-conducteurs \u00e0 propri\u00e9t\u00e9s thermo\u00e9lectriques optimis\u00e9es.<\/p>\n<p>Agissant comme des pompes \u00e0 chaleur r\u00e9versibles, ils permettent \u00e0 la demande de produire du froid ou du chaud lorsqu\u2019ils sont soumis \u00e0 un courant \u00e9lectrique, c\u2019est l\u2019effet Peltier. Inversement, ils permettent r\u00e9aliser de la r\u00e9cup\u00e9ration d\u2019\u00e9nergie en produisant de l\u2019\u00e9lectricit\u00e9 \u00e0 partir d\u2019une source de chaleur, c\u2019est alors l\u2019effet Seebeck.<\/p>\n<p>Hotblock Onboard propose ainsi des solutions thermo\u00e9lectriques pour la r\u00e9cup\u00e9ration d&rsquo;\u00e9nergie ainsi que pour des applications de contr\u00f4le thermique.<\/p>\n<ul>\n<li><strong>Des syst\u00e8mes pour souffler le chaud et le froid<\/strong><\/li>\n<\/ul>\n<p>Hotblock OnBoard a d\u00e9velopp\u00e9 un savoir-faire unique en mati\u00e8re de dispositifs pour r\u00e9aliser des HVAC miniaturis\u00e9s r\u00e9versibles chaud \/ froid. Ces modules de thermalisation sont destin\u00e9s \u00e0 \u00eatre int\u00e9gr\u00e9s dans les habitacles de v\u00e9hicules pour produire localement de l\u2019air conditionn\u00e9 et contribuer \u00e0 la r\u00e9duction de la consommation \u00e9nerg\u00e9tique des v\u00e9hicules et am\u00e9liorer le confort thermique.<\/p>\n<ul>\n<li><strong>Des sources \u00e9lectriques de tr\u00e8s, tr\u00e8s longue dur\u00e9e de vie&#8230;<\/strong><\/li>\n<\/ul>\n<p>C\u2019est l\u2019ambitieux projet pour lequel Hotblock Onboard collabore avec Orano dans le cadre du programme \u00ab\u00a0Nucl\u00e9aire de demain\u00a0\u00bb.<\/p>\n<p>La France pr\u00e9voit en effet de cr\u00e9er un centre de stockage profond (-500m) de ses d\u00e9chets les plus radioactifs \u00e0 vie longue\u00a0: C\u2019est le projet CIGEO de l\u2019ANDRA. Un syst\u00e8me d\u2019observation et de surveillance en continu n\u00e9cessitera l\u2019alimentation \u00e9lectrique de capteurs autonomes sur de tr\u00e8s longues dur\u00e9es.<\/p>\n<h2><strong>\u2026 qui transforment un d\u00e9chet nucl\u00e9aire en nouvelle source d\u2019\u00e9nergie<\/strong><\/h2>\n<p>Le projet consiste \u00e0 s\u2019appuyer sur un isotope radioactif, l\u2019Am\u00e9ricium 241,\u00a0r\u00e9cup\u00e9r\u00e9 dans le cadre du retraitement de combustible nucl\u00e9aire us\u00e9 et qui devient une source d\u2019\u00e9nergie pour la surveillance en continu de CIGEO\u00a0;<\/p>\n<p>D\u00e9marr\u00e9 en 2017, la collaboration entre Orano, Hotblock OnBoard et le laboratoire LEMTA a permis l\u2019installation d\u2019un prototype \u00e0 l\u2019Espace Technologique du CMHM de Bure en fin 2020. Le prototype de Recherche s\u2019appuie \u00e0 ce jour sur une source radioactive simul\u00e9e et les travaux des ann\u00e9es \u00e0 venir conduiront \u00e0 la r\u00e9alisation d\u2019un syst\u00e8me actif destin\u00e9 \u00e0 l\u2019utilisation en stockage profond. Il ouvrira de plus la voie \u00e0 de potentielles utilisations spatiales o\u00f9 l\u2019autonomie \u00e9nerg\u00e9tique est un enjeu majeur.<\/p>\n<p><strong>Du controle thermique pour les applications spatiales<\/strong><\/p>\n<p>Hotblock Onboard est sollicit\u00e9e par diff\u00e9rents acteurs du domaine spatial pour fournir des modules de r\u00e9gulation thermique (module thermo\u00e9lectriques \u2018Peltier\u2019) afin de s\u2019affranchir des sources d\u2019approvisionnement non-europ\u00e9enne. A titre d\u2019exemple, citons la fourniture de modules Peltier pour la r\u00e9gulation thermique d\u2019imageurs embarqu\u00e9s et le renouvellement de modules Peltier sp\u00e9ciaux pour une exp\u00e9rience scientifique \u00e0 bord de la Station Spatiale Internationale. Pr\u00e9cisons que dans ce cas particulier, Hotblock Onboard est l\u2019unique acteur mondial qui poss\u00e8de \u00e0 la fois les comp\u00e9tences et le savoir-faire n\u00e9cessaires \u00e0 la fourniture de ces dispositifs.<\/p>\n<h2><strong><u>HBOB SENSORS <\/u><\/strong>se consacre aux mesures et \u00e0 la r\u00e9gulation thermique des syst\u00e8mes.<\/h2>\n<p>S\u2019appuyant sur une technologie de puces en silicium brevet\u00e9e, HBOB SENSORS propose des solutions de rupture pour la mesure des flux thermiques. Ce principe de mesure se diff\u00e9rencie de la mesure de temp\u00e9rature conventionnelle en ce qu\u2019il s\u2019int\u00e9resse \u00e0 la cause des variations de temp\u00e9rature d\u2019un syst\u00e8me, \u00e0 savoir les \u00e9changes thermiques, autrement dit les flux thermiques.<\/p>\n<p>La connaissance extr\u00eamement fine des ph\u00e9nom\u00e8nes thermiques qu\u2019apporte la technologie de HBOB SENSORS permet d\u2019adresser des nouvelles applications dans plusieurs domaines tr\u00e8s importants. Citons tout d\u2019abord l\u2019am\u00e9lioration du confort thermique et de la gestion de l\u2019\u00e9nergie pour l\u2019automobile o\u00f9 l\u2019optimisation de la gestion du chauffage et de la climatisation influent directement sur l\u2019autonomie des v\u00e9hicules \u00e9lectriques. S\u2019ajoutent \u00e0 cela le contr\u00f4le thermique des b\u00e2timents, le contr\u00f4le de proc\u00e9d\u00e9s dans l\u2019industrie ou encore la fabrication de dispositifs m\u00e9dicaux innovants.<\/p>","protected":false},"excerpt":{"rendered":"<p>La belle histoire d\u2019un double essaimage du CEA-Liten sur inovall\u00e9e Startup r\u00e9solument deeptech, Hotblock OnBoard est issue d\u2019un essaimage du CEA LITEN en janvier 2012.\u00a0 Elle s\u2019est sp\u00e9cialis\u00e9e dans la conception et la fabrication de mat\u00e9riaux et syst\u00e8mes thermo\u00e9lectriques. En 2015, la startup scinde son activit\u00e9 en deux soci\u00e9t\u00e9s distinctes\u00a0: Hotblock OnBoard et HBOB SENSORS, [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":38210,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[75,29],"tags":[1056],"class_list":["post-38209","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-start-up-inovallee","category-evenements","tag-hotblock-onboard"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hotblock OnBoard : La thermo-\u00e9lectricit\u00e9 au service des enjeux \u00e9nerg\u00e9tiques - inovall\u00e9e<\/title>\n<meta name=\"description\" content=\"Hotblock OnBoard est la seule entreprise fran\u00e7aise capable de d\u00e9velopper et de fabriquer des dispositifs thermo\u00e9lectriques pour le spatial, l&#039;automotive ...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.inovallee.com\/en\/hotblock-onboard-la-thermo-electricite-au-service-des-enjeux-energetiques\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hotblock OnBoard : La thermo-\u00e9lectricit\u00e9 au service des enjeux \u00e9nerg\u00e9tiques - 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