{"id":380046,"date":"2022-04-12T18:54:28","date_gmt":"2022-04-12T16:54:28","guid":{"rendered":"https:\/\/www.eenewseurope.com\/?p=380046"},"modified":"2022-04-12T18:54:28","modified_gmt":"2022-04-12T16:54:28","slug":"convertir-lenergie-solaire-en-electricite-a-la-demande","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/convertir-lenergie-solaire-en-electricite-a-la-demande\/","title":{"rendered":"Convertir l&rsquo;\u00e9nergie solaire en \u00e9lectricit\u00e9 \u00e0 la demande"},"content":{"rendered":"<p>Apr\u00e8s avoir d\u00e9montr\u00e9 pr\u00e9c\u00e9demment comment l&rsquo;\u00e9nergie peut \u00eatre extraite sous forme de chaleur, ils ont maintenant r\u00e9ussi \u00e0 faire en sorte que le syst\u00e8me produise de l&rsquo;\u00e9lectricit\u00e9, en le connectant \u00e0 un g\u00e9n\u00e9rateur thermo\u00e9lectrique.\u00a0\u00c0 terme, la recherche &#8211; d\u00e9velopp\u00e9e \u00e0 l&rsquo;Universit\u00e9 de technologie de Chalmers, en Su\u00e8de &#8211; pourrait conduire \u00e0 l&rsquo;\u00e9lectronique auto-rechargeable utilisant l&rsquo;\u00e9nergie solaire stock\u00e9e \u00e0 la demande.<\/p>\n<p>Le directeur de recherche Kasper Moth-Poulsen, professeur au D\u00e9partement de chimie et de g\u00e9nie chimique de Chalmers Explique : \u00ab C&rsquo;est un proc\u00e9d\u00e9 radicalement nouveau pour produire de l&rsquo;\u00e9lectricit\u00e9 \u00e0 partir de l&rsquo;\u00e9nergie solaire, ind\u00e9pendamment de la m\u00e9t\u00e9o, de l&rsquo;heure de la journ\u00e9e, de la saison ou de l&#8217;emplacement g\u00e9ographique. Il s&rsquo;agit d&rsquo;un syst\u00e8me ferm\u00e9 qui peut fonctionner sans provoquer d&rsquo;\u00e9missions de dioxyde de carbone. La nouvelle technologie est bas\u00e9e sur le proc\u00e9d\u00e9 d&rsquo;\u00e9nergie solaire MOST &#8211; Molecular Solar Thermal Energy Storage Systems, que nous d\u00e9veloppons. Tr\u00e8s simplement, le processus repose sur une mol\u00e9cule sp\u00e9cialement con\u00e7ue pour changer de forme lorsqu&rsquo;elle entre en contact avec la lumi\u00e8re du soleil. l&rsquo;\u00e9nergie emmagasin\u00e9e est ensuite lib\u00e9r\u00e9 en convertie en \u00e9lectricit\u00e9 \u00e0 l&rsquo;aide d&rsquo;un g\u00e9n\u00e9rateur. \u00bb<\/p>\n<p><strong>La technologie Most<\/strong><br \/>\nC&rsquo;est un syst\u00e8me \u00e9nerg\u00e9tique ferm\u00e9 bas\u00e9 sur une mol\u00e9cule de carbone, d&rsquo;hydrog\u00e8ne et d&rsquo;azote, qui, lorsqu&rsquo;elle est frapp\u00e9e par la lumi\u00e8re du soleil, se transforme en un isom\u00e8re riche en \u00e9nergie &#8211; une mol\u00e9cule compos\u00e9e des m\u00eames atomes mais arrang\u00e9s ensemble d&rsquo;une mani\u00e8re diff\u00e9rente. L&rsquo;isom\u00e8re peut ensuite \u00eatre stock\u00e9 sous forme liquide pour une utilisation ult\u00e9rieure, en cas de besoin, comme la nuit ou en hiver. Les chercheurs ont affin\u00e9 le syst\u00e8me au point qu&rsquo;il est d\u00e9sormais possible de stocker l&rsquo;\u00e9nergie jusqu&rsquo;\u00e0 18 ans. Un catalyseur sp\u00e9cialement con\u00e7u lib\u00e8re l&rsquo;\u00e9nergie \u00e9conomis\u00e9e sous forme de chaleur tout en redonnant \u00e0 la mol\u00e9cule sa forme d&rsquo;origine, de sorte qu&rsquo;elle peut ensuite \u00eatre r\u00e9utilis\u00e9e pour la captation solaire. En combinaison avec un g\u00e9n\u00e9rateur thermo\u00e9lectrique d&rsquo;une \u00e9paisseur microm\u00e9trique, le syst\u00e8me peut produire de l&rsquo;\u00e9lectricit\u00e9 sur commande.<\/p>\n<p>La nouvelle \u00e9tude, publi\u00e9e dans \u00ab\u00a0Cell Reports Physical Science\u00a0\u00bb a \u00e9t\u00e9 r\u00e9alis\u00e9e en collaboration entre Kasper Moth-Poulsen et ses coll\u00e8gues Tao Li et Zhiyu Hu de l&rsquo;Universit\u00e9 Jiao Tong de Shanghai, qui ont pris en charge la partie g\u00e9n\u00e9rateur thermo\u00e9lectrique compact qui permet la conversion d&rsquo;\u00e9nergie emmagasin\u00e9e en \u00e9lectricit\u00e9.<\/p>\n<p><a href=\"https:\/\/www.chalmers.se\/en\/departments\/chem\/news\/Pages\/Converting-solar-energy-to-electricity-on-demand.aspx\">Chalmers University and Technology<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les chercheurs \u00e0 l&rsquo;origine d&rsquo;un syst\u00e8me \u00e9nerg\u00e9tique permettant de capter l&rsquo;\u00e9nergie solaire, de la stocker jusqu&rsquo;\u00e0 dix-huit ans et de la restituer quand et o\u00f9 elle est n\u00e9cessaire ont maintenant pouss\u00e9 le syst\u00e8me un peu plus loin.<\/p>\n","protected":false},"author":11,"featured_media":380053,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[883],"tags":[],"domains":[47],"ppma_author":[1143],"class_list":["post-380046","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technologies","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Convertir l&#039;\u00e9nergie solaire en \u00e9lectricit\u00e9 \u00e0 la demande ...<\/title>\n<meta name=\"description\" content=\"Les chercheurs \u00e0 l&#039;origine d&#039;un syst\u00e8me \u00e9nerg\u00e9tique permettant de capter l&#039;\u00e9nergie solaire, de la stocker jusqu&#039;\u00e0 dix-huit ans et de la restituer quand...\" \/>\n<meta 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