{"id":71429,"date":"2012-01-16T00:00:00","date_gmt":"2012-01-15T23:00:00","guid":{"rendered":"http:\/\/b.bati-journal.com\/les-cellules-solaires-organiques-avenir-du-photovoltaique\/71429"},"modified":"2019-07-15T12:22:26","modified_gmt":"2019-07-15T10:22:26","slug":"les-cellules-solaires-organiques-avenir-du-photovoltaique","status":"publish","type":"post","link":"https:\/\/batijournal.com\/index.php\/les-cellules-solaires-organiques-avenir-du-photovoltaique\/71429\/","title":{"rendered":"Les cellules solaires organiques : avenir du photovolta\u00efque ?"},"content":{"rendered":"

Actuellement, les installations de production \u00e9lectrique photovolta\u00efque sont \u00e9quip\u00e9es de capteurs en silicium. Le rendement moyen de piles en silicium monocristallin est de 14 \u00e0 16 %, mais leur co\u00fbt de fabrication demeure \u00e9lev\u00e9. Faisant l’objet de recherches dans le monde entier, les cellules photovolta\u00efques organiques (PVO), sont souples et surtout moins cher \u00e0 produire. Leurs rendements sont plus bas mais ils ne cessent d’augmenter.\u000b\u000bDes chercheurs du CNRC (Conseil National de Recherches du Canada) viennent de battre un record avec une cellule photovolta\u00efque organique (PVO) en polarisation inverse. Recourant \u00e0 un nouveau polym\u00e8re d\u00e9velopp\u00e9 en collaboration avec l’Universit\u00e9 Laval, le CNRC a con\u00e7u une s\u00e9rie de piles solaires organiques dont la meilleure a atteint un rendement de 7,1 %. Le record pr\u00e9c\u00e9dent de 6,9 % avait \u00e9t\u00e9 \u00e9tabli par la soci\u00e9t\u00e9 belge Imec, dont la cellule PVO en polarisation inverse poss\u00e9dait une surface de 0,08 cm2. Outre son rendement plus \u00e9lev\u00e9, la cellule PVO du CNRC mesure 1 cm2, elle est 12 fois plus grande. Or, \u00ab plus la surface active d’une pile photovolta\u00efque est grande, plus cette derni\u00e8re est proche de la fabrication industrielle \u00bb, a expliqu\u00e9 Ta-Ya Chu, chercheur au CNRC.\u000b\u000bLes cellules PVO en polarisation inverse – ainsi baptis\u00e9es parce qu’il y a inversion de l’anode et de la cathode – transforment habituellement moins bien la lumi\u00e8re en \u00e9lectricit\u00e9 que les cellules PVO classiques. Cependant, leur structure se pr\u00eate davantage \u00e0 la production de masse. Les piles solaires du CNRC sont faites de minces couches de plastique organique peintes ou imprim\u00e9es sur un rev\u00eatement plastique plus \u00e9pais rappelant les films ac\u00e9tates de r\u00e9troprojecteur. Elles g\u00e9n\u00e8rent de l’\u00e9lectricit\u00e9 m\u00eame quand on les applique sur des formes irr\u00e9guli\u00e8res (mallette, sac \u00e0 dos, \u00e9quipement militaire, tente, auvent, voire des b\u00e2timents entiers). Elles peuvent aussi recouvrir des fen\u00eatres car elles sont semi-transparentes. D\u00e9clin\u00e9es dans de multiples couleurs, elle seront \u00e0 la fois productrices d’\u00e9lectricit\u00e9 et d\u00e9coratives.\u000bwww.nrc-cnrc.gc.ca<\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Actuellement, les installations de production \u00e9lectrique photovolta\u00efque sont \u00e9quip\u00e9es de capteurs en silicium. Le rendement moyen de piles en silicium monocristallin est de 14 \u00e0 16 %, mais leur co\u00fbt de fabrication demeure \u00e9lev\u00e9. Faisant l’objet de recherches dans le monde entier, les cellules photovolta\u00efques organiques (PVO), sont souples et surtout moins cher \u00e0 produire. […]<\/p>\n","protected":false},"author":1,"featured_media":71430,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[6351],"tags":[464],"class_list":["post-71429","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-energie-environnement","tag-photovoltaique"],"yoast_head":"\nLes cellules solaires organiques : avenir du photovolta\u00efque ?<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/batijournal.com\/index.php\/les-cellules-solaires-organiques-avenir-du-photovoltaique\/71429\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Les cellules solaires organiques : avenir du photovolta\u00efque ?\" \/>\n<meta property=\"og:description\" content=\"Actuellement, les installations de production \u00e9lectrique photovolta\u00efque sont \u00e9quip\u00e9es de capteurs en silicium. 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