{"id":134,"date":"2011-06-19T08:19:17","date_gmt":"2011-06-19T08:19:17","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/2011\/06\/19\/semprius-un-nouvel-acteur-industriel-dans-le-photovoltaique-a-haute-concentration\/"},"modified":"2012-07-12T12:33:28","modified_gmt":"2012-07-12T12:33:28","slug":"semprius-un-nouvel-acteur-industriel-dans-le-photovoltaique-a-haute-concentration","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2011\/06\/19\/semprius-un-nouvel-acteur-industriel-dans-le-photovoltaique-a-haute-concentration\/","title":{"rendered":"Semprius: un nouvel acteur industriel dans le photovolta\u00efque \u00e0 haute concentration"},"content":{"rendered":"<p><a href=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/6a00d83451b18369e2014e893be9ec970d-pi.jpg\"><img decoding=\"async\" alt=\"Semprius\" class=\"asset  asset-image at-xid-6a00d83451b18369e2014e893be9ec970d\" src=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/6a00d83451b18369e2014e893be9ec970d-250wi.jpg\" style=\"width: 220px;margin: 0px 5px 5px 0px\" \/><\/a>&#160; La technologie du photovolta\u00efque \u00e0 concentration ou \u00e0 haute concentration (CPV ou HCPV) consiste \u00e0 focaliser \u00e0 l&#039;aide d&#039;un ensemble optique simple et d&#039;un syst\u00e8me de tracking \u00e0 deux dimensions les rayons du soleil sur un ensemble de toutes petites surfaces photovolta\u00efques \u00e0 fort taux de conversion (&gt; ou = 40%). La n\u00e9cessit\u00e9 d&#039;un tracking disqualifie ces syst\u00e8mes des applications domestiques les plus courantes qui utilisent les toits des maisons bourgeoises comme supports des modules et o\u00f9 le prix du MWh solaire doit \u00eatre comp\u00e9titif avec celui de l&#039;\u00e9lectricit\u00e9 vendue au d\u00e9tail \u00e0 l&#039;entr\u00e9e du compteur.<\/p>\n<p>&#160;C&#039;est donc une technologie qui est destin\u00e9e \u00e0 entrer en concurrence avec les syst\u00e8mes low cost en couches minces du type Cd-Te ou CIGS des fermes photovolta\u00efques. Elle poss\u00e8de un avantage comp\u00e9titif \u00e9vident c&#039;est son taux de conversion qui est pr\u00e8s de trois fois sup\u00e9rieur aux meilleurs modules en couches minces, mais elle doit se battre sur les prix du Watt pour pouvoir esp\u00e9rer prendre une part significative de ce march\u00e9 qui devra un jour s&#039;aligner, hors subventions, avec les prix de l&#039;\u00e9lectricit\u00e9 sortie usine, avant transport et distribution.<\/p>\n<p>&#160;De nombreux acteurs comme <span style=\"color: #0000bf\"><strong>Amonix, SolFocus ou Soitec-Concentrix<\/strong><\/span> se confrontent \u00e0 ces probl\u00e8mes du c\u00f4t\u00e9 de la Californie o\u00f9 de larges d\u00e9serts sont pr\u00eats \u00e0 accueillir ces installations sponsoris\u00e9es par le DOE. Mais le faible d\u00e9veloppement de la fili\u00e8re, en particulier dans le domaine du capteur photovolta\u00efque qui doit \u00eatre le moins cher possible, favorise l&#039;arriv\u00e9e de nouveaux acteurs attir\u00e9s par les larges subventions de l&#039;Administration Obama. C&#039;est ainsi que <span style=\"color: #0000bf\"><strong>Semprius<\/strong><\/span>, soci\u00e9t\u00e9 am\u00e9ricaine sp\u00e9cialis\u00e9e dans le &quot;micro-tranfer printing&quot; revendique avoir mis au point un capteur de type Ga-As de 10 microns d&#039;\u00e9paisseur et de 0,36 millim\u00e8tre carr\u00e9 de surface (600 x 600 microns) qui accepte des rayons de soleil concentr\u00e9s 1000 fois. La partie photo active du capteur n&#039;occupe donc qu&#039;un milli\u00e8me de la surface totale. Pour assurer le d\u00e9veloppement de l&#039;ensemble du syst\u00e8me Joseph Carr, le CEO de Semprius, un ancien d&#039;Osram, s&#039;est naturellement associ\u00e9 \u00e0 Siemens entr\u00e9 au capital qui va lui fournir son syst\u00e8me de tracking qui travaille avec une pr\u00e9cision angulaire de 0,2 degr\u00e9s. Une premi\u00e8re s\u00e9rie de d\u00e9monstration de ce syst\u00e8me va \u00eatre fournie au mois d&#039;Ao\u00fbt \u00e0 la Tucson Electric Power dans l&#039;Arizona.<\/p>\n<p>LIRE<a href=\"http:\/\/www.semprius.com\/pdf\/press_releases\/press_release_12.pdf\" target=\"_blank\"> la nouvelle de Semprius<\/a>.<\/p>\n<p>Le 19 Juin 2011<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&#160; La technologie du photovolta\u00efque \u00e0 concentration ou \u00e0 haute concentration (CPV ou HCPV) consiste \u00e0 focaliser \u00e0 l&#039;aide d&#039;un ensemble optique simple et d&#039;un syst\u00e8me de tracking \u00e0 deux dimensions les rayons du soleil sur un ensemble de toutes petites surfaces photovolta\u00efques \u00e0 fort taux de conversion (&gt; ou = 40%). La n\u00e9cessit\u00e9 d&#039;un [&hellip;]<\/p>\n","protected":false},"author":341,"featured_media":22861,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-134","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-solaire"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Semprius: un nouvel acteur industriel dans le photovolta\u00efque \u00e0 haute concentration - leblogenergie.com<\/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:\/\/blogs.thesocialmedia.com\/leblogenergie\/2011\/06\/19\/semprius-un-nouvel-acteur-industriel-dans-le-photovoltaique-a-haute-concentration\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Semprius: un nouvel acteur industriel dans le photovolta\u00efque \u00e0 haute concentration - leblogenergie.com\" \/>\n<meta name=\"twitter:description\" content=\"&#160; La technologie du photovolta\u00efque \u00e0 concentration ou \u00e0 haute concentration (CPV ou HCPV) consiste \u00e0 focaliser \u00e0 l&#039;aide d&#039;un ensemble optique simple et d&#039;un syst\u00e8me de tracking \u00e0 deux dimensions les rayons du soleil sur un ensemble de toutes petites surfaces photovolta\u00efques \u00e0 fort taux de conversion (&gt; ou = 40%). 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