{"id":3400,"date":"2007-12-08T17:09:17","date_gmt":"2007-12-08T17:09:17","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/2007\/12\/08\/pnurie-de-silic\/"},"modified":"2012-07-12T10:13:29","modified_gmt":"2012-07-12T10:13:29","slug":"pnurie-de-silic","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2007\/12\/08\/pnurie-de-silic\/","title":{"rendered":"P\u00e9nurie de silicium."},"content":{"rendered":"<p><a href=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/photovoltaique1.png\"><img loading=\"lazy\" decoding=\"async\" width=\"250\" height=\"187\"  src=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/photovoltaique.png\" alt=\"Photovoltaique\" style=\"margin: 0px 5px 5px 0px;float: left\" \/><\/a> On parle fr\u00e9quemment, mais improprement d&rsquo;ailleurs de &quot;p\u00e9nurie de silicium&quot; pour les panneaux photovolta\u00efques. <br \/>En effet, le silicium est extr\u00eamement abondant sur terre, et c&rsquo;est de silicium purifi\u00e9 qu&rsquo;on manque. Quoique les capacit\u00e9s de productions augmente constamment, elle est toujours en de\u00e7\u00e0 de la demande. <br \/>Ce silicium est tr\u00e8s couteux \u00e0 produire, il consomme beaucoup d&rsquo;\u00e9nergie (\u00e9nergie grise). <br \/>On utilise aussi le <a href=\"http:\/\/www.inti.be\/ecotopie\/solact.html\">solaire thermique<\/a>, ainsi que le <a href=\"http:\/\/fr.wikipedia.org\/wiki\/Panneau_solaire\">solaire \u00e0 concentration<\/a>, avec des variantes. <br \/>Le solaire thermique sert \u00e0 r\u00e9chauffer un fluide, et est utilis\u00e9 dans le chauffage. <\/p>\n<p>on utilise aussi le solaire \u00e0 concentration sur des <a href=\"http:\/\/www.coolearthsolar.com\/\">cellules photovolta\u00efques<\/a>, ce qui permet d&rsquo;en r\u00e9duire la surface, et donc le co\u00fbt. <br \/>La concentration solaire est une technique ancienne, connue depuis l&rsquo;antiquit\u00e9, et au moins depuis Archim\u00e8de. <br \/>Comme on peut le voir sur la photo, ces installations futuristes \u00e9voquent plus la batterie de cuisine qu&rsquo;autre chose&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>On parle fr\u00e9quemment, mais improprement d&rsquo;ailleurs de &quot;p\u00e9nurie de silicium&quot; pour les panneaux photovolta\u00efques. En effet, le silicium est extr\u00eamement abondant sur terre, et c&rsquo;est de silicium purifi\u00e9 qu&rsquo;on manque. Quoique les capacit\u00e9s de productions augmente constamment, elle est toujours en de\u00e7\u00e0 de la demande. Ce silicium est tr\u00e8s couteux \u00e0 produire, il consomme beaucoup [&hellip;]<\/p>\n","protected":false},"author":198,"featured_media":7031,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,8,3],"tags":[1295],"class_list":["post-3400","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","category-bio-carburants","category-energie-fossile","tag-solaire-a-concentration-cellules-photovoltaiques-solaire-thermique"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>P\u00e9nurie de silicium. - 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\/2007\/12\/08\/pnurie-de-silic\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"P\u00e9nurie de silicium. - leblogenergie.com\" \/>\n<meta name=\"twitter:description\" content=\"On parle fr\u00e9quemment, mais improprement d&rsquo;ailleurs de &quot;p\u00e9nurie de silicium&quot; pour les panneaux photovolta\u00efques. 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