{"id":1233,"date":"2009-02-04T13:53:17","date_gmt":"2009-02-04T13:53:17","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/02\/04\/des-modules-pho-2\/"},"modified":"2012-07-12T11:20:20","modified_gmt":"2012-07-12T11:20:20","slug":"des-modules-pho-2","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/02\/04\/des-modules-pho-2\/","title":{"rendered":"Des modules photovolta\u00efques en couches minces de plus en plus \u00e9labor\u00e9s"},"content":{"rendered":"<p><a href=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/micromorphthinfilmsontor1.gif\"><img loading=\"lazy\" decoding=\"async\" height=\"176\" alt=\"Micromorphthinfilmsontor\" src=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/micromorphthinfilmsontor.gif\" width=\"318\"  \/><\/a>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; En ces p\u00e9riodes de raret\u00e9 des cr\u00e9dits et d&rsquo;accroissement de rigueur financi\u00e8re de la demande, les techniques photovolta\u00efques conduisant aux produits les moins on\u00e9reux ont une formidable carte \u00e0 jouer. En particulier, les technologies en couches minces qui r\u00e9duisent \u00e0 quelques microns d&rsquo;\u00e9paisseur les mati\u00e8res photosensibles et qui travaillent tout au long du process sur une surface qui repr\u00e9sente le module d\u00e9finitif, ont une position strat\u00e9gique \u00e9vidente. Trois technologies en couches minces s&rsquo;affrontent aujourd&rsquo;hui: le Tellurure de Cadmium, les techniques CIGS et le Silicium amorphe. Toutes les trois, par rapport au Silicium cristallin, souffrent d&rsquo;un faible rendement de conversion, qui peut varier entre 8% et 11% selon les technologies et les fabricants. On assiste donc dans chacune des trois branches \u00e0 une course \u00e0 l&rsquo;am\u00e9lioration technique pour faire cro\u00eetre les rendements et r\u00e9duire ainsi le prix par Watt du produit fini. Pour la voie silicium amorphe c&rsquo;est la technologie dite au <u>Silicium micromorphe<\/u> qui aujourd&rsquo;hui anime la chronique industrielle. <\/p>\n<p><a href=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/micromorphthinfilmabsorbtion.gif\"><\/a><a href=\"http:\/\/clabedan.typepad.com\/photos\/uncategorized\/2009\/02\/04\/micromorphthinfilmabsorbtion_2.gif\"><img loading=\"lazy\" decoding=\"async\" height=\"178\" alt=\"Micromorphthinfilmabsorbtion_2\" src=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/micromorphthinfilmabsorbtion_2.jpg\" width=\"250\"  \/><\/a>&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;Cette technique repose sur des structures tandem Si cristallin-Si amorphe (FIG.) qui permettent d&rsquo;absorber une large partie du spectre solaire, le Si amorphe absorbant la partie visible et le Si cristallin plac\u00e9 au dessous absorbant la partie infrarouge. Le produit industriel le plus sophistiqu\u00e9 du genre est s\u00fbrement celui de Sanyo avec sa technologie HIT (Heterojunction Intrinsic Thin Layer) qui revendique des coefficients de conversion de plus de 20% et se dirige vers 22% par am\u00e9liorations successives. Mais il repose sur une technique de Silicium cristallin rev\u00eatue de Si amorphe. L&rsquo;id\u00e9e d&rsquo;un produit moins dispendieux est donc de reproduire cette performance, mais avec des technologies plus \u00e9conomiques, en couches minces. Il est \u00e9vident que <strong><span style=\"color: #000099\">Sanyo<\/span><\/strong>, bien qu&rsquo;il n&rsquo;ait rien d\u00e9voil\u00e9 des technologies mises en oeuvre au sein de sa nouvelle alliance avec <strong><span style=\"color: #000099\">Nippon Oil<\/span><\/strong>, va s\u00fbrement industrialiser une technologie \u00e0 base de Silicium et pourquoi pas tandem en couche mince? <\/p>\n<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; En Europe deux leaders s&rsquo;affrontent il y a tout d&rsquo;abord une filiale de <strong><span style=\"color: #000099\">Q-Cells<\/span><\/strong> nomm\u00e9e <strong><span style=\"color: #000099\">Sontor<\/span><\/strong> associ\u00e9e pour la cause avec l&rsquo;\u00e9quipementier <span style=\"color: #000099\"><strong>Applied Materials<\/strong> <\/span>et d&rsquo;un autre c\u00f4t\u00e9 le suisse <strong><span style=\"color: #000099\">Oerlikon Solar<\/span><\/strong> qui lui aussi vend la technologie tandem et dont un de ses clients, <span style=\"color: #000099\"><strong>Inventux Technologies,<\/strong> <\/span>aurait lanc\u00e9 une production industrielle de 33 MW au mois de D\u00e9cembre. Sontor pour sa part, dispose d&rsquo;une une capacit\u00e9 de production de 24MW dans cette technologie en couche mince. Il propose un module de 1,78 m2 (1,68m X 1,06m) qui d\u00e9livre entre 125W et 145W.<\/p>\n<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; Ces nouvelles technologies montrent que les techniques photovolta\u00efques n&rsquo;en sont qu&rsquo;\u00e0 leurs d\u00e9buts d&rsquo;industrialisation. Elles sont tout d&rsquo;abord sorties du laboratoire avec de minuscules cellules de Silicium, bient\u00f4t, elles produiront en masse et en continu des produits industriels \u00e9conomiques qui permettront de produire de l&rsquo;\u00e9lectricit\u00e9 non subventionn\u00e9e au prix \u00e0 parit\u00e9 avec celui du r\u00e9seau. C&rsquo;est une \u00e9vidence!<\/p>\n<p>Le 4 F\u00e9vrier 2009.<\/p>\n<p>&#8211;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; En ces p\u00e9riodes de raret\u00e9 des cr\u00e9dits et d&rsquo;accroissement de rigueur financi\u00e8re de la demande, les techniques photovolta\u00efques conduisant aux produits les moins on\u00e9reux ont une formidable carte \u00e0 jouer. En particulier, les technologies en couches minces qui r\u00e9duisent \u00e0 quelques microns d&rsquo;\u00e9paisseur les mati\u00e8res photosensibles et [&hellip;]<\/p>\n","protected":false},"author":341,"featured_media":11715,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-1233","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>Des modules photovolta\u00efques en couches minces de plus en plus \u00e9labor\u00e9s - 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\/2009\/02\/04\/des-modules-pho-2\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Des modules photovolta\u00efques en couches minces de plus en plus \u00e9labor\u00e9s - leblogenergie.com\" \/>\n<meta name=\"twitter:description\" content=\"&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; En ces p\u00e9riodes de raret\u00e9 des cr\u00e9dits et d&rsquo;accroissement de rigueur financi\u00e8re de la demande, les techniques photovolta\u00efques conduisant aux produits les moins on\u00e9reux ont une formidable carte \u00e0 jouer. 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