cheap solar panels Archives – The Green Optimistic green tech news, since 2008 Sun, 11 Mar 2012 05:21:11 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 DIY: How To Build Your Own Ultra-Cheap, Portable Solar Panels https://www.greenoptimistic.com/build-portable-solar-panels-20120309/ https://www.greenoptimistic.com/build-portable-solar-panels-20120309/#respond Fri, 09 Mar 2012 19:19:27 +0000 https://www.greenoptimistic.com/?p=23215 Solar panels are “the thing” this year, so you won’t be able to escape them, no matter how hard you try. Why just not make your own then? You need 40 3×6 solar cells with tabbing wire (check out online stores for that), some Optix Acrylic sheet: $28 (32x44inch sheet) cut in 4 (brave the […]

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]]> https://www.greenoptimistic.com/build-portable-solar-panels-20120309/feed/ 0 23215 University of Texas Discovery Could Turn Solar Cells' Lost Heat into Electricity https://www.greenoptimistic.com/cheap-solar-cells-20111223/ https://www.greenoptimistic.com/cheap-solar-cells-20111223/#respond Thu, 22 Dec 2011 21:13:04 +0000 https://www.greenoptimistic.com/?p=21652 Solar cells are a real treasure if handled and improved properly. The problem with them is that they usually use silicon, so the efficiency rate doesn’t exceed 31%, at most. All of this is about to change once the organic plastic semiconductor material suggested by the University of Texas comes in place: a predicted 50 […]

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