photovoltaic device Archives – The Green Optimistic green tech news, since 2008 Thu, 28 Jul 2011 16:35:58 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 MIT Researchers Invent Solar Cells That Transform Heat Into Electricity https://www.greenoptimistic.com/mit-solar-cells-heat-electricity-20110728/ https://www.greenoptimistic.com/mit-solar-cells-heat-electricity-20110728/#respond Thu, 28 Jul 2011 16:35:58 +0000 https://www.greenoptimistic.com/?p=19633 If you thought photovoltaics can only get energy from the Sun, then you were wrong. An MIT team of researchers have invented a device that produces electricity from heat. The process uses the photovoltaic effect as the middleman and is three times more efficient than the most efficient lithium ion batteries on market today.

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]]> https://www.greenoptimistic.com/mit-solar-cells-heat-electricity-20110728/feed/ 0 19633 Both Light And Heat Harvested by New Device from Fujitsu https://www.greenoptimistic.com/photovoltaic-thermoelectric-device-fujitsu-20101210/ https://www.greenoptimistic.com/photovoltaic-thermoelectric-device-fujitsu-20101210/#comments Fri, 10 Dec 2010 15:37:27 +0000 https://www.greenoptimistic.com/?p=12293 Solar panels harvest light and thermoelectric devices harvest the heat - but recently, Fujitsu Laboratories Ltd have developed a blend of both: a power-generating device that can convert both light and temperature difference into an electric current.

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