built Archives – The Green Optimistic green tech news, since 2008 Sat, 14 Feb 2015 14:55:50 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 How to Build the Simplest Fuel Cell Ever https://www.greenoptimistic.com/simple-fuel-cell-build/ https://www.greenoptimistic.com/simple-fuel-cell-build/#comments Tue, 18 Mar 2008 17:00:34 +0000 https://www.greenoptimistic.com/index.php/2008/03/18/how-to-build-the-most-simple-fuel-cell/ The simplest fuel cell “burns” hydrogen in a flameless chemical reaction to produce electricity. In order to ‘burn’ the hydrogen, a fuel cell needs a source of oxygen and this is usually obtained from air. The only by-product from this type of fuel cell is water. Unlike a battery, a fuel cell does not store […]

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