nitrogen doped carbon nanotubes Archives – The Green Optimistic green tech news, since 2008 Sat, 07 Feb 2009 19:40:27 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Nitrogen Doped Carbon Nanotubes Make Fuel Cells Compete with Gasoline Engines https://www.greenoptimistic.com/nitrogen-doped-carbon-nanotube-20090207/ https://www.greenoptimistic.com/nitrogen-doped-carbon-nanotube-20090207/#respond Sat, 07 Feb 2009 19:40:27 +0000 https://www.greenoptimistic.com/?p=2101 Hydrogen is the most looked for energy storage, but using it is very expensive due to the fuel cell - the device that has to convert the hydrogen into energy, with its only output pure water. Because fuel cells use a platinum based material to work, they are very expensive - about $4,000 for powering a normal passenger car. Solutions are being searched for making fuel cells cheaper, more efficient and more durable, with millions of dollars poured in every year.

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