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Article

Title: Gassing Up with Hydrogen

Author: Satyapal, Sunita; Petrovic, John; Thomas, George Article Type: Product Analysis
Source: Scientific American, v296 n4 p80(8) Publication Date: Apr 2007
  ISSN: 0036-8733
  Illustrations: Charts, Photographs
URL of Publication: http://www.sciam.com

One of the biggest challenges to the use of hydrogen as fuel for autos is how to efficiently and safely store enough hydrogen onboard to provide the driving range and performance that motorists demand. Much effort is under way to find ways to develop storage devices that hold enough hydrogen to support the current minimum acceptable travel range, which is 300 miles on a tank of fuel, in a volume of space that does not take away passenger or luggage space. The storage devices should release hydrogen at required flow rates and ensure a practical temperature for operation. They should be refillable or rechargeable in a few minutes and be competitively priced. Groups working on such research include the International Energy Agency's Hydrogen Implementing Agreement, the International Partnership for the Hydrogen Economy, and the U.S. Department of Energy's National Hydrogen Storage Project Centers of Excellence. Several hundred prototype fuel-cell vehicles store hydrogen in high-pressure cylinders. BMW also plans to introduce a vehicle called Hydrogen 7 that will include an internal combustion engine that can run either on gasoline for 300 miles or on liquid hydrogen for 125 miles. Also discussed are chemical compaction, destabilized hydrides, hydrogen carriers, chemical hydrides, complex hydrides, designer materials, and hydrogen adsorbents.

Special Features: Charts, Photographs

Products:
Hydrogen Fuel

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