Hydrogen storage apparatus using porous carbon nanospheres
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United States of America Patent
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Nov 22, 2011
Grant Date -
Feb 18, 2010
app pub date -
Oct 22, 2009
filing date -
Sep 5, 2007
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Expired
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Abstract
Hydrogen is stored by adsorbing the hydrogen to a carbon nanomaterial that includes carbon nanospheres. The carbon nanospheres are multi-walled, hollow carbon nanostructures with a maximum diameter in a range from about 10 nm to about 200 nm. The nanospheres have an irregular outer surface with graphitic defects and an aspect ratio of less than 3:1. The carbon nanospheres can store hydrogen in quantities of at least 1.0% by weight.
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