High performance ultracapacitors with carbon nanomaterials and ionic liquids
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United States of America Patent
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Oct 9, 2012
Grant Date -
Aug 14, 2008
app pub date -
Aug 1, 2007
filing date -
Aug 2, 2006
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Abstract
The present invention is directed to the use of carbon nanotubes and/or electrolyte structures in various electrochemical devices, such as ultracapacitors having an ionic liquid electrolyte. The carbon nanotubes are preferably aligned carbon nanotubes. Compared to randomly entangled carbon nanotubes, aligned carbon nanotubes can have better defined pore structures and higher specific surface areas.
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