Composite containing carbonized biopolymers and carbon nanotubes and method of making the composite
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United States of America Patent
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Nov 15, 2011
Grant Date -
Feb 11, 2010
app pub date -
Aug 17, 2009
filing date -
Feb 16, 2007
priority date (Note) -
Expired
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Abstract
A composite suitable as a charge-storing material for electrochemical capacitors contains carbon nanotubes and a carbonaceous materiel. The carbonaceous material is the carbonization residue of a biopolymer or seaweed rich in heteroatoms. Wherein the carbonization residue of the biopolymer or seaweed is electrically conductive and has a heteroatom content as detected by XPS of at least 6%.
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