| 摘要 |
<p>A composite suitable as charge-storing material for electrochemical capacitors comprising carbon nanotubes and a carbonaceous materiel, characterized in that 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 %.</p> |
