摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electric double layer capacitor of large electrostatic capacitance. <P>SOLUTION: Relating to the carbon material for an electric double layer capacitor, the peak is 6 (ml nm<SP>-1</SP>g<SP>-1</SP>) or higher in the range of 0.6-1nm of pore radius, in a pore volume distribution curve measured by an MP method using nitrogen adsorption. <P>COPYRIGHT: (C)2008,JPO&INPIT |