| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an improved novel electric double layer capacitor in which the capacity per unit volume, i.e. the energy density, is enhanced when compared with prior art while maintaining the advantages of the electric double layer capacitor. <P>SOLUTION: The electric double layer capacitor comprises a plurality of electrodes containing a porous material that has a surface covered with a conductive material and has a specific surface area of 300 m<SP POS="POST">2</SP>/g or more, and an electrolyte arranged between the plurality of electrodes. <P>COPYRIGHT: (C)2013,JPO&INPIT |
