Patents Assigned to POWE SYSTEMS CO., LTD.
  • Power Storage Element And Electric Double Layer Capacitor
    Publication number: 20070201185
    Abstract: To provide electric double layer capacitors which have large electrostatic capacitances. Graphite with a BET surface area of from 10 to 300 m2/g, wherein the graphite has an energy storing ability of 10 to 200 mAh at a voltage of 1 V or more based on the oxidation-reduction potential of lithium.
    Type: Application
    Filed: January 21, 2005
    Publication date: August 30, 2007
    Applicant: POWE SYSTEMS CO., LTD.
    Inventors: Masaki Yoshio, Hitoshi Nakamura