Patents Assigned to Yusasa Corporation
  • Battery and its manufacturing method
    Patent number: 5658687
    Abstract: A battery having a cathode composite made of an ion-conductive high-molecular weight compound; an electrolyte made of the ion-conductive high-molecular weight compound; and an anode made of an electrode active material or a composite which includes the ion-conductive high-molecular weight compound. The amount of sulphate ion, para-toluenesulfonate ion, chlorine ion, polyethylene glycol, acrylic acid and methacrylic acid etc. inside the battery is controlled to 0.1 wt % or less.
    Type: Grant
    Filed: October 18, 1994
    Date of Patent: August 19, 1997
    Assignee: Yusasa Corporation
    Inventors: Kazunari Takeda, Syuichi Izuchi