Patents by Inventor Wolf-U. Barenthin

Wolf-U. Barenthin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Metal-air cell having high capacity
    Patent number: 9077049
    Abstract: A zinc-air button cell comprising a zinc-containing anode and an air cathode as electrochemical active components and a casing surrounding the anode and the cathode and having 1 to 128 inlet openings through which atmospheric oxygen can enter the casing, wherein 1) the casing comprises a cell cup and a cell lid, 2) the inlet openings are introduced in a bottom portion of the cell cup, 3) at least a part of the inlet openings has an opening area of <0.025 mm2, and 4) the air cathode is a substantially flat layer and seated directly on the bottom portion of the cell cup.
    Type: Grant
    Filed: August 18, 2011
    Date of Patent: July 7, 2015
    Assignee: Varta Microbattery GmbH
    Inventors: Winfried Gaugler, Wolf-U. Barenthin, Rolf Brenner
  • METAL-AIR CELL HAVING HIGH CAPACITY
    Publication number: 20130183596
    Abstract: A zinc-air button cell comprising a zinc-containing anode and an air cathode as electrochemical active components and a casing surrounding the anode and the cathode and having 1 to 128 inlet openings through which atmospheric oxygen can enter the casing, wherein 1) the casing comprises a cell cup and a cell lid, 2) the inlet openings are introduced in a bottom portion of the cell cup, 3) at least a part of the inlet openings has an opening area of <0.025 mm2, and 4) the air cathode is a substantially flat layer and seated directly on the bottom portion of the cell cup.
    Type: Application
    Filed: August 18, 2011
    Publication date: July 18, 2013
    Applicant: VARTA MICROBATTERY GMBH
    Inventors: Winfried Gaugler, Wolf-U. Barenthin, Rolf Brenner