Patents by Inventor Ulrich Peter Wietelmann, I

Ulrich Peter Wietelmann, I 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).

  • Method for producing a carbon-coated lithium sulfide and use thereof
    Patent number: 9023252
    Abstract: The invention relates to a novel method for producing a carbon-doped lithium sulfide powder, according to which elementary lithium is reacted with elementary sulfur and/or a sulfur-containing compound selected from the group containing CS2, COS, SO2 and SO, in a liquid state, in an aliphatic or cycloaliphatic hydrocarbon solvent. The products of the method according to the invention are used to produce lithium battery electrodes or a lithium-ion-conducting solid.
    Type: Grant
    Filed: June 14, 2012
    Date of Patent: May 5, 2015
    Assignee: Rockwood Lithium GmbH
    Inventor: Ulrich Peter Wietelmann, I