Patents by Inventor Claudia PFEIFER

Claudia PFEIFER 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).

  • Publication number: 20210024370
    Abstract: The invention relates to a method for the precipitation of a solid material, where the method comprises: providing an aqueous metal ion solution, said metal ion solution comprising TiOSO4 and metal ions of a metal M, where M is one or more of the elements: Mg, Co, Cu, Ni, Mn, Fe; providing an aqueous carbonate solution; and mixing said aqueous metal ion solution and said aqueous carbonate solution thereby providing a solid material comprising titanium and a metal carbonate comprising said metal(s) M, where the titanium is homogeneously distributed within the solid material. The invention also relates to a solid material, a method of preparing a positive electrode material for a secondary battery from the solid material and the use of the solid material as a precursor for the preparation of a positive electrode material for a secondary battery.
    Type: Application
    Filed: August 15, 2018
    Publication date: January 28, 2021
    Applicant: HALDOR TOPSØE A/S
    Inventors: Søren DAHL, Jon FOLD VON BÜLOW, Rainer KÜNGAS, Anni STAHL, Peter AXMANN, Gisela ARNOLD, Claudia PFEIFER, Wolfgang WEIRATHER