Patents by Inventor Jussi SIHVO

Jussi SIHVO 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: 20240094301
    Abstract: According to an example embodiment, a method is provided, the method comprising: determining a respective impedance curve for a plurality of cells extracted from a plurality of rechargeable batteries, wherein each impedance curve is descriptive of an internal impedance of the respective cell as a function of frequency over a predefined frequency range; determining, for each of the plurality of cells, respective one or more impedance characteristics based on the impedance curve determined for the respective cell; and sorting the plurality of cells into one or more quality classes in accordance with the one or more impedance characteristics determined for the plurality of cells.
    Type: Application
    Filed: May 24, 2022
    Publication date: March 21, 2024
    Inventors: Roni LUHTALA, Tuomas MESSO, Jussi SIHVO