Patents by Inventor Yordan Athanassov

Yordan Athanassov 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).

  • Photoelectrochemical cell and electrolyte for this cell
    Patent number: 5728487
    Abstract: A cell including a photoanode consisting of at least one polycrystalline titanium dioxide layer on a conductive substrate, a counter-electrode and an electrolyte positioned between these electrodes, at least one of said electrodes being transparent or translucent. The electrolyte includes an oxidation-reduction system which is liquid at room temperature. The first species of the pair making up the oxidation-reduction system advantageously consists of an electrochemically active salt having a melting point below room temperature, and optionally being dissolved in at least one electrochemically inactive salt also having a melting point below room temperature.
    Type: Grant
    Filed: June 28, 1996
    Date of Patent: March 17, 1998
    Assignee: Ecole Polytechnique Federale de Lausanne
    Inventors: Michael Gratzel, Yordan Athanassov, Pierre Bonhote