Patents by Inventor Olivier Simonneau

Olivier Simonneau 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).

  • Paste type nickel electrode containing a cobalt compound and at least one other element
    Patent number: 5993995
    Abstract: The present invention provides a paste type nickel electrode for a storage cell having an alkaline electrolyte, the electrode comprising a current collector and a paste containing a nickel-based hydroxide and an oxidized compound of cobalt syncrystallized with at least one other element, wherein said hydroxide forms a first powder and wherein said compound forms a second powder distinct from said first powder, said powders being mixed mechanically within said paste.
    Type: Grant
    Filed: May 6, 1997
    Date of Patent: November 30, 1999
    Assignee: SAFT
    Inventors: Patrick Bernard, Fran.cedilla.oise Bertrand, Olivier Simonneau
  • Electrode with porous three-dimensional support
    Patent number: 5928810
    Abstract: Electrode including a paste containing particles of electrochemically active material and a conductive support consisting of a three-dimensional porous material comprising strands delimiting contiguous pores communicating via passages, characterized in that the average width L in .mu.m of said passages is related to the average diameter .O slashed. in .mu.m of said particles by the following equation, in which W and Y are dimensionless coefficients:(W.times..O slashed.)+X.gtoreq.L.gtoreq.(Y.times..O slashed.)+ZwhereinW=0.16Y=1.69X=202.4 .mu.m andZ=80 .mu.
    Type: Grant
    Filed: December 2, 1997
    Date of Patent: July 27, 1999
    Assignee: Saft
    Inventors: Patrick Bernard, Jean-Michel Dauchier, Olivier Simonneau