Nanofiber electrode and method of forming same

Publication: ResearchPatent – Annual report year: 2012

Without internal affiliation

Documents

  • Inventor: Pintauro, Peter N.

    Vanderbilt University, United States

  • Inventor: Zhang, Wenjing (Angela)

    Technical University of Denmark

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In one aspect, a method of forming an electrode for an electrochemical device is disclosed. In one embodiment, the method includes the steps of mixing at least a first amount of a catalyst and a second amount of an ionomer or uncharged polymer to form a solution and delivering the solution into a metallic needle having a needle tip. The method further includes the steps of applying a voltage between the needle tip and a collector substrate positioned at a distance from the needle tip, and extruding the solution from the needle tip at a flow rate such as to generate electrospun fibers and deposit the generated fibers on the collector substrate to form a mat with a porous network of fibers. Each fiber in the porous network of the mat has distributed particles of the catalyst. The method also includes the step of pressing the mat onto a membrane.
Original languageEnglish
Publication date3 May 2012
Patent numberWO2012/058425
CountryDenmark
StatePublished
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