Nanotextured metal copper substrates as powerful and long-lasting fuel cell anodes

Boris Filanovsky, Eran Granot, Rawi Dirawi, Igor Presman, Iliya Kuras, Fernando Patolsky

Research output: Contribution to journalArticlepeer-review


Fuel cells (FCs) are promising electrochemical devices that convert chemical energy of fuels directly into electrical energy. We present a new anode material based on nanotextured metal copper for fuel cell applications. We have demonstrated that low-cost copper catalyst anodes act as highly efficient and ultra-long-lasting materials for the direct electro-oxidation of ammonia-borane and additional amine derivatives. High power densities of ca. 1W· cm -2 (ca. -1 V vs Ag/AgCl at 1 A) are readily achieved at room temperature. We fabricate fuel cell devices based on our nanotextured Cu anodes in combination with commercial air cathodes.

Original languageEnglish
Pages (from-to)1727-1732
Number of pages6
JournalNano Letters
Issue number4
StatePublished - 13 Apr 2011


  • Fuel cell
  • copper
  • electrochemistry
  • energy
  • metal catalyst
  • nanoparticle


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