Cu-Co-Ni alloys: An efficient and durable electrocatalyst in acidic media

Soumen Saha, Kandalam Ramanujachary, Samuel Lofland, Ashok K. Ganguli

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

Wehave developed efficient nanostructures of Cu-Co-Ni alloy with varied stoichiometry as an alternative to the costly Pt-based alloys for hydrogen evolution reaction (HER). These nanoparticles were synthesized using the reverse micellar method. The size of the alloy nanoparticles varied from 40 to 70 nm. An enhanced catalytic activity as evident from high current density was observed for these Cu-Co-Ni (111) alloys which follows the Volmer-Heyrovsky mechanism. They have excellent stability (up to 500 cycles) and significant activity in acid media which might be due to the low hydrogen binding energy.

Original languageEnglish (US)
Article number016501
JournalMaterials Research Express
Volume3
Issue number1
DOIs
StatePublished - Jan 1 2016

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Surfaces, Coatings and Films
  • Polymers and Plastics
  • Metals and Alloys

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