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Journal of Applied Electrochemistry

, Volume 49, Issue 7, pp 681–691 | Cite as

Room temperature synthesis of PdxNi100−x nanoalloy: superior catalyst for electro-oxidation of methanol and ethanol

  • Debaleena Bhattacharjee
  • Sreya Roy Chowdhury
  • Swapan Kumar BhattacharyaEmail author
  • Subrata DasguptaEmail author
Research Article
  • 19 Downloads
Part of the following topical collections:
  1. Fuel cells

Abstract

Bimetallic Pd–Ni alloy nanoparticles with tunable dimensions, unique composition and excellent electrocatalytic activity towards methanol and ethanol oxidation reaction (MOR and EOR) in alkali, were successfully synthesized by co-reduction of metal precursors in strong alkali medium at room temperature. X-ray diffraction profiles typically signify alloy structure of the particles. Microscopy, diffraction and spectroscopy studies further conform the successful formation of Pd–Ni nanoalloy of determined diameter and morphology. The compositions of this alloy nanoparticles can be easily tuned by typically varying the Pd2+/Ni2+ molar ratio. The mol% of Ni present in the Pd–Ni bimetallic nanoalloy portrays a key role on the catalytic activity for MOR and EOR in alkali. Pd70Ni30/C catalyst exhibits the optimum synergic catalytic activity with improved oxidation of carbonaceous intermediates. Chronoamperometric study satisfactorily proves that Pd70Ni30/C is quite stable at ambient temperature and can be used as anode for MOR and EOR.

Graphical abstract

Keywords

Pd–Ni nanoparticle Ethanol oxidation reaction Methanol oxidation reaction Synergic catalytic activity 

Notes

Acknowledgements

The authors like to thank DST, Women Scientists Fellowship Scheme, Govt. of India (SR/WOS-A/CS-1037/2014) and Jadavpur University for financial support.

Compliance with ethical standards

Conflict of interest

There are no conflicts of interest to declare.

Supplementary material

10800_2019_1314_MOESM1_ESM.docx (2 mb)
Supplementary material 1 (DOCX 2034 kb)

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Copyright information

© Springer Nature B.V. 2019

Authors and Affiliations

  1. 1.Ceramic Membrane Division, CSIR-Central Glass and Ceramic Research InstituteJadavpur UniversityKolkataIndia
  2. 2.Physical Chemistry Section, Department of ChemistryJadavpur UniversityKolkataIndia

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