PtxCo1-x alloy NPs prepared by colloidal tool-box synthesis: The effect of de-alloying on the oxygen reduction reaction activity

International Journal of Hydrogen Energy

Volumn 39, Issue 17, 2014, Pages 9143-9148

  Spanos, Ioannis ^a   Rellán, César Pelegrín ^a,b   Altmann, Lena ^c   Bäumer, Marcus ^c   Arenz, Matthias ^a  

^a UNIVERSITY OF COPENHAGEN   (Denmark)

^b UNIVERSITY OF BARCELONA   (Spain)

^c UNIVERSITY OF BREMEN   (Germany)

Author keywords

Alloy nanoparticles; De alloying; Fuel cell catalysts

Indexed keywords

ALLOYING; BINARY ALLOYS; CATALYSTS; COBALT; DEALLOYING; ELECTROLYTIC REDUCTION; NANOPARTICLES; OXYGEN; OXYGEN REDUCTION REACTION;

ACID ENVIRONMENT; ALLOY NANOPARTICLE; COLLOIDAL SYNTHESIS; EFFECT OF CHEMICALS; FUEL CELL CATALYSTS; INITIAL COMPOSITION; ORR ACTIVITIES; OXYGEN REDUCTION;

PLATINUM ALLOYS;

EID: 84901241823     PISSN: 03603199     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ijhydene.2014.03.199     Document Type: Article

References (18)

1. 3Co Alloy nanoparticles for alkaline and acidic PEM fuel cells J Electrochem Soc 159 4 2012 B394 B405
2. 3Cu Alloy nanoparticle electrocatalysts for oxygen reduction reaction in alkaline and acidic media J Electrochem Soc 159 4 2012 B444 B454
3. T. Toda, H. Igarashi, H. Uchida, and M. Watanabe Enhancement of the electroreduction of oxygen on Pt alloys with Fe, Ni, and Co J Electrochem Soc 146 10 1999 3750 3756
4. I.E.L. Stephens, A.S. Bondarenko, U. Gronbjerg, J. Rossmeisl, and I. Chorkendorff Understanding the electrocatalysis of oxygen reduction on platinum and its alloys Energy Environ Sci 5 5 2012 6744 6762
5. D. Thompsett Pt alloys as oxygen reduction catalysts W. Vielstich, H. Gasteiger, A. Lamm, Handbook of fuel cells - fundamentals, technology and application vol. 3 2003 Wiley Chichester, UK 467
6. S. Guo, D. Li, H. Zhu, S. Zhang, N.M. Markovic, and V.R. Stamenkovic et al. FePt and CoPt nanowires as efficient catalysts for the oxygen reduction reaction Angew Chem Int Ed 52 12 2013 3465 3468
7. 1-x alloys induced by a combined strain and ligand effect J Power Sources 245 0 2014 908 914
8. J. Speder, L. Altmann, M. Roefzaad, M. Bäumer, J.J.K. Kirkensgaard, and K. Mortensen et al. Pt based PEMFC catalysts prepared from colloidal particle suspensions-a toolbox for model studies Phys Chem Chem Phys 15 10 2013 3602 3608
9. Y. Wang, J. Ren, K. Deng, L. Gui, and Y. Tang Preparation of tractable platinum, rhodium, and ruthenium nanoclusters with small particle size in organic media Chem Mater 12 6 2000 1622 1627
10. K.J.J. Mayrhofer, G.K.H. Wiberg, and M. Arenz Impact of glass corrosion on the electrocatalysis on pt electrodes in alkaline electrolyte J Electrochem Soc 155 1 2008 P1 P5
11. K.J.J. Mayrhofer, S.J. Ashton, J. Kreuzer, and M. Arenz An electrochemical cell configuration incorporating an ion conducting membrane separator between reference and working electrode Int J Electrochem Sci 4 1 2009 1 8
12. N.M. Marković, H.A. Gasteiger, B.N. Grgur, and P.N. Ross Oxygen reduction reaction on Pt(111): effects of bromide J Electroanal Chem 467 1-2 1999 157 163
13. T.J. Schmidt, U.A. Paulus, H.A. Gasteiger, and R.J. Behm The oxygen reduction reaction on a Pt/carbon fuel cell catalyst in the presence of chloride anions J Electroanal Chem 508 1-2 2001 41 47
14. J. Greeley, I.E.L. Stephens, A.S. Bondarenko, T.P. Johansson, H.A. Hansen, and T.F. Jaramillo et al. Alloys of platinum and early transition metals as oxygen reduction electrocatalysts Nat Chem 1 7 2009 552 556
15. R. Srivastava, P. Mani, N. Hahn, and P. Strasser Efficient oxygen reduction fuel cell electrocatalysis on voltammetrically dealloyed Pt-Cu-Co nanoparticles Angew Chem Int Ed 46 47 2007 8988 8991
16. x/C electrocatalysts for oxygen reduction Int J Hydrogen Energy 36 19 2011 12088 12095
17. J. Speder, L. Altmann, M. Baeumer, J.J.K. Kirkensgaard, K. Mortensen, and M. Arenz The particle proximity effect: from model to high surface area fuel cell catalysts RSC Adv 4 29 2014 14971 14978
18. xCo (X = 1, 2, and 3) alloy catalysts prepared by the nanocapsule method J Phys Chem C 112 22 2008 8372 8380