Please use this identifier to cite or link to this item: https://doi.org/10.1021/la0116903
Title: Preparation and characterization of platinum-based electrocatalysts on multiwalled carbon nanotubes for proton exchange membrane fuel cells
Authors: Liu, Z.
Lin, X.
Lee, J.Y. 
Zhang, W.
Han, M.
Gan, L.M.
Issue Date: 14-May-2002
Citation: Liu, Z., Lin, X., Lee, J.Y., Zhang, W., Han, M., Gan, L.M. (2002-05-14). Preparation and characterization of platinum-based electrocatalysts on multiwalled carbon nanotubes for proton exchange membrane fuel cells. Langmuir 18 (10) : 4054-4060. ScholarBank@NUS Repository. https://doi.org/10.1021/la0116903
Abstract: A higher yield of functionalized carbon nanotubes (CNTs) was obtained by treatment of CNTs in HNO3 or H2SO4-K2Cr2O7. The deposition of platinum nanoparticles and nanoclusters on these functionalized multiwalled carbon nanotubes by electroless plating was facilitated by a two-step sensitization-activation pretreatment. The deposition was sensitive to the aging time of the sensitizing solution and the pH of the plating solution. The resulting electrocatalysts were characterized by transmission electron microscopy, X-ray photoelectron spectroscopy (XPS), and cyclic voltammetry. XPS analysis showed that the Pt/CNT electrocatalysts contained 67.3% of Pt(0) and 32.7% of Pt(IV). Test runs on a single stack polymer electrolyte membrane fuel cell showed that these electrocatalysts are very promising for fuel cell applications.
Source Title: Langmuir
URI: http://scholarbank.nus.edu.sg/handle/10635/92269
ISSN: 07437463
DOI: 10.1021/la0116903
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