Published October 28, 2006 | Version v1
Journal article Metadata-only

Polyaniline nanofibre supported platinum nanoelectrocatalysts for direct methanol fuel cells

Creators

  • 1. Department of Chemical and Environmental Engineering, and College of Engineering-Center for Environmental Research and Technology (CE-CERT), University of California-Riverside, Riverside, CA 92521 (United States)

Description

A novel polyaniline nanofibre supported platinum (Pt) nanoelectrocatalyst is developed for direct methanol fuel cells (DMFCs). Polyaniline nanofibres (PaniNFs) with a 60 nm diameter are synthesized by a scalable interfacial polymerization without the use of a template or functional dopant. PaniNF supported Pt electrocatalyst (Pt/PaniNFs) and carbon black supported Pt electrocatalyst (Pt/C) are prepared by an ethylene glycol (EG) reduction method. The Pt nanoparticles deposited onto PaniNFs have a smaller diameter (1.8 versus 2.3 nm by XRD) and narrower particle size distribution (1.5-3 nm versus 1-5 nm by TEM) than the Pt nanoparticles deposited onto carbon black. The Pt/PaniNFs catalyst shows a higher electrochemical active surface area (ECSA) and higher methanol oxidation reaction (MOR) catalytic activity than the Pt/C

Availability note (English)

Available online at http://stacks.iop.org/0957-4484/17/5254/nano6_20_035.pdf or at the Web site for the journal Nanotechnology (Print) (ISSN 1361-6528 ) http://www.iop.org/

Additional details

Identifiers

URL
http://stacks.iop.org/0957-4484/17/5254/nano6_20_035.pdf; http://www.iop.org/;
DOI
10.1088/0957-4484/17/20/035;
PII
S0957-4484(06)25266-8;

Publishing Information

Journal Title
Nanotechnology (Print)
Journal Volume
17
Journal Issue
20
Journal Page Range
p. 5254-5259
ISSN
0957-4484

INIS

Country of Publication
United Kingdom
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
38010759
Subject category
S36: MATERIALS SCIENCE;
Descriptors DEI
CARBON BLACK; DIRECT METHANOL FUEL CELLS; GLYCOLS; METHANOL; NANOSTRUCTURES; OXIDATION; PARTICLE SIZE; PARTICLES; PLATINUM; POLYMERIZATION; REDUCTION; SURFACE AREA; TRANSMISSION ELECTRON MICROSCOPY; X-RAY DIFFRACTION
Descriptors DEC
ALCOHOL FUEL CELLS; ALCOHOLS; CARBON; CHEMICAL REACTIONS; COHERENT SCATTERING; DIFFRACTION; DIRECT ENERGY CONVERTERS; ELECTROCHEMICAL CELLS; ELECTRON MICROSCOPY; ELEMENTS; FUEL CELLS; HYDROXY COMPOUNDS; METALS; MICROSCOPY; NONMETALS; ORGANIC COMPOUNDS; PLATINUM METALS; SCATTERING; SIZE; SURFACE PROPERTIES; TRANSITION ELEMENTS