Published December 2018 | Version v1
Journal article Metadata-only

The Ionic Resistance of a Nanostructured Membrane Electrode Assembly under Nonequilibrium Conditions

Creators

  • 1. Russian Academy of Sciences, Ioffe Physical Technical Institute (Russian Federation)

Description

The ionic resistance of the membrane electrode assembly (MEA) of O2/H2 fuel cells is studied in situ in a broad range of MEA compositions by using electrochemical impedance spectroscopy and polarization measurements. The MEAs are composed of platinum on carbon, carbon nanotubes, and Nafion, a proton- conducting polymer. We investigate atypical growth of the MEA resistance with the increasing Nafion content and spatial nonuniformity in the MEA ionic resistivity. A mechanism underlying this phenomenon is proposed.

Additional details

Identifiers

DOI
10.1134/S1063785018120325;

Publishing Information

Journal Title
Technical Physics Letters
Journal Volume
44
Journal Issue
12
Journal Page Range
p. 1104-1107
ISSN
1063-7850

INIS

Country of Publication
United States
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
51091828
Subject category
S77: NANOSCIENCE AND NANOTECHNOLOGY;
Descriptors DEI
CARBON NANOTUBES; ELECTROCHEMISTRY; ELECTRODES; FUEL CELLS; HYDROGEN; MEMBRANES; OXYGEN; PLATINUM; POLARIZATION; POLYMERS; PROTONS; SPECTROSCOPY
Descriptors DEC
BARYONS; CARBON; CHEMISTRY; DIRECT ENERGY CONVERTERS; ELECTROCHEMICAL CELLS; ELEMENTARY PARTICLES; ELEMENTS; FERMIONS; HADRONS; METALS; NANOSTRUCTURES; NANOTUBES; NONMETALS; NUCLEONS; PLATINUM METALS; TRANSITION ELEMENTS

Optional Information

Copyright
Copyright (c) 2018 Pleiades Publishing, Ltd.