article·2007-01-01Open access

Nafion–Titanate Nanotube Composite Membranes for PEMFC Operating at High Temperature

Bruno R. Matos, Elisabete I. Santiago, Fábio C. Fonseca, Marcelo Linardi, Vladimir Lavayen, Rodrigo G. Lacerda, Luiz O. Ladeira, André S. Ferlauto

Abstract

Nafion–titanate nanotube composites were investigated as electrolytes for proton exchange membrane fuel cells (PEMFCs) operating at high temperature . With the addition of of nanotubes to the ionomer, PEMFC performance can be significantly sustained for up to . The polarization curves of PEMFCs using the composite electrolytes reflect a competing effect between an increase in water uptake due to the extremely large surface area of the nanotubes and a decrease in proton conductivity of the composites.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Fuel Cells and Related Materials · Electrocatalysts for Energy Conversion · Advancements in Solid Oxide Fuel Cells

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