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Series in
MICROSYSTEMS
edited by P. A. Besse, J. Brugger,
M. Gijs, R. S. Popovic, Ph.
Renaud
Vol. 27:
Thomas Kiefer
Hydrogen
Sensors based on
Palladium Micro- and Nanostructures
1st Edition 2010, XVI, 180 p. € 64,00.
ISBN 978-3-86628-327-5
Hydrogen (H2) has raised considerable interest as a future
energy carrier in its application to fuel cell driven vehicles, as it is
absolutely free of polluting emissions. However, it is flammable in air and
difficult to contain, for which reason innovative sensors for leak detection
are required. To this end, this book explores novel concepts of hydrogen
sensors, based on micro- and nanostructured palladium (Pd), aiming both for industrially compatible manufacturing
processes as well as a deeper insight into physical processes that are involved
in the sensing mechanism, such as percolation.
The rapidly growing fuel cell market drives the development of hydrogen
sensors to lower costs and lower power consumption while maintaining the high
performances that are required by e.g. the automotive industry. Nanogaps in palladium offer an interesting approach for
hydrogen detection and promise to fulfill many of those needs. Yet many
challenges still have to be faced on both a theoretical/conceptional
and a technological side as well as for potential manufacturing routes on a
large scale. This book aims to address those aspects and provides ideas,
solutions and stimulation for further research in this highly relevant domain.
About the author
Thomas Kiefer was born in Freiburg i. Brsg.,
Germany, in 1979. He studied microsystems engineering at the Albert-Ludwigs-Universität Freiburg,
Department of Microsystems Engineering (IMTEK), from 2000 to 2005. His diploma
thesis was about the design and fabrication of highly efficient fluidic micromixers and was carried out at the Chair for Design of
Microsystems. In 2005 it was awarded the best diploma thesis by the Association
of German Engineers (VDI). After working on a study on potentials of
Microsystems for space applications in collaboration with the German Space
Agency (DLR) he joined the Microsystems Laboratory LMIS1 at the École Polytechnique Fédérale de Lausanne (EPFL), Switzerland, in 2005. There he
received his PhD degree for the development of novel hydrogen sensor concepts
based on micro- and nanotechnologies in 2009.
Keywords: Hydrogen sensors, Palladium, leak
detection, percolation, fuel cell, nanogaps, hydrogen
detection, microstructure, nanostructure
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