Paper Title:
Metal Hydride-Based Composite Materials with Improved Thermal Conductivity and Dimensional Stability Properties
  Abstract

To address the issues of poor thermal conductivity and fragmentation of metal hydride particles undergoing hydriding/dehydriding reactions, a metal hydride-based composite material was developed. The active metal phase was embedded in a silica matrix and a graphite filler was incorporated by ball milling. A set of compact pellet samples at different composition were prepared and tested. Experimental data obtained from the thermal conductivity measurements shown that using powder graphite produced a quite linear increase in the thermal conductivity of the metal hydride – silica composite. Ongoing studies include composition optimization as well as long-term testing upon cycling of such metal hydride composites to evaluate their potentiality in technological hydrogen storage applications.

  Info
Periodical
Edited by
Pietro VINCENZINI, Cynthia POWELL, Marco VITTORI ANTISARI, Vincenzo ANTONUCCI and Fausto CROCE
Pages
170-175
DOI
10.4028/www.scientific.net/AST.72.170
Citation
M. Pentimalli, A. Frazzica, A. Freni, E. Imperi, F. Padella, "Metal Hydride-Based Composite Materials with Improved Thermal Conductivity and Dimensional Stability Properties", Advances in Science and Technology, Vol. 72, pp. 170-175, 2010
Online since
October 2010
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$32.00
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