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Materials innovations in an emerging hydrogen economy: a by G. Wicks, Jack Simon

By G. Wicks, Jack Simon

This quantity comprises papers offered on the fabrics ideas in an rising Hydrogen economic system convention in Februrary 2008 in Cocoa seashore, Florida. It presents an invaluable one-stop source for knowing crucial concerns within the examine and functions of fabrics suggestions. The textual content good points logically geared up and thoroughly chosen articles, geared up into: foreign Overviews; Hydrogen garage; Hydrogen creation; Hydrogen supply; and Leakage Detection/Safety. This includes a necessary source for business and educational chemists and engineers.

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Additional resources for Materials innovations in an emerging hydrogen economy: a collection of papers presented at the Materials Innovations in an Emerging Hydrogen Economy Conference, February 24-27, 2008, Cocoa Beach, Florida

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University of Alabama. and University of California-Davis. Status of Hydrogen Storage The current status of hydrogen storage in temis of gravimetric storage capacity and necessary hydrogen release temperature range is shown in Figure 5. Figure 5: Current status of hydrogen storage in materials. In Figure 5. it is important to remember that only the material capacities are shown. Hydrogen storage systems will have lower capacities than the materials, due to the weights of system-related components.

At this point, it is important to consider the automobile industry, which is the world’s biggest commercial client for gasoline (the current, most common energy storage system). Among new technologies currently available, the hydrogen fuel cell seems to be the most promising. It consists of a battery that consumes hydrogen to produce electricity, and produces water as exhaust. Most car manufacturers have directed their R&D resources into developing electrical vehicles based on this technology. Although Fuel Cell cars are more efficient than hydrogen combustion vehicles, they have two important disadvantages: First, the average autonomous range of this type of vehicle is inferior to that of one powered by gasoline due to hydrogen storage limitations; Second, they can’t be bivalent (meaning they can work only with hydrogen).

Of Pittsburgh, Univ. of Utah, and NIST. The nano-confinement of hydrides in framework materials such as carbon aerogels is being studied as a means to improve the kinetics, hydrogen capacity, and cycleability of the hydrides. g. a 60-fold increase in desorption kinetics for LiBH4). Participants in this work are HRL, Lawrence Livermore National Laboratory (LLNL), UTRC and SNL. Challenges are to maintain high gravimetric and volumetric capacities for the confined materials, and to obtain high hydride loading into the confining framework, while maintaining its structural integrity.

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