DataVXChemistry of MaterialsPaper
journal article·2017-11-28Open access

Tunable Low Density Palladium Nanowire Foams

Dustin A. Gilbert, Edward C. Burks, Sergey V. Ushakov, Patricia Abellan, Ilke Arslan, Thomas E. Felter, Alexandra Navrotsky, Kai Liu

Chemistry of Materials· Volume 29· Issue 22
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Abstract

Nanostructured palladium foams offer exciting potential for applications in diverse fields such as catalysts, fuel cells, and particularly hydrogen storage technologies. We have fabricated palladium nanowire foams using a cross-linking and freeze-drying technique. These foams have a tunable density down to 0.1% of the bulk, and a surface area-to-volume ratio of up to 1.54 × 10 6:1 m −1 . They exhibit highly attractive characteristics for hydrogen storage, in terms of loading capacity, rate of absorption, and heat of absorption. The hydrogen absorption/desorption process is hysteretic in nature, accompanied by substantial lattice expansion/contraction as the foam converts between Pd and PdH x .
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Research context

NanomaterialsCatalysis & surfaces

OpenAlex topics: Hydrogen Storage and Materials · Nanoporous metals and alloys · Electrocatalysts for Energy Conversion

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Physics, University of California, Davis, California 95616, United States

NIST Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States

Peter A. Rock Thermochemistry Laboratory and NEAT ORU, University of California, Davis, California 95616, United States

SuperSTEM Laboratory, SciTech Daresbury Campus, Daresbury, WA4 4AD, U.K.

Physical Sciences Division, Pacific Northwest National Laboratory, Richland, Washington 99352, United States

Energy Innovation Department 8366, Sandia National Laboratory, Livermore, California 94550, United States

Funding

Office of Science · Defense Threat Reduction Agency · Division of Materials Research · Tom and Ginny Cahill?s Fund for Environmental Physics

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