THE NET ADSORPTION OF HYDROGEN ON PALLADIUM NANOPARTICLES

Debjyoti Sahu, Prashant Mishra, Nitun Das, Anil Verma and Sasidhar Gumma ()
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Debjyoti Sahu: Centre for Energy, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
Prashant Mishra: Department of Chemical Engineering, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
Nitun Das: Department of Chemical Engineering, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
Anil Verma: Centre for Energy, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India;
Sasidhar Gumma: Centre for Energy, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India;

Surface Review and Letters (SRL), 2014, vol. 21, issue 02, 1-6

Abstract: In this paper, we report the synthesis of polymer coated palladium(Pd)nanoparticles through a single stage reduction ofPd2+ions by ethylene glycol. Polyvinyl pyrrolidone (PVP, MW 25,000) is used as a stabilizer. Self-assembledPdnanoparticles (10–40 nm) were used in hydrogen adsorption studies. Gravimetric adsorption measurements were carried out in a pressure range of 0–26 bar at 293, 324, 364 and 392 K. Saturation for all isotherms was obtained within a few bars of pressure at all temperatures. Maximum hydrogen storage capacity observed was 0.58 wt.% at 324 K and 20 bar. Net adsorption calculations indicated that required tank volume (for storing a particular amount of hydrogen) can be significantly reduced by using a tank filled withPdnanoparticle.

Keywords: Hydrogen storage; hydrogen storage material; nanostructured materials (search for similar items in EconPapers)
Date: 2014
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DOI: 10.1142/S0218625X1450022X

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