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The Net Adsorption Of Hydrogen On Palladium Nanoparticles

Author

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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;
    Department of Chemical Engineering, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India)

  • SASIDHAR GUMMA

    (Centre for Energy, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India;
    Department of Chemical Engineering, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India)

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.

Suggested Citation

  • Debjyoti Sahu & Prashant Mishra & Nitun Das & Anil Verma & Sasidhar Gumma, 2014. "The Net Adsorption Of Hydrogen On Palladium Nanoparticles," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 21(02), pages 1-6.
    • Handle: RePEc:wsi:srlxxx:v:21:y:2014:i:02:n:s0218625x1450022x
    DOI: 10.1142/S0218625X1450022X
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