Preparation of Graphene/Pd Nanoparticle Composites and their Hydrogen Storage

Zhong Liang Hu; Yi Feng Chen; Na Li; Wei Zhang; Han Chen; Wen Qiang Gong

doi:10.4028/www.scientific.net/AMR.772.349

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 772Preparation of Graphene/Pd Nanoparticle Composites...

Preparation of Graphene/Pd Nanoparticle Composites and their Hydrogen Storage

Abstract:

Pd (en)₂Cl₂ can be intercalated into graphite oxide layers with high efficiency. The Pd (en)₂²⁺ intercalated graphite oxide was firstly synthesized by mixture reaction of Pd (en)₂Cl₂ and graphite oxide, then it was reduced in solution with NaBH₄ and thereafter the graphene/Pd nanosized particle composites were obtained. The graphene composites were characterized by XRD, FE-SEM, TEM, ICP and N₂ adsorption tests and their H₂ storage was also measured. The results show that the composites contain a large amount of Pd and have a regular mesoporous structure, and Pd particles with a diameter of 2-6 nm are evenly dispersed between graphene sheets and pillar the graphene sheets. The BET surface area of the composites is 230 m²/g and their H₂ storage reaches 3.4 wt.% at 77K and 0.11 MPa.

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Periodical:

Advanced Materials Research (Volume 772)

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349-354

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https://doi.org/10.4028/www.scientific.net/AMR.772.349

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Online since:

September 2013

Authors:

Zhong Liang Hu, Yi Feng Chen, Na Li, Wei Zhang, Han Chen, Wen Qiang Gong

Keywords:

Graphene (GR), Hydrogen Storage, Palladium

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