Hydrogen storage behaviors of ni-doped graphene oxide/MIL-101 hybrid composites

Seul Yi Lee; Soo Jin Park

doi:10.1166/jnn.2013.6930

Hydrogen storage behaviors of ni-doped graphene oxide/MIL-101 hybrid composites

Seul Yi Lee, Soo Jin Park

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21 Scopus citations

Abstract

In this work, Ni-doped graphene oxide/MIL-101 hybrid composites (Ni-GO/MIL) were prepared to investigate their hydrogen storage behaviors. Ni-GO/MIL was synthesized by adding Ni-GO in situ during the synthesis of MIL-101 using a hydrothermal process, which was conducted by conventional convection heating with Cr(III) ion as a metal center and telephthalic acid as organic ligands. The crystalline structures and morphologies were measured by X-ray diffraction (XRD) and scanning electron microscopy (SEM), respectively. The specific surface area and micropore volume were investigated by N₂/77 K adsorption isotherms using the Brunauer-Emmett-Teller (BET) method and Dubinin-Radushkevic (D-R) equation, respectively. The hydrogen storage capacity was investigated by BEL-HP at 77 K and 1 bar. The obtained results show that Ni-GO/MIL presents new directions for achieving novel hybrid materials with higher hydrogen storage capacity.

Original language	English
Pages (from-to)	443-447
Number of pages	5
Journal	Journal of Nanoscience and Nanotechnology
Volume	13
Issue number	1
DOIs	https://doi.org/10.1166/jnn.2013.6930
State	Published - Jan 2013
Externally published	Yes

Keywords

Hydrogen storage behaviors
MIL-101
Ni-doped graphene oxide
Spill-over

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title = "Hydrogen storage behaviors of ni-doped graphene oxide/MIL-101 hybrid composites",

abstract = "In this work, Ni-doped graphene oxide/MIL-101 hybrid composites (Ni-GO/MIL) were prepared to investigate their hydrogen storage behaviors. Ni-GO/MIL was synthesized by adding Ni-GO in situ during the synthesis of MIL-101 using a hydrothermal process, which was conducted by conventional convection heating with Cr(III) ion as a metal center and telephthalic acid as organic ligands. The crystalline structures and morphologies were measured by X-ray diffraction (XRD) and scanning electron microscopy (SEM), respectively. The specific surface area and micropore volume were investigated by N2/77 K adsorption isotherms using the Brunauer-Emmett-Teller (BET) method and Dubinin-Radushkevic (D-R) equation, respectively. The hydrogen storage capacity was investigated by BEL-HP at 77 K and 1 bar. The obtained results show that Ni-GO/MIL presents new directions for achieving novel hybrid materials with higher hydrogen storage capacity.",

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year = "2013",

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doi = "10.1166/jnn.2013.6930",

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AU - Lee, Seul Yi

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AB - In this work, Ni-doped graphene oxide/MIL-101 hybrid composites (Ni-GO/MIL) were prepared to investigate their hydrogen storage behaviors. Ni-GO/MIL was synthesized by adding Ni-GO in situ during the synthesis of MIL-101 using a hydrothermal process, which was conducted by conventional convection heating with Cr(III) ion as a metal center and telephthalic acid as organic ligands. The crystalline structures and morphologies were measured by X-ray diffraction (XRD) and scanning electron microscopy (SEM), respectively. The specific surface area and micropore volume were investigated by N2/77 K adsorption isotherms using the Brunauer-Emmett-Teller (BET) method and Dubinin-Radushkevic (D-R) equation, respectively. The hydrogen storage capacity was investigated by BEL-HP at 77 K and 1 bar. The obtained results show that Ni-GO/MIL presents new directions for achieving novel hybrid materials with higher hydrogen storage capacity.

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Hydrogen storage behaviors of ni-doped graphene oxide/MIL-101 hybrid composites

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Keywords

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