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High Hydrogen Storage Capacity of Porous Carbons Prepared by Using Activated Carbon

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Abstract:
A kind of activated carbon with further carbon dioxide and potassium hydroxide activations for
hydrogen storage was investigated. The carbon dioxide and potassium hydroxide activations have apparently
different effects on the pore structures and textures of the activated carbon which closely associated with
the hydrogen storage properties. The potassium hydroxide activation can remarkably donate microporosity
to the frameworks of the activated carbon. One of the resultant porous carbons exhibited a high surface
area of up to 3190 m2 g-1 and large gravimetric hydrogen uptake capacity of 7.08 wt % at 77 K and 20 bar,
which is one of the largest data reported for the porous carbon materials. This result suggests that the
porous carbon with large amounts of active sites, high surface area, and high micropore volume related to
optimum pore size could achieve high gravimetric hydrogen storage.

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Ketersediaan

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Informasi Detail

Judul Seri

J. AM. CHEM. SOC.

No. Panggil

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Penerbit

: American Chemical Society., 2009

Deskripsi Fisik

J. AM. CHEM. SOC. 2009, 131, 7016–7022

Bahasa

English

ISBN/ISSN

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Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

KIMIA

Info Detail Spesifik

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Pernyataan Tanggungjawab

agus

Versi lain/terkait

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