Enhanced room temperature hydrogen storage capacity of hollow nitrogen-containing carbon spheres

Novel hollow nitrogen-containing carbon spheres have been prepared by a simple CO 2 activation method at 1223 K using the precursor of ordered mesoporous carbon nitrides which were replicated from SBA-15 template. Rich narrow-distributed micropores have been found in the sphere shell. The structural...

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Bibliographic Details
Published inInternational journal of hydrogen energy Vol. 35; no. 1; pp. 210 - 216
Main Authors Jiang, Jinhua, Gao, Qiuming, Zheng, Zhoujun, Xia, Kaisheng, Hu, Juan
Format Journal Article
LanguageEnglish
Published Kidlington Elsevier Ltd 2010
Elsevier
Subjects
Activation
Alternative fuels. Production and utilization
Applied sciences
Carbon
Carbon dioxide
Carbon sphere
Curvature
Energy
Exact sciences and technology
Fuels
Hydrogen
Hydrogen storage
Mathematical analysis
Nitrogen containing
Shells
Transformations
Transportation
Hydrogen storage
Activation
Carbon sphere
Nitrogen containing
Storage capacity
Carbon dioxide
Carbon nanotubes
Performance
Room temperature
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Summary:Novel hollow nitrogen-containing carbon spheres have been prepared by a simple CO 2 activation method at 1223 K using the precursor of ordered mesoporous carbon nitrides which were replicated from SBA-15 template. Rich narrow-distributed micropores have been found in the sphere shell. The structural transformation from solid to hollow sphere is correlated with the surface curvature stress and mass transportation. This material exhibits a high hydrogen storage capacity of 2.21 wt.% at room-temperature under 8 MPa.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0360-3199
1879-3487
DOI:10.1016/j.ijhydene.2009.10.042