期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 35, 期 1, 页码 210-216出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2009.10.042
关键词
Hydrogen storage; Carbon sphere; Nitrogen containing; Activation
资金
- Chinese National Science Foundation [U0734002]
- Shanghai Basic Science Key Program [09JC1415100]
- Shanghai Nanotechnology Promotion Center [0652nm025, 0852nm00500]
Novel hollow nitrogen-containing carbon spheres have been prepared by a simple CO2 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. (C) 2009 Professor T. Nejat Veziroglu. Published by Elsevier Ltd. All rights reserved.
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