The influence of metal- and N-species addition in mesoporous carbons on the hydrogen adsorption capacity

The influence of metal- and N-species addition in mesoporous carbons on the hydrogen adsorption capacity
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介孔碳中金属和N物种的添加对氢吸附能力的影响

DOI:
10.1016/j.matchemphys.2015.05.029
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发表时间:
2015-07
影响因子:
4.6
通讯作者:
A. Auroux
A. Auroux
中科院分区:
材料科学3区
文献类型:
--
作者:
J. Cai;S. Bennici;J. Shen;A. Auroux

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相似文献

采用低成本的材料制备了介孔碳(MC)和两种含氮介孔碳(N-MC和C3 N4-MC),并将其用于77 K和室温下的储氢。通过77 K下的N2吸附等温线证实了介孔结构,并通过ICP分析、TEM、XRD和XPS对介孔材料的体相和表面性质进行了表征。发现在N-MC(1.1wt%的氢)上在100巴和RT下以及在MC(3.07wt%的氢)上在40巴和77 K下的最大氢吸收。还将Pt、Pd和Ru贵金属添加到三种碳基载体中,以验证由于金属存在而存在的任何溢出效应的存在并评估对储氢容量的影响。
Mesoporous carbon (MC) and two types of N-containing mesoporous carbons (N-MC and C3N4-MC) were prepared from cost-effective materials and used for hydrogen storage both at 77 K and room temperature (RT). The mesoporous structure was confirmed by N2adsorption isotherm at 77 K, and the characterization of the bulk and surface properties performed by ICP analysis, TEM, XRD, and XPS. The maximum hydrogen uptakes were found on N-MC (1.1 wt% of hydrogen) at 100 bar and RT and on MC (3.07 wt% of hydrogen) at 40 bar and 77 K. Pt, Pd, and Ru noble-metal were also added to the three carbon based supports in order to verify the existence of any spillover effect due to the metals presence and evaluate the influence on hydrogen storage capacity.
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