Metal decorated monolayer BC2N for hydrogen storage
Metal decorated monolayer BC2N for hydrogen storage
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用于储氢的金属装饰单层BC2N
DOI:
10.1016/j.commatsci.2012.03.028
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发表时间:
2012-07
影响因子:
3.3
通讯作者:
Jia, Yu
中科院分区:
文献类型:
--
作者:
Wang, Yu Sheng;Yuan, Peng Fei;Li, Meng;Jiang, Wei Fen;Sun, Qiang;Jia, Yu
Using first-principles density functional calculations, we show that metal decorated monolayer BC2N can serve as a high-capacity hydrogen storage medium with the gravimetric density of 7.69–10.0wt.%. In particular, Li and Ca decorated BC2N are systematically investigated and found to be feasible for hydrogen storage without metal clustering owing to the Coulomb repulsion between the metal adatoms. Both the polarization mechanism and the orbital hybridizations contribute to the adsorption of H2molecules and the average adsorption energies are 0.24 and 0.26eV/H2, respectively.
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