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Electrochemical hydrogen storage of aligned multi-walled carbon nanotubes

机译:取向多壁碳纳米管的电化学储氢

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Hydrogen storage of aligned multi-walled carbon nanotubes (a-MWNTs), non-aligned MWNTs (n-MWNTs) and graphite electrodes are studied by the electrochemical measurements. The electrodes are prepared by mixing carbon nanotubes (CNTs), copper powder and PTFE binder in a weight ratio of 1:5:3 and compressing the mixture into porous nickel collector. The results show that the electrochemical hydrogen storage capacity of the a-MWNT electrode is up to 1625 mAh/g, corresponding to a high hydrogen storage of 5.7 wt%, which is 10 times that of graphite electrode and is 13 times that of n-MWNT electrode, suggesting that a-MWNTs are promising materials for electrochemical hydrogen storage.
机译:通过电化学测量研究了取向多壁碳纳米管(a-MWNTs),不取向MWNTs(n-MWNTs)和石墨电极的储氢性能。通过将碳纳米管(CNT),铜粉和PTFE粘合剂以1:5:3的重量比混合并将混合物压制成多孔镍集电器来制备电极。结果表明,a-MWNT电极的电化学储氢容量高达1625 mAh / g,对应于5.7 wt%的高储氢量,是石墨电极的10倍,是n-的13倍。 MWNT电极,表明α-MWNTs是用于电化学氢存储的有前途的材料。

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