NDLI: Graphene and Carbon Nanotubes Fibrous Composite Decorated with PdMg Alloy Nanoparticles with Enhanced Absorption–Desorption Kinetics for Hydrogen Storage Application

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Graphene and Carbon Nanotubes Fibrous Composite Decorated with PdMg Alloy Nanoparticles with Enhanced Absorption–Desorption Kinetics for Hydrogen Storage Application

Content Provider	MDPI
Author	Arkook, Bassim Alshahrie, Ahmed Salah, Numan Aslam, Mohammad Aissan, Saeed Al-Ojeery, Ashwaq Al-Ghamdi, Ahmed Inoue, Akihisa Shalaan, El-Sayed
Copyright Year	2021
Description	We describe a graphene and fibrous multiwall carbon nanotubes (f-MWCNT) composite film prepared by plasma-enhanced chemical vapor deposition for use as a suitable and possible candidate of hydrogen storage materials. A high storage capacity of 5.53 wt% has been obtained with improved kinetics. The addition of binary PdMg alloy nanoparticles to the surface of graphene-fibrous nanotubes composite films raised the storage capacity by 53% compared to the film without PdMg decorated nanoparticles. Additionally, the graphene/f-MWCNT composite film decorated with PdMg nanoparticles exhibited an enhanced hydrogen absorption–desorption kinetics. The fibrous structure of the MWCNTs, alongside graphene sheets within the film, creates an enormous active region site for hydrogen reaction. The addition of PdMg nanoparticles enhanced the reaction kinetics due to the catalytic nature of Pd, and increased the hydrogen content due to the high absorption capacity of Mg nanoparticles. The combination of Pd and Mg in a binary alloy nanoparticle enhanced the hydrogen capacity and absorption–desorption kinetics.
Starting Page	2957
e-ISSN	20794991
DOI	10.3390/nano11112957
Journal	Nanomaterials
Issue Number	11
Volume Number	11
Language	English
Publisher	MDPI
Publisher Date	2021-11-04
Access Restriction	Open
Subject Keyword	Nanomaterials Hydrogen Storage Carbon Nanotubes Thin Films
Content Type	Text
Resource Type	Article

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