Enhancing hydrogen storage capacity using Fe-MWCNT and Co-MWCNT nanoelectrodes

Seifi Elmi, Shokufeh; Mohammadi, Leila; Malmir, Maryam; Javanmard, Faezeh; Varshoy, Shokufeh

doi:10.47176/ijpr.25.3.12001

Enhancing hydrogen storage capacity using Fe-MWCNT and Co-MWCNT nanoelectrodes

Document Type : Original Article

Authors

Shokufeh Seifi Elmi ¹

Leila Mohammadi ¹

Maryam Malmir ¹

Faezeh Javanmard ²

Shokufeh Varshoy ³

¹ Department of Physics, Lorestan University, Khorramabad 68151-44316, Iran;

² Department of Chemistry, Lorestan University, Khorramabad 68151-44316, Iran

³ University of Technology Sydney

https://doi.org/10.47176/ijpr.25.3.12001

Abstract

In response to the pressing global climate crisis, the quest for sustainable energy alternatives has intensified, with hydrogen emerging as a leading contender due to its clean and renewable nature. This study explores the enhancement of hydrogen storage capacity using novel nanoelectrodes, specifically Cu-Fe-MWCNT and Cu-Co-MWCNT, as negative electrodes. The synthesis of these nanoelectrodes was achieved through an electrodeposition process, and their structural and compositional properties were examined using X-ray diffraction (XRD), Energy-dispersive X-ray spectrum (EDX), and scanning electron microscopy (SEM). The hydrogen storage capabilities of these materials were assessed via chronopotentiometry. The findings reveal that the Fe/MWCNT nanocomposite electrode offers improved stability and efficiency in hydrogen storage compared to the Co/MWCNT electrode, suggesting its potential as a superior material for electrochemical hydrogen storage applications. This research contributes to the advancement of hydrogen storage technologies and supports the role of hydrogen in the sustainable energy ecosystem.

Keywords

Co/MWCNT and Fe/MWCNT nanoelectrodes

Nanostructures

Electrochemical

Hydrogen storage

Subjects

Nanomaterials

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