Hydrogen Production and Evolution Based on Nanocatalysts

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Energy and Catalysis".

Deadline for manuscript submissions: 30 May 2025 | Viewed by 628

Special Issue Editors


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Guest Editor
Istituto di Tecnologie Avanzate per l’Energia “Nicola Giordano” (CNR-ITAE), Via Salita S. Lucia sopra Contesse 5, 98126 Messina, Italy
Interests: photoelectrolysis
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Istituto di Tecnologie Avanzate per l’Energia “Nicola Giordano” (CNR-ITAE), Via Salita S. Lucia sopra Contesse 5, 98126 Messina, Italy
Interests: PEM electrolysis

Special Issue Information

Dear Colleagues,

The production of hydrogen as a clean, renewable, and efficient energy carrier is a critical area of research in the transition to sustainable energy systems. Nanocatalysts have emerged as promising materials to improve hydrogen production and evolution processes due to their unique physicochemical properties, including high surface area, tunable electronic structures, and enhanced reactivity at the nanoscale. This special issue aims to provide a platform for cutting-edge research on the design, synthesis, characterization, and application of nanocatalysts in hydrogen production and evolution reactions, including water splitting, thermochemical processes, and photoelectrocatalytic or electrocatalytic hydrogen generation. topics of interest include, but are not limited to, advancements in the development of novel nanomaterials such as metal oxides, sulfides, carbides, and hybrid materials, as well as their functionalization and optimization for enhanced catalytic performance. in addition, contributions that address challenges related to the durability, efficiency, and scalability of nanocatalysts in real-world applications are highly encouraged. this special issue seeks to gather original research articles, reviews, and perspectives that push the boundaries of current knowledge on nanocatalyst-based hydrogen production and offer insights into future directions for achieving higher hydrogen yields, lower energy input, and cost-effective solutions. By fostering collaboration among materials scientists, chemists, and engineers, this special issue will contribute to advancing the field and unlocking the potential of nanocatalysts in the global hydrogen economy.

Dr. Stefano Trocino
Dr. Fausta Giacobello
Guest Editors

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Keywords

  • nanocatalysts
  • nanomaterials
  • hydrogen
  • electrolysis
  • water splitting

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Published Papers (1 paper)

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Research

18 pages, 5981 KiB  
Article
Free-Standing Carbon Nanofiber Films with Supported Cobalt Phosphide Nanoparticles as Cathodes for Hydrogen Evolution Reaction in a Microbial Electrolysis Cell
by Gerard Pérez-Pi, Jorge Luque-Rueda, Pau Bosch-Jimenez, Eduard Borràs Camps and Sandra Martínez-Crespiera
Nanomaterials 2024, 14(22), 1849; https://doi.org/10.3390/nano14221849 - 19 Nov 2024
Viewed by 488
Abstract
High-performance and cost-efficient electrocatalysts and electrodes are needed to improve the hydrogen evolution reaction (HER) for the hydrogen (H2) generation in electrolysers, including microbial electrolysis cells (MECs). In this study, free-standing carbon nanofiber (CNF) films with supported cobalt phosphide nanoparticles have [...] Read more.
High-performance and cost-efficient electrocatalysts and electrodes are needed to improve the hydrogen evolution reaction (HER) for the hydrogen (H2) generation in electrolysers, including microbial electrolysis cells (MECs). In this study, free-standing carbon nanofiber (CNF) films with supported cobalt phosphide nanoparticles have been prepared by means of an up-scalable electrospinning process followed by a thermal treatment under controlled conditions. The produced cobalt phosphide-supported CNF films show to be nanoporous (pore volume up to 0.33 cm3 g−1) with a high surface area (up to 502 m2 g−1) and with a suitable catalyst mass loading (up to 0.49 mg cm−2). Values of overpotential less than 140 mV at 10 mA cm−2 have been reached for the HER in alkaline media (1 M KOH), which demonstrates a high activity. The high electrical conductivity together with the mechanical stability of the free-standing CNF films allowed their direct use as cathodes in a MEC reactor, resulting in an exceptionally low voltage operation (0.75 V) with a current density demand of 5.4 A m−2. This enabled the production of H2 with an energy consumption below 30 kWh kg−1 H2, which is highly efficient. Full article
(This article belongs to the Special Issue Hydrogen Production and Evolution Based on Nanocatalysts)
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