Special Issue "Metal-based Heterogeneous Catalysts for Hydrogen Generation/Production"

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Catalytic Materials".

Deadline for manuscript submissions: 31 January 2022.

Special Issue Editor

Prof. Dr. Umit Bilge Demirci
E-Mail Website
Guest Editor
Department of Chemistry, University of Montpellier, Montpellier, France
Interests: chemical hydrogen storage (solid- and liquid-state); boranes (ammonia- and hydrazine-) and alkali/alkaline-earth derivatives; amine-borane adducts; BNH materials; boron chemistry; sodium borohydride as liquid-state hydrogen carrier or as liquid fuel of DLFC; borates and BNH polymers as dehydrogenation residues

Special Issue Information

Dear Colleagues,

Catalysis has always played a major role in the field of energy.

In the 20th century, it provided the petroleum industry with great opportunities to develop fuels, chemicals, and polymers. In the 21st century, it is critically important for the development of new, sustainable, and renewable energy sources and carriers. Tomorrow—we hope in the very near future—it will be the key to successfully substituting most fossil fuels.

Today, and for tomorrow, many efforts are dedicated to make hydrogen H2 one of the most important sustainable energy carriers, and the realization of the so-called “hydrogen economy” is ongoing. However, there are still many impediments to the widespread development of such an economy. One of the large problems is that H2 has to be produced. It has to be generated from a hydrogenated source through a chemical process, and catalysis, especially metal-based heterogeneous catalysis, is greatly important, even central, to the process.

The present Special Issue is focused on the central role of metal-based heterogeneous catalysis and photocatalysis in the production/generation of H2 from a wide variety of sources. A typical example is water, its splitting being favored in the presence of a metal-based photocatalyst. Other examples of hydrogen sources are shown in the scheme below.

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It is our pleasure to invite you to submit a manuscript for this Special Issue. Full papers, communications, and reviews about metal-based heterogeneous catalysts and photocatalysts that are under consideration for the production of H2 from the sources listed above, as well as from other ones.

Prof. Dr. Umit B. Demirci
Guest Editor

Manuscript Submission Information

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Keywords

  • energy
  • heterogeneous catalysis
  • hydrogen generation
  • hydrogen production
  • metal catalysis
  • photocatalysis

Published Papers (2 papers)

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Research

Article
Fe(III) Ions-Assisted Aniline Polymerization Strategy to Nitrogen-Doped Carbon-Supported Bimetallic CoFeP Nanospheres as Efficient Bifunctional Electrocatalysts toward Overall Water Splitting
Materials 2021, 14(6), 1473; https://doi.org/10.3390/ma14061473 - 17 Mar 2021
Cited by 1 | Viewed by 651
Abstract
It remains an urgent demand and challenging task to design and fabricate efficient, stable, and inexpensive catalysts toward sustainable electrochemical water splitting for hydrogen production. Herein, we explored the use of Fe(III) ion-assisted aniline polymerization strategy to embed bimetallic CoFeP nanospheres into the [...] Read more.
It remains an urgent demand and challenging task to design and fabricate efficient, stable, and inexpensive catalysts toward sustainable electrochemical water splitting for hydrogen production. Herein, we explored the use of Fe(III) ion-assisted aniline polymerization strategy to embed bimetallic CoFeP nanospheres into the nitrogen-doped porous carbon framework (referred CoFeP-NC). The as-prepared CoFeP-NC possesses excellent hydrogen evolution reaction (HER) performance with the small overpotential (η10) of 81 mV and 173 mV generated at a current density of 10 mA cm−2 in acidic and alkaline media, respectively. Additionally, it can also efficiently catalyze water oxidation (OER), which shows an ideal overpotential (η10) of 283 mV in alkaline electrolyte (pH = 14). The remarkable catalytic property of CoFeP-NC mainly stems from the strong synergetic effects of CoFeP nanospheres and carbon network. On the one hand, the interaction between the two can make better contact between the electrolyte and the catalyst, thereby providing a large number of available active sites. On the other hand, it can also form a network to offer better durability and electrical conductivity (8.64 × 10−1 S cm−1). This work demonstrates an efficient method to fabricate non-noble electrocatalyst towards overall water splitting, with great application prospect. Full article
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Article
Insertion of Platinum Nanoparticles into MoS2 Nanoflakes for Enhanced Hydrogen Evolution Reaction
Materials 2018, 11(9), 1520; https://doi.org/10.3390/ma11091520 - 24 Aug 2018
Cited by 9 | Viewed by 2286
Abstract
Pt as a chemical inert metal has been widely applied as the counter electrode in various electrochemical measurements. However, it can also be dissolved and redeposit to the working electrode under certain electrochemical circumstances. Herein we demonstrated a cyclic voltammetry (CV) cycling method [...] Read more.
Pt as a chemical inert metal has been widely applied as the counter electrode in various electrochemical measurements. However, it can also be dissolved and redeposit to the working electrode under certain electrochemical circumstances. Herein we demonstrated a cyclic voltammetry (CV) cycling method to synthesize a catalyst comprising inserted Pt nanoparticles into MoS2 nanoflake stack structures on stainless steel mesh (SSM). The binder-free composite structure exhibits significantly enhanced hydrogen evolution reaction (HER) catalytic activity with an overpotentials of 87 mV at 10 mA cm−2. The deposited Pt nanoparticles significantly enhance the catalytic activity through changing the structure of MoS2 and increasing the amount of active sites. This work provides a new way forward for rational design of the nano-electrocatalysts. Full article
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