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Catalysts
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Perovskite-Type Oxides-Based Catalysts in Hydrogen Production Application
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Perovskite-Type Oxides-Based Catalysts in Hydrogen Production Application

A special issue of Catalysts (ISSN 2073-4344). This special issue belongs to the section "Industrial Catalysis".

Deadline for manuscript submissions: closed (30 June 2023) | Viewed by 3500

Special Issue Editors

Dr. Shian Li

E-Mail Website
Guest Editor
Marine Engineering College, Dalian Maritime University, Dalian 116026, China
Interests: perovskite materials; hydrogen energy; fuel cells
Dr. Qiuwan Shen

E-Mail Website
Guest Editor
Marine Engineering College, Dalian Maritime University, Dalian 116026, China
Interests: hydrogen energy; new energy technology; PEMFC
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Hydrogen, both in its role as an energy carrier as well as a feedstock, is already widely used in fields such as fuel cells and transportation, and has become of the main pillars for the energy transformation necessary to combat climate change. Hydrogen production technologies mainly include water electrolysis, fossil fuel hydrogen production, and biomass hydrogen production. In particular, perovskite metal oxides have stable structures and flexible tunability of physicochemical properties, making them one of the suitable choices for hydrogen production catalysts. In this Special Issue, the main aim is to report on advanced perovskite-based catalysts which are beneficial to hydrogen production technologies. We invite original research, reviews, and perspectives involving experimental/simulation investigation, recent developments, and future directions in the field of hydrogen production using perovskite-based catalysts.

Dr. Shian Li
Dr. Qiuwan Shen
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Catalysts is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • perovskite catalysts
  • novel synthesis process
  • hydrogen production
  • novel catalytic performance
  • nanostructures
  • support

Published Papers (2 papers)

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Research

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11 pages, 3688 KiB  
Article
Methanol Steam Reforming over La1-xSrxCeO3-δ Catalysts for Hydrogen Production: Optimization of Operating Parameters
by Gaokui Chen, Qiuwan Shen, Xin Zhang, Zhongwen Cai, Zicheng Shao, Shian Li and Guogang Yang
Catalysts 2023, 13(2), 248; https://doi.org/10.3390/catal13020248 - 21 Jan 2023
Cited by 6 | Viewed by 1534
Abstract
In this study, a series of A-site strontium-doped La1-xSrxCeO3-δ (x = 0.2, 0.4, 0.6, 0.8) perovskite catalysts were synthesized via the ethylenediaminetetraacetic acid (EDTA) sol-gel method for hydrogen production by methanol steam reforming. The fresh and the reduced [...] Read more.
In this study, a series of A-site strontium-doped La1-xSrxCeO3-δ (x = 0.2, 0.4, 0.6, 0.8) perovskite catalysts were synthesized via the ethylenediaminetetraacetic acid (EDTA) sol-gel method for hydrogen production by methanol steam reforming. The fresh and the reduced catalysts are characterized by scanning X-ray (XRD), energy dispersive X-ray spectroscopy (EDS) and scanning electron microscopy (SEM) techniques. Results showed that La0.6Sr0.4CeO3-δ exhibited the best performance among the La1-xSrxCeO3-δ catalysts. The operating parameters were optimized to study the catalytic performance of La0.6Sr0.4CeO3-δ, including catalytic temperature, water–methanol ratio (W/M) and liquid hourly space velocity (LHSV). However, the excessive strontium content led to a decrease in hydrogen production amount per unit time, and the high W/M promoted the reverse water–gas shift reaction (RWGS), which resulted in a decrease in CO selectivity and an increase in CO2 selectivity. In addition, the optimal reaction parameters are as follows: reforming temperature of 700 °C; W/M of 3:1; LHSV of 20 h−1. Furthermore, the methanol conversion rate of La0.6Sr0.4CeO3-δ can reach approximately 82%, the hydrogen production can reach approximately 3.26 × 10−3 mol/g(cat)/min under the optimum reaction conditions. Furthermore, La0.6Sr0.4CeO3-δ exhibits high hydrogen selectivity (85%), which is a promising catalyst for MSR application. Full article
(This article belongs to the Special Issue Perovskite-Type Oxides-Based Catalysts in Hydrogen Production Application)
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Review

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32 pages, 5499 KiB  
Review
A Mini-Review on Lanthanum–Nickel-Based Perovskite-Derived Catalysts for Hydrogen Production via the Dry Reforming of Methane (DRM)
by Amvrosios G. Georgiadis, Nikolaos D. Charisiou and Maria A. Goula
Catalysts 2023, 13(10), 1357; https://doi.org/10.3390/catal13101357 - 10 Oct 2023
Viewed by 1679
Abstract
Given that the attempts to head toward a hydrogen economy are gathering pace, the dry reforming of methane (DRM) to produce hydrogen-rich syngas is a reaction that is worthy of investigation. Nickel-based catalysts have been extensively examined as a cost-effective solution for DRM, [...] Read more.
Given that the attempts to head toward a hydrogen economy are gathering pace, the dry reforming of methane (DRM) to produce hydrogen-rich syngas is a reaction that is worthy of investigation. Nickel-based catalysts have been extensively examined as a cost-effective solution for DRM, though they suffer from fast deactivation caused by coke accumulation. However, a number of published studies report high catalytic performance in terms of both activity and stability for La–Ni-based perovskite-derived catalysts used in DRM in comparison to other corresponding materials. In the work presented herein, a thorough analysis regarding the application of La–Ni-based perovskite catalysts for DRM is carried out. LaNiO3 is known for its anti-coking ability owing to the strong interaction between CO2 and La2O3. A further modification to improve the catalytic performance can be achieved by the partial or complete substitution of A or/and B sites of the perovskite catalysts. The latest developments with respect to this topic are also discussed in this manuscript. Even though the low surface area of perovskite catalysts has always been an obstacle for their commercialization, new supported and porous perovskite materials have recently emerged to address, at least partly, the challenge. Finally, conclusions and future outlooks for developing novel perovskite catalysts that may potentially pioneer new technology are included. Full article
(This article belongs to the Special Issue Perovskite-Type Oxides-Based Catalysts in Hydrogen Production Application)
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