Electrocatalysis for Low-Temperature Water Electrolysis

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

Deadline for manuscript submissions: closed (31 December 2019) | Viewed by 4495

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National Research University "Moscow Power Engineering Institute", 14, Krasnokazarmennaya St., 111250 Moscow, Russia
Interests: proton exchange membrane water electrolysis; proton exchange membrane fuel cells; electrocatalysis
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Special Issue Information

Dear Colleagues,

Low-temperature water electrolysis is used in a number of industrial and power engineering applications for long decades. In recent years, interest in water electrolysis has steadily grown due to the application of the so-called hydrogen cycle (electrolysis system—hydrogen storage system—fuel cell system) for renewable and nuclear energy storage, and also the development of a hydrogen refueling stations network for fuel cell vehicles. The aim of this Special Issue is to highlight the topical issues of electrocatalysis applied to low-temperature water electrolyzers on the basis of proton- and anion-exchange membranes/diaphragms. In particular, aspects of the activity and stability of cathode and anode electrocatalysts on the basis of platinum and non-platinum group metals, molecular complexes, and so on will be considered. Original research articles and review papers dedicated to new disperse catalysts carriers and catalytically-activated electrode materials are expected as well. Special attention will be given to the development and tests of industrial-scale water electrolysis systems on the basis of innovative electrocatalytic materials.

Prof. Dr. Sergey Grigoriev
Guest Editor

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Keywords

  • Low-temperature water electrolysis
  • Proton/anion exchange membrane
  • Oxygen evolution reaction
  • Hydrogen evolution reaction
  • Electrode structure
  • Catalyst degradation analysis and mechanisms
  • Pt-group-metal (Pt, Pd, Ir, Rh, Os, and Ru) catalysts
  • Non Pt-group-metal catalysts

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Published Papers (1 paper)

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Research

15 pages, 5466 KiB  
Article
On the Influence of Composition and Structure of Carbon-Supported Pt-SnO2 Hetero-Clusters onto Their Electrocatalytic Activity and Durability in PEMFC
by Dmitry D. Spasov, Nataliya A. Ivanova, Artem S. Pushkarev, Irina V. Pushkareva, Natalia N. Presnyakova, Ratibor G. Chumakov, Mikhail Yu. Presnyakov, Sergey A. Grigoriev and Vladimir N. Fateev
Catalysts 2019, 9(10), 803; https://doi.org/10.3390/catal9100803 - 25 Sep 2019
Cited by 37 | Viewed by 4145
Abstract
A detailed study of the structure, morphology and electrochemical properties of Pt/C and Pt/x-SnO2/C catalysts synthesized using a polyol method has been provided. A series of catalysts supported on the SnO2-modified carbon was synthesized and studied by various methods [...] Read more.
A detailed study of the structure, morphology and electrochemical properties of Pt/C and Pt/x-SnO2/C catalysts synthesized using a polyol method has been provided. A series of catalysts supported on the SnO2-modified carbon was synthesized and studied by various methods including transmission electron microscopy (TEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), electrochemical methods, and fuel cell testing. The SnO2 content varies from 5 to 40 wt %. The TEM images, XRD and XPS analysis suggested the Pt-SnO2 hetero-clusters formation. The SnO2 content of ca. 10% ensures an optimal catalytic layer structure and morphology providing uniform distribution of Pt-SnO2 clusters over the carbon support surface. Pt/10wt %-SnO2/C catalyst demonstrates increased activity and durability toward the oxygen reduction reaction (ORR) in course of accelerated stress testing due to the high stability of SnO2 and its interaction with Pt. The polymer electrolyte membrane fuel cell current–voltage performance of the Pt/10wt %-SnO2/C is comparable with those of Pt/C, however, higher durability is expected. Full article
(This article belongs to the Special Issue Electrocatalysis for Low-Temperature Water Electrolysis)
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