Preparation of Ordered Intermetallic Compounds and Their Application in Electrocatalytic Reactions

Development of novel metal catalysts with high catalytic activity and selectivity is one of the most crucial research topics in the field of environmental and energy technologies. In general, the development of metal catalysts involves the addition of a second element to the active sites, such as Pt...

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Main Author: Takao GUNJI
Format: Article
Language:English
Published: The Electrochemical Society of Japan 2021-11-01
Series:Electrochemistry
Subjects:
Online Access:https://www.jstage.jst.go.jp/article/electrochemistry/89/6/89_21-00081/_html/-char/en
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author Takao GUNJI
author_facet Takao GUNJI
author_sort Takao GUNJI
collection DOAJ
description Development of novel metal catalysts with high catalytic activity and selectivity is one of the most crucial research topics in the field of environmental and energy technologies. In general, the development of metal catalysts involves the addition of a second element to the active sites, such as Pt and Pd. Among the various metallic alloys, our focus has been specifically on a class of alloys, known as “intermetallic compounds,” which exhibit long range atomic order. This study aims to review the electrooxidation of formic acid, oxygen reduction reactions using atomically ordered intermetallic compounds such as Pd3Pb and PdCu3, high selectivity or catalytic reaction selectivity associated with additive element species, and CO2 reduction reactions. Furthermore, various factors related to the electrocatalytic oxygen reduction reaction in acidic environments and electrooxidation of formic acid over Pd-based ordered intermetallic compounds have been discussed. The study also examines the photocatalytic activity of intermetallic co-catalysts toward the decomposition of volatile organic compounds using intermetallic co-catalysts. Finally, the electrocatalytic conversion of CO2 over Sn- and Pd-based electrocatalysts has been discussed. The review and the ensuing discussions are presented in the backdrop of previous studies conducted in this field and is anticipated to provide important insights for the accelerated development of highly active advanced catalysts.
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spelling doaj.art-5349e93cecaf4629bdc772e1961966e32023-01-02T01:01:03ZengThe Electrochemical Society of JapanElectrochemistry2186-24512021-11-0189651852410.5796/electrochemistry.21-00081electrochemistryPreparation of Ordered Intermetallic Compounds and Their Application in Electrocatalytic ReactionsTakao GUNJI0Department of Material and Life Chemistry, Kanagawa UniversityDevelopment of novel metal catalysts with high catalytic activity and selectivity is one of the most crucial research topics in the field of environmental and energy technologies. In general, the development of metal catalysts involves the addition of a second element to the active sites, such as Pt and Pd. Among the various metallic alloys, our focus has been specifically on a class of alloys, known as “intermetallic compounds,” which exhibit long range atomic order. This study aims to review the electrooxidation of formic acid, oxygen reduction reactions using atomically ordered intermetallic compounds such as Pd3Pb and PdCu3, high selectivity or catalytic reaction selectivity associated with additive element species, and CO2 reduction reactions. Furthermore, various factors related to the electrocatalytic oxygen reduction reaction in acidic environments and electrooxidation of formic acid over Pd-based ordered intermetallic compounds have been discussed. The study also examines the photocatalytic activity of intermetallic co-catalysts toward the decomposition of volatile organic compounds using intermetallic co-catalysts. Finally, the electrocatalytic conversion of CO2 over Sn- and Pd-based electrocatalysts has been discussed. The review and the ensuing discussions are presented in the backdrop of previous studies conducted in this field and is anticipated to provide important insights for the accelerated development of highly active advanced catalysts.https://www.jstage.jst.go.jp/article/electrochemistry/89/6/89_21-00081/_html/-char/enordered intermetallic compoundsfuel cell catalystsphotocatalystsco2 reduction reaction
spellingShingle Takao GUNJI
Preparation of Ordered Intermetallic Compounds and Their Application in Electrocatalytic Reactions
Electrochemistry
ordered intermetallic compounds
fuel cell catalysts
photocatalysts
co2 reduction reaction
title Preparation of Ordered Intermetallic Compounds and Their Application in Electrocatalytic Reactions
title_full Preparation of Ordered Intermetallic Compounds and Their Application in Electrocatalytic Reactions
title_fullStr Preparation of Ordered Intermetallic Compounds and Their Application in Electrocatalytic Reactions
title_full_unstemmed Preparation of Ordered Intermetallic Compounds and Their Application in Electrocatalytic Reactions
title_short Preparation of Ordered Intermetallic Compounds and Their Application in Electrocatalytic Reactions
title_sort preparation of ordered intermetallic compounds and their application in electrocatalytic reactions
topic ordered intermetallic compounds
fuel cell catalysts
photocatalysts
co2 reduction reaction
url https://www.jstage.jst.go.jp/article/electrochemistry/89/6/89_21-00081/_html/-char/en
work_keys_str_mv AT takaogunji preparationoforderedintermetalliccompoundsandtheirapplicationinelectrocatalyticreactions