YongKeun Kwon , Doosun Hong , Jue-Hyuk Jang , MinJoong Kim , SeKwon Oh , DongHoon Song , JeongHoon Lim , Sung Jong Yoo , EunAe Cho
{"title":"阴离子交换膜燃料电池中氢氧化反应的Ni-MoOx复合催化剂","authors":"YongKeun Kwon , Doosun Hong , Jue-Hyuk Jang , MinJoong Kim , SeKwon Oh , DongHoon Song , JeongHoon Lim , Sung Jong Yoo , EunAe Cho","doi":"10.1016/j.apcatb.2023.122740","DOIUrl":null,"url":null,"abstract":"<div><p><span>In developing anion exchange membrane fuel cells (AEMFCs), the sluggish hydrogen oxidation reaction<span> (HOR) under alkaline condition is one of the major challenges to be overcome. A screening process using the simple electrodeposition method suggests Ni-29Mo as the most promising composition among the prepared Ni-M (M= Co, Fe, Zn, Cr, Mo, W) and Ni-</span></span><em>x</em>Mo (<em>x</em> = 22∼33 at%) samples. Experimental analyses and theoretical computations demonstrate that the Ni-29Mo is composed of metallic nickel and molybdenum oxide (Ni-MoO<sub>x</sub>) domains and the hydrogen adsorption energy on metallic Ni is tailored in the presence of MoO<sub>2</sub> towards the optimal value. The Ni-MoO<sub>x</sub> composite catalyst shows a superior HOR activity (1.12 mA/cm<sup>2</sup> @ 20 mV<sub>RHE</sub>), outperforming carbon supported platinum (Pt/C, 1.01 mA/cm<sup>2</sup> @ 20 mV<sub>RHE</sub><span>), the best HOR catalyst. An AEMFC fabricated using Ni-29Mo nanoparticles as an anode catalyst exhibits excellent performance, approximately half of the Pt/C counterpart cell, demonstrating practical applicability of the catalyst.</span></p></div>","PeriodicalId":244,"journal":{"name":"Applied Catalysis B: Environmental","volume":"332 ","pages":"Article 122740"},"PeriodicalIF":20.2000,"publicationDate":"2023-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":"{\"title\":\"A Ni-MoOx composite catalyst for the hydrogen oxidation reaction in anion exchange membrane fuel cell\",\"authors\":\"YongKeun Kwon , Doosun Hong , Jue-Hyuk Jang , MinJoong Kim , SeKwon Oh , DongHoon Song , JeongHoon Lim , Sung Jong Yoo , EunAe Cho\",\"doi\":\"10.1016/j.apcatb.2023.122740\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p><span>In developing anion exchange membrane fuel cells (AEMFCs), the sluggish hydrogen oxidation reaction<span> (HOR) under alkaline condition is one of the major challenges to be overcome. A screening process using the simple electrodeposition method suggests Ni-29Mo as the most promising composition among the prepared Ni-M (M= Co, Fe, Zn, Cr, Mo, W) and Ni-</span></span><em>x</em>Mo (<em>x</em> = 22∼33 at%) samples. Experimental analyses and theoretical computations demonstrate that the Ni-29Mo is composed of metallic nickel and molybdenum oxide (Ni-MoO<sub>x</sub>) domains and the hydrogen adsorption energy on metallic Ni is tailored in the presence of MoO<sub>2</sub> towards the optimal value. The Ni-MoO<sub>x</sub> composite catalyst shows a superior HOR activity (1.12 mA/cm<sup>2</sup> @ 20 mV<sub>RHE</sub>), outperforming carbon supported platinum (Pt/C, 1.01 mA/cm<sup>2</sup> @ 20 mV<sub>RHE</sub><span>), the best HOR catalyst. An AEMFC fabricated using Ni-29Mo nanoparticles as an anode catalyst exhibits excellent performance, approximately half of the Pt/C counterpart cell, demonstrating practical applicability of the catalyst.</span></p></div>\",\"PeriodicalId\":244,\"journal\":{\"name\":\"Applied Catalysis B: Environmental\",\"volume\":\"332 \",\"pages\":\"Article 122740\"},\"PeriodicalIF\":20.2000,\"publicationDate\":\"2023-09-05\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"3\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Applied Catalysis B: Environmental\",\"FirstCategoryId\":\"1\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S0926337323003831\",\"RegionNum\":1,\"RegionCategory\":\"化学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"CHEMISTRY, PHYSICAL\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Applied Catalysis B: Environmental","FirstCategoryId":"1","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0926337323003831","RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CHEMISTRY, PHYSICAL","Score":null,"Total":0}
A Ni-MoOx composite catalyst for the hydrogen oxidation reaction in anion exchange membrane fuel cell
In developing anion exchange membrane fuel cells (AEMFCs), the sluggish hydrogen oxidation reaction (HOR) under alkaline condition is one of the major challenges to be overcome. A screening process using the simple electrodeposition method suggests Ni-29Mo as the most promising composition among the prepared Ni-M (M= Co, Fe, Zn, Cr, Mo, W) and Ni-xMo (x = 22∼33 at%) samples. Experimental analyses and theoretical computations demonstrate that the Ni-29Mo is composed of metallic nickel and molybdenum oxide (Ni-MoOx) domains and the hydrogen adsorption energy on metallic Ni is tailored in the presence of MoO2 towards the optimal value. The Ni-MoOx composite catalyst shows a superior HOR activity (1.12 mA/cm2 @ 20 mVRHE), outperforming carbon supported platinum (Pt/C, 1.01 mA/cm2 @ 20 mVRHE), the best HOR catalyst. An AEMFC fabricated using Ni-29Mo nanoparticles as an anode catalyst exhibits excellent performance, approximately half of the Pt/C counterpart cell, demonstrating practical applicability of the catalyst.
期刊介绍：
Applied Catalysis B: Environment and Energy (formerly Applied Catalysis B: Environmental) is a journal that focuses on the transition towards cleaner and more sustainable energy sources. The journal's publications cover a wide range of topics, including:
1.Catalytic elimination of environmental pollutants such as nitrogen oxides, carbon monoxide, sulfur compounds, chlorinated and other organic compounds, and soot emitted from stationary or mobile sources.
2.Basic understanding of catalysts used in environmental pollution abatement, particularly in industrial processes.
3.All aspects of preparation, characterization, activation, deactivation, and regeneration of novel and commercially applicable environmental catalysts.
4.New catalytic routes and processes for the production of clean energy, such as hydrogen generation via catalytic fuel processing, and new catalysts and electrocatalysts for fuel cells.
5.Catalytic reactions that convert wastes into useful products.
6.Clean manufacturing techniques that replace toxic chemicals with environmentally friendly catalysts.
7.Scientific aspects of photocatalytic processes and a basic understanding of photocatalysts as applied to environmental problems.
8.New catalytic combustion technologies and catalysts.
9.New catalytic non-enzymatic transformations of biomass components.
The journal is abstracted and indexed in API Abstracts, Research Alert, Chemical Abstracts, Web of Science, Theoretical Chemical Engineering Abstracts, Engineering, Technology & Applied Sciences, and others.
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