Enhancing neutral hydrogen production by disrupting the rigid hydrogen bond network on Ru nanoclusters through Nb2O5-mediated water reorientation
The hydrogen evolution reaction (HER) under neutral conditions is highly important for achieving practical hydrogen production. However, catalysts often exhibit lower activity under neutral conditions, the cause of which remains an unsolved puzzle. By employing ab initio molecular dynamics and in si...
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Veröffentlicht in: | Energy & environmental science 2024-07, Vol.17 (14), p.5091-5101 |
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creator | Xiao Hui Chen Xiao Lin Li Li, Ting Jia Huan Jia Jing Lei Lei Li, Nian Bing Luo, Hong Qun |
description | The hydrogen evolution reaction (HER) under neutral conditions is highly important for achieving practical hydrogen production. However, catalysts often exhibit lower activity under neutral conditions, the cause of which remains an unsolved puzzle. By employing ab initio molecular dynamics and in situ surface-enhanced Raman spectroscopy, we investigated the regulatory role of Nb2O5 on interfacial water molecules, which determines the activity of neutral HER. The rigid interfacial water layer in a neutral medium inhibits the transport of intermediates (H2O*/OH*) at the interface between Ru nanoclusters and the electrolyte. However, electron-rich Nb2O5 can overcome this challenge by altering the orientation of H2O molecules to disrupt the H-bond network, thereby increasing the availability of H2O on the surface of catalyst. Finally, Ru/Nb2O5 exhibited excellent activity, even surpassing that of commercial Pt/C catalysts at higher current density. This study provides new avenues for constructing coupled catalysts to activate interfacial water and enhance neutral HER. |
doi_str_mv | 10.1039/d4ee01855a |
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However, catalysts often exhibit lower activity under neutral conditions, the cause of which remains an unsolved puzzle. By employing ab initio molecular dynamics and in situ surface-enhanced Raman spectroscopy, we investigated the regulatory role of Nb2O5 on interfacial water molecules, which determines the activity of neutral HER. The rigid interfacial water layer in a neutral medium inhibits the transport of intermediates (H2O*/OH*) at the interface between Ru nanoclusters and the electrolyte. However, electron-rich Nb2O5 can overcome this challenge by altering the orientation of H2O molecules to disrupt the H-bond network, thereby increasing the availability of H2O on the surface of catalyst. Finally, Ru/Nb2O5 exhibited excellent activity, even surpassing that of commercial Pt/C catalysts at higher current density. This study provides new avenues for constructing coupled catalysts to activate interfacial water and enhance neutral HER.</description><identifier>ISSN: 1754-5692</identifier><identifier>EISSN: 1754-5706</identifier><identifier>DOI: 10.1039/d4ee01855a</identifier><language>eng</language><publisher>Cambridge: Royal Society of Chemistry</publisher><subject>Catalysts ; Chemical bonds ; Hydrogen ; Hydrogen bonds ; Hydrogen evolution reactions ; Hydrogen production ; Intermediates ; Molecular dynamics ; Nanoclusters ; Niobium oxides ; Raman spectroscopy ; Ruthenium ; Water chemistry</subject><ispartof>Energy & environmental science, 2024-07, Vol.17 (14), p.5091-5101</ispartof><rights>Copyright Royal Society of Chemistry 2024</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Xiao Hui Chen</creatorcontrib><creatorcontrib>Xiao Lin Li</creatorcontrib><creatorcontrib>Li, Ting</creatorcontrib><creatorcontrib>Jia Huan Jia</creatorcontrib><creatorcontrib>Jing Lei Lei</creatorcontrib><creatorcontrib>Li, Nian Bing</creatorcontrib><creatorcontrib>Luo, Hong Qun</creatorcontrib><title>Enhancing neutral hydrogen production by disrupting the rigid hydrogen bond network on Ru nanoclusters through Nb2O5-mediated water reorientation</title><title>Energy & environmental science</title><description>The hydrogen evolution reaction (HER) under neutral conditions is highly important for achieving practical hydrogen production. However, catalysts often exhibit lower activity under neutral conditions, the cause of which remains an unsolved puzzle. By employing ab initio molecular dynamics and in situ surface-enhanced Raman spectroscopy, we investigated the regulatory role of Nb2O5 on interfacial water molecules, which determines the activity of neutral HER. The rigid interfacial water layer in a neutral medium inhibits the transport of intermediates (H2O*/OH*) at the interface between Ru nanoclusters and the electrolyte. However, electron-rich Nb2O5 can overcome this challenge by altering the orientation of H2O molecules to disrupt the H-bond network, thereby increasing the availability of H2O on the surface of catalyst. Finally, Ru/Nb2O5 exhibited excellent activity, even surpassing that of commercial Pt/C catalysts at higher current density. This study provides new avenues for constructing coupled catalysts to activate interfacial water and enhance neutral HER.</description><subject>Catalysts</subject><subject>Chemical bonds</subject><subject>Hydrogen</subject><subject>Hydrogen bonds</subject><subject>Hydrogen evolution reactions</subject><subject>Hydrogen production</subject><subject>Intermediates</subject><subject>Molecular dynamics</subject><subject>Nanoclusters</subject><subject>Niobium oxides</subject><subject>Raman spectroscopy</subject><subject>Ruthenium</subject><subject>Water chemistry</subject><issn>1754-5692</issn><issn>1754-5706</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNpFkM1OwzAQhC0EEqVw4QkscQ7YcWwnR1SVH6miEoJz5dibxKXYxbFV9TF4Y1x-xGV3D9_MaBahS0quKWHNjakACK05V0doQiWvCi6JOP67RVOeorNxXBMiSiKbCfqcu0E5bV2PHaQY1AYPexN8Dw5vgzdJR-sdbvfY2DGkbTyQcQAcbG_NP9t6Z7JD3PnwhrPgOWGnnNebNEYIY5YEn_oBP7XlkhfvYKyKYPAuz4AD-GDBRXXIOkcnndqMcPG7p-j1bv4yeygWy_vH2e2i2FLKYlHWghnOKJMSJOcdV0I3FYdOaMFqVuu2aiQp9TfCoOyUrngnoQNOlBbApujqxzfX_EgwxtXap-By5IqRmuaH0RzxBfLFaas</recordid><startdate>20240716</startdate><enddate>20240716</enddate><creator>Xiao Hui Chen</creator><creator>Xiao Lin Li</creator><creator>Li, Ting</creator><creator>Jia Huan Jia</creator><creator>Jing Lei Lei</creator><creator>Li, Nian Bing</creator><creator>Luo, Hong Qun</creator><general>Royal Society of Chemistry</general><scope>7SP</scope><scope>7ST</scope><scope>7TB</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>L7M</scope><scope>SOI</scope></search><sort><creationdate>20240716</creationdate><title>Enhancing neutral hydrogen production by disrupting the rigid hydrogen bond network on Ru nanoclusters through Nb2O5-mediated water reorientation</title><author>Xiao Hui Chen ; Xiao Lin Li ; Li, Ting ; Jia Huan Jia ; Jing Lei Lei ; Li, Nian Bing ; Luo, Hong Qun</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p113t-2863d531377e755f5a6c945ef6c63838cb49702c531373e2fac45f7efe50ac6e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Catalysts</topic><topic>Chemical bonds</topic><topic>Hydrogen</topic><topic>Hydrogen bonds</topic><topic>Hydrogen evolution reactions</topic><topic>Hydrogen production</topic><topic>Intermediates</topic><topic>Molecular dynamics</topic><topic>Nanoclusters</topic><topic>Niobium oxides</topic><topic>Raman spectroscopy</topic><topic>Ruthenium</topic><topic>Water chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Xiao Hui Chen</creatorcontrib><creatorcontrib>Xiao Lin Li</creatorcontrib><creatorcontrib>Li, Ting</creatorcontrib><creatorcontrib>Jia Huan Jia</creatorcontrib><creatorcontrib>Jing Lei Lei</creatorcontrib><creatorcontrib>Li, Nian Bing</creatorcontrib><creatorcontrib>Luo, Hong Qun</creatorcontrib><collection>Electronics & Communications Abstracts</collection><collection>Environment Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Environment Abstracts</collection><jtitle>Energy & environmental science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Xiao Hui Chen</au><au>Xiao Lin Li</au><au>Li, Ting</au><au>Jia Huan Jia</au><au>Jing Lei Lei</au><au>Li, Nian Bing</au><au>Luo, Hong Qun</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Enhancing neutral hydrogen production by disrupting the rigid hydrogen bond network on Ru nanoclusters through Nb2O5-mediated water reorientation</atitle><jtitle>Energy & environmental science</jtitle><date>2024-07-16</date><risdate>2024</risdate><volume>17</volume><issue>14</issue><spage>5091</spage><epage>5101</epage><pages>5091-5101</pages><issn>1754-5692</issn><eissn>1754-5706</eissn><abstract>The hydrogen evolution reaction (HER) under neutral conditions is highly important for achieving practical hydrogen production. However, catalysts often exhibit lower activity under neutral conditions, the cause of which remains an unsolved puzzle. By employing ab initio molecular dynamics and in situ surface-enhanced Raman spectroscopy, we investigated the regulatory role of Nb2O5 on interfacial water molecules, which determines the activity of neutral HER. The rigid interfacial water layer in a neutral medium inhibits the transport of intermediates (H2O*/OH*) at the interface between Ru nanoclusters and the electrolyte. However, electron-rich Nb2O5 can overcome this challenge by altering the orientation of H2O molecules to disrupt the H-bond network, thereby increasing the availability of H2O on the surface of catalyst. Finally, Ru/Nb2O5 exhibited excellent activity, even surpassing that of commercial Pt/C catalysts at higher current density. This study provides new avenues for constructing coupled catalysts to activate interfacial water and enhance neutral HER.</abstract><cop>Cambridge</cop><pub>Royal Society of Chemistry</pub><doi>10.1039/d4ee01855a</doi><tpages>11</tpages></addata></record> |
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subjects | Catalysts Chemical bonds Hydrogen Hydrogen bonds Hydrogen evolution reactions Hydrogen production Intermediates Molecular dynamics Nanoclusters Niobium oxides Raman spectroscopy Ruthenium Water chemistry |
title | Enhancing neutral hydrogen production by disrupting the rigid hydrogen bond network on Ru nanoclusters through Nb2O5-mediated water reorientation |
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