Oxygen Radical Coupling on Short-Range Ordered Ru Atom Arrays Enables Exceptional Activity and Stability for Acidic Water Oxidation
The discovery of efficient and stable electrocatalysts for oxygen evolution reaction (OER) in acid is vital for the commercialization of the proton-exchange membrane water electrolyzer. In this work, we demonstrate that short-range Ru atom arrays with near-ideal Ru–Ru interatomic distances and a uni...
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| Veröffentlicht in: | Journal of the American Chemical Society 2024-05, Vol.146 (19), p.12958-12968 |
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| container_title | Journal of the American Chemical Society |
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| creator | Chang, Jiangwei Shi, Yuanyuan Wu, Han Yu, Jingkun Jing, Wen Wang, Siyang Waterhouse, Geoffrey I. N. Tang, Zhiyong Lu, Siyu |
| description | The discovery of efficient and stable electrocatalysts for oxygen evolution reaction (OER) in acid is vital for the commercialization of the proton-exchange membrane water electrolyzer. In this work, we demonstrate that short-range Ru atom arrays with near-ideal Ru–Ru interatomic distances and a unique Ru–O hybridization state can trigger direct O*–O* radical coupling to form an intermediate O*–O*-Ru configuration during acidic OER without generating OOH* species. Further, the Ru atom arrays suppress the participation of lattice oxygen in the OER and the dissolution of active Ru. Benefiting from these advantages, the as-designed Ru array-Co3O4 electrocatalyst breaks the activity/stability trade-off that plagues RuO2-based electrocatalysts, delivering an excellent OER overpotential of only 160 mV at 10 mA cm–2 in 0.5 M H2SO4 and outstanding durability during 1500 h operation, representing one of the best acid-stable OER electrocatalysts reported to date. 18O-labeled operando spectroscopic measurements together with theoretical investigations revealed that the short-range Ru atom arrays switched on an oxide path mechanism (OPM) during the OER. Our work not only guides the design of improved acidic OER catalysts but also encourages the pursuit of short-range metal atom array-based electrocatalysts for other electrocatalytic reactions. |
| doi_str_mv | 10.1021/jacs.3c13248 |
| format | Article |
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N. ; Tang, Zhiyong ; Lu, Siyu</creator><creatorcontrib>Chang, Jiangwei ; Shi, Yuanyuan ; Wu, Han ; Yu, Jingkun ; Jing, Wen ; Wang, Siyang ; Waterhouse, Geoffrey I. N. ; Tang, Zhiyong ; Lu, Siyu</creatorcontrib><description>The discovery of efficient and stable electrocatalysts for oxygen evolution reaction (OER) in acid is vital for the commercialization of the proton-exchange membrane water electrolyzer. In this work, we demonstrate that short-range Ru atom arrays with near-ideal Ru–Ru interatomic distances and a unique Ru–O hybridization state can trigger direct O*–O* radical coupling to form an intermediate O*–O*-Ru configuration during acidic OER without generating OOH* species. Further, the Ru atom arrays suppress the participation of lattice oxygen in the OER and the dissolution of active Ru. Benefiting from these advantages, the as-designed Ru array-Co3O4 electrocatalyst breaks the activity/stability trade-off that plagues RuO2-based electrocatalysts, delivering an excellent OER overpotential of only 160 mV at 10 mA cm–2 in 0.5 M H2SO4 and outstanding durability during 1500 h operation, representing one of the best acid-stable OER electrocatalysts reported to date. 18O-labeled operando spectroscopic measurements together with theoretical investigations revealed that the short-range Ru atom arrays switched on an oxide path mechanism (OPM) during the OER. Our work not only guides the design of improved acidic OER catalysts but also encourages the pursuit of short-range metal atom array-based electrocatalysts for other electrocatalytic reactions.</description><identifier>ISSN: 0002-7863</identifier><identifier>ISSN: 1520-5126</identifier><identifier>EISSN: 1520-5126</identifier><identifier>DOI: 10.1021/jacs.3c13248</identifier><identifier>PMID: 38695595</identifier><language>eng</language><publisher>United States: American Chemical Society</publisher><subject>commercialization ; durability ; oxidation ; oxygen ; oxygen production ; reactive oxygen species ; species ; spectroscopy</subject><ispartof>Journal of the American Chemical Society, 2024-05, Vol.146 (19), p.12958-12968</ispartof><rights>2024 American Chemical Society</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-a314t-6c4e4d939b4df407ea303ba1b5cedb0d6ab09269aaceedab45a0c86af5a158fb3</cites><orcidid>0000-0003-0610-0064 ; 0000-0002-3296-3093 ; 0000-0003-4538-7846</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://pubs.acs.org/doi/pdf/10.1021/jacs.3c13248$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/jacs.3c13248$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>314,776,780,2752,27053,27901,27902,56713,56763</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/38695595$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Chang, Jiangwei</creatorcontrib><creatorcontrib>Shi, Yuanyuan</creatorcontrib><creatorcontrib>Wu, Han</creatorcontrib><creatorcontrib>Yu, Jingkun</creatorcontrib><creatorcontrib>Jing, Wen</creatorcontrib><creatorcontrib>Wang, Siyang</creatorcontrib><creatorcontrib>Waterhouse, Geoffrey I. N.</creatorcontrib><creatorcontrib>Tang, Zhiyong</creatorcontrib><creatorcontrib>Lu, Siyu</creatorcontrib><title>Oxygen Radical Coupling on Short-Range Ordered Ru Atom Arrays Enables Exceptional Activity and Stability for Acidic Water Oxidation</title><title>Journal of the American Chemical Society</title><addtitle>J. Am. Chem. Soc</addtitle><description>The discovery of efficient and stable electrocatalysts for oxygen evolution reaction (OER) in acid is vital for the commercialization of the proton-exchange membrane water electrolyzer. In this work, we demonstrate that short-range Ru atom arrays with near-ideal Ru–Ru interatomic distances and a unique Ru–O hybridization state can trigger direct O*–O* radical coupling to form an intermediate O*–O*-Ru configuration during acidic OER without generating OOH* species. Further, the Ru atom arrays suppress the participation of lattice oxygen in the OER and the dissolution of active Ru. Benefiting from these advantages, the as-designed Ru array-Co3O4 electrocatalyst breaks the activity/stability trade-off that plagues RuO2-based electrocatalysts, delivering an excellent OER overpotential of only 160 mV at 10 mA cm–2 in 0.5 M H2SO4 and outstanding durability during 1500 h operation, representing one of the best acid-stable OER electrocatalysts reported to date. 18O-labeled operando spectroscopic measurements together with theoretical investigations revealed that the short-range Ru atom arrays switched on an oxide path mechanism (OPM) during the OER. Our work not only guides the design of improved acidic OER catalysts but also encourages the pursuit of short-range metal atom array-based electrocatalysts for other electrocatalytic reactions.</description><subject>commercialization</subject><subject>durability</subject><subject>oxidation</subject><subject>oxygen</subject><subject>oxygen production</subject><subject>reactive oxygen species</subject><subject>species</subject><subject>spectroscopy</subject><issn>0002-7863</issn><issn>1520-5126</issn><issn>1520-5126</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNqFkUFrGzEQhUVpSJw0t56Ljj10HWklrXePxqRJwWBwEnpcRtKsK7NeuZI22Of88e4St70EcnoM8817MI-Qz5xNOcv5zRZMnArDRS7LD2TCVc4yxfPiI5kwxvJsVhbiglzGuB1GmZf8nFyIsqiUqtSEvKwOxw12dA3WGWjpwvf71nUb6jv68MuHlK2h2yBdBYsBLV33dJ78js5DgGOktx3oFgc9GNwn57vBYm6Se3bpSKGz9CGBdu04NT4MKzfE0J-QMNDVwVkYbz6RswbaiNcnvSJP328fF_fZcnX3YzFfZiC4TFlhJEpbiUpL20g2QxBMaOBaGbSa2QI0q_KiAjCIFrRUwExZQKOAq7LR4op8ffXdB_-7x5jqnYsG2xY69H2sBVdCKV7w6n2UKcZnSkk-oN9eURN8jAGbeh_cDsKx5qweG6rHhupTQwP-5eTc6x3af_DfSv5Hj1db34fhp_Ftrz8D35t9</recordid><startdate>20240515</startdate><enddate>20240515</enddate><creator>Chang, Jiangwei</creator><creator>Shi, Yuanyuan</creator><creator>Wu, Han</creator><creator>Yu, Jingkun</creator><creator>Jing, Wen</creator><creator>Wang, Siyang</creator><creator>Waterhouse, Geoffrey I. 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Soc</addtitle><date>2024-05-15</date><risdate>2024</risdate><volume>146</volume><issue>19</issue><spage>12958</spage><epage>12968</epage><pages>12958-12968</pages><issn>0002-7863</issn><issn>1520-5126</issn><eissn>1520-5126</eissn><abstract>The discovery of efficient and stable electrocatalysts for oxygen evolution reaction (OER) in acid is vital for the commercialization of the proton-exchange membrane water electrolyzer. In this work, we demonstrate that short-range Ru atom arrays with near-ideal Ru–Ru interatomic distances and a unique Ru–O hybridization state can trigger direct O*–O* radical coupling to form an intermediate O*–O*-Ru configuration during acidic OER without generating OOH* species. Further, the Ru atom arrays suppress the participation of lattice oxygen in the OER and the dissolution of active Ru. Benefiting from these advantages, the as-designed Ru array-Co3O4 electrocatalyst breaks the activity/stability trade-off that plagues RuO2-based electrocatalysts, delivering an excellent OER overpotential of only 160 mV at 10 mA cm–2 in 0.5 M H2SO4 and outstanding durability during 1500 h operation, representing one of the best acid-stable OER electrocatalysts reported to date. 18O-labeled operando spectroscopic measurements together with theoretical investigations revealed that the short-range Ru atom arrays switched on an oxide path mechanism (OPM) during the OER. 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| subjects | commercialization durability oxidation oxygen oxygen production reactive oxygen species species spectroscopy |
| title | Oxygen Radical Coupling on Short-Range Ordered Ru Atom Arrays Enables Exceptional Activity and Stability for Acidic Water Oxidation |
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