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{"title":"由 MOF 衍生的掺铁 Ni3S2@CoSx 纳米阵列作为双功能电催化剂实现高效整体水分离","authors":"Jia-Le Song, Lu-Bing Li, Yun-Hai Wang, Qing-Yun Chen","doi":"10.1002/jctb.7655","DOIUrl":null,"url":null,"abstract":"<div>\n \n \n <section>\n \n <h3> BACKGROUND</h3>\n \n <p>Fabricating high-performance bifunctional electrocatalysts remains challenging to promote the development of electrocatalytic water-splitting.</p>\n </section>\n \n <section>\n \n <h3> RESULT</h3>\n \n <p>A heterostructure Fe-Ni<sub>3</sub>S<sub>2</sub>@CoS<sub>x</sub>/NF was successfully synthesized using an interfacial engineering strategy. Benefiting from the strong synergistic effect between highly active cobalt sulfide (CoS<sub>x</sub>) and iron-doped trinickel-disulfide (Ni<sub>3</sub>S<sub>2</sub>) (Fe-Ni<sub>3</sub>S<sub>2</sub>), Fe-Ni<sub>3</sub>S<sub>2</sub>@CoS<sub>x</sub>/NF exhibited outstanding bifunctional performance, with low overpotentials of 77 and 217 mV for the cathodic hydrogen evolution reaction (HER) and anodic oxygen evolution reaction (OER), respectively, at 10 mA cm<sup>−2</sup>.</p>\n </section>\n \n <section>\n \n <h3> CONCLUSION</h3>\n \n <p>The CoS<sub>x</sub> nanoarrays and Fe-Ni<sub>3</sub>S<sub>2</sub> nanosheets respectively served as HER and OER active centers. When Fe-Ni<sub>3</sub>S<sub>2</sub>@CoS<sub>x</sub>/NF was used as both cathode and anode for overall water-splitting, a low voltage of 1.52 V was required to reach the current density of 10 mA cm<sup>−2</sup> with nearly 100% Faradic efficiency and outstanding durability. © 2024 Society of Chemical Industry (SCI).</p>\n </section>\n </div>","PeriodicalId":15335,"journal":{"name":"Journal of chemical technology and biotechnology","volume":null,"pages":null},"PeriodicalIF":2.8000,"publicationDate":"2024-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Fe-doped Ni3S2@CoSx nanoarrays derived from MOF as bifunctional electrocatalysts for efficient overall water-splitting\",\"authors\":\"Jia-Le Song, Lu-Bing Li, Yun-Hai Wang, Qing-Yun Chen\",\"doi\":\"10.1002/jctb.7655\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div>\\n \\n \\n <section>\\n \\n <h3> BACKGROUND</h3>\\n \\n <p>Fabricating high-performance bifunctional electrocatalysts remains challenging to promote the development of electrocatalytic water-splitting.</p>\\n </section>\\n \\n <section>\\n \\n <h3> RESULT</h3>\\n \\n <p>A heterostructure Fe-Ni<sub>3</sub>S<sub>2</sub>@CoS<sub>x</sub>/NF was successfully synthesized using an interfacial engineering strategy. Benefiting from the strong synergistic effect between highly active cobalt sulfide (CoS<sub>x</sub>) and iron-doped trinickel-disulfide (Ni<sub>3</sub>S<sub>2</sub>) (Fe-Ni<sub>3</sub>S<sub>2</sub>), Fe-Ni<sub>3</sub>S<sub>2</sub>@CoS<sub>x</sub>/NF exhibited outstanding bifunctional performance, with low overpotentials of 77 and 217 mV for the cathodic hydrogen evolution reaction (HER) and anodic oxygen evolution reaction (OER), respectively, at 10 mA cm<sup>−2</sup>.</p>\\n </section>\\n \\n <section>\\n \\n <h3> CONCLUSION</h3>\\n \\n <p>The CoS<sub>x</sub> nanoarrays and Fe-Ni<sub>3</sub>S<sub>2</sub> nanosheets respectively served as HER and OER active centers. When Fe-Ni<sub>3</sub>S<sub>2</sub>@CoS<sub>x</sub>/NF was used as both cathode and anode for overall water-splitting, a low voltage of 1.52 V was required to reach the current density of 10 mA cm<sup>−2</sup> with nearly 100% Faradic efficiency and outstanding durability. © 2024 Society of Chemical Industry (SCI).</p>\\n </section>\\n </div>\",\"PeriodicalId\":15335,\"journal\":{\"name\":\"Journal of chemical technology and biotechnology\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":2.8000,\"publicationDate\":\"2024-04-15\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of chemical technology and biotechnology\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://onlinelibrary.wiley.com/doi/10.1002/jctb.7655\",\"RegionNum\":4,\"RegionCategory\":\"生物学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"BIOTECHNOLOGY & APPLIED MICROBIOLOGY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of chemical technology and biotechnology","FirstCategoryId":"5","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1002/jctb.7655","RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"BIOTECHNOLOGY & APPLIED MICROBIOLOGY","Score":null,"Total":0}
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