Jia-Lin Cai, Jing-Yi Fan, Xu-Dong Zhang, Xin Xie, Wan-Yu Tian, Xin-Gang Zhang, Jie Ding, Yu-Shan Liu
{"title":"构建用于高效整体水分离的 RuO2-Ru/MoO2@carbon 布双功能电催化剂","authors":"Jia-Lin Cai, Jing-Yi Fan, Xu-Dong Zhang, Xin Xie, Wan-Yu Tian, Xin-Gang Zhang, Jie Ding, Yu-Shan Liu","doi":"10.1007/s12598-024-02772-z","DOIUrl":null,"url":null,"abstract":"<p>Efficient bifunction electrocatalyst is extremely interesting for electrochemical overall water splitting (OWS). Herein, a new RuO<sub>2</sub>-Ru/MoO<sub>2</sub>@CC (RRM/CC) bifunctional electrocatalyst was prepared via a solid phase reaction strategy. To obtain a suitable precursor for SPR, MoS<sub>2</sub> nanosheets and RuO<sub>2</sub> nanoparticles (NPs) were sequentially loaded onto carbon cloth conductive substrate. Subsequently, the prepared RuO<sub>2</sub>/MoS<sub>2</sub>/CC precursor was sealed in a furnace and annealed in Ar to trigger the redox SPR. After SPR, active RuO<sub>2</sub>-Ru/MoO<sub>2</sub> units containing metal–metal oxide interfaces were formed on CC substrate uniformly. The optimized RRM/CC sample annealed at 400 °C exhibited a overpotential of 13 mV for hydrogen evolution reaction (HER) and 231 mV for oxygen evolution reaction (OER) at 10 mA·cm<sup>−2</sup> under alkaline condition, respectively, which can be deduced to the modulated electronic structure and unique hierarchical structure. In addition, a low cell voltage of 1.48 V for OWS was required at 10 mA·cm<sup>−2</sup> under alkaline condition. Meanwhile, RRM/CC exhibited excellent pH-independent durability.</p><h3 data-test=\"abstract-sub-heading\">Graphical abstract</h3>","PeriodicalId":749,"journal":{"name":"Rare Metals","volume":null,"pages":null},"PeriodicalIF":9.6000,"publicationDate":"2024-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Construction of RuO2-Ru/MoO2@carbon cloth bifunctional electrocatalyst for efficient overall water splitting\",\"authors\":\"Jia-Lin Cai, Jing-Yi Fan, Xu-Dong Zhang, Xin Xie, Wan-Yu Tian, Xin-Gang Zhang, Jie Ding, Yu-Shan Liu\",\"doi\":\"10.1007/s12598-024-02772-z\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>Efficient bifunction electrocatalyst is extremely interesting for electrochemical overall water splitting (OWS). Herein, a new RuO<sub>2</sub>-Ru/MoO<sub>2</sub>@CC (RRM/CC) bifunctional electrocatalyst was prepared via a solid phase reaction strategy. To obtain a suitable precursor for SPR, MoS<sub>2</sub> nanosheets and RuO<sub>2</sub> nanoparticles (NPs) were sequentially loaded onto carbon cloth conductive substrate. Subsequently, the prepared RuO<sub>2</sub>/MoS<sub>2</sub>/CC precursor was sealed in a furnace and annealed in Ar to trigger the redox SPR. After SPR, active RuO<sub>2</sub>-Ru/MoO<sub>2</sub> units containing metal–metal oxide interfaces were formed on CC substrate uniformly. The optimized RRM/CC sample annealed at 400 °C exhibited a overpotential of 13 mV for hydrogen evolution reaction (HER) and 231 mV for oxygen evolution reaction (OER) at 10 mA·cm<sup>−2</sup> under alkaline condition, respectively, which can be deduced to the modulated electronic structure and unique hierarchical structure. In addition, a low cell voltage of 1.48 V for OWS was required at 10 mA·cm<sup>−2</sup> under alkaline condition. Meanwhile, RRM/CC exhibited excellent pH-independent durability.</p><h3 data-test=\\\"abstract-sub-heading\\\">Graphical abstract</h3>\",\"PeriodicalId\":749,\"journal\":{\"name\":\"Rare Metals\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":9.6000,\"publicationDate\":\"2024-06-05\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Rare Metals\",\"FirstCategoryId\":\"88\",\"ListUrlMain\":\"https://doi.org/10.1007/s12598-024-02772-z\",\"RegionNum\":1,\"RegionCategory\":\"材料科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"MATERIALS SCIENCE, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Rare Metals","FirstCategoryId":"88","ListUrlMain":"https://doi.org/10.1007/s12598-024-02772-z","RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
Construction of RuO2-Ru/MoO2@carbon cloth bifunctional electrocatalyst for efficient overall water splitting
Efficient bifunction electrocatalyst is extremely interesting for electrochemical overall water splitting (OWS). Herein, a new RuO2-Ru/MoO2@CC (RRM/CC) bifunctional electrocatalyst was prepared via a solid phase reaction strategy. To obtain a suitable precursor for SPR, MoS2 nanosheets and RuO2 nanoparticles (NPs) were sequentially loaded onto carbon cloth conductive substrate. Subsequently, the prepared RuO2/MoS2/CC precursor was sealed in a furnace and annealed in Ar to trigger the redox SPR. After SPR, active RuO2-Ru/MoO2 units containing metal–metal oxide interfaces were formed on CC substrate uniformly. The optimized RRM/CC sample annealed at 400 °C exhibited a overpotential of 13 mV for hydrogen evolution reaction (HER) and 231 mV for oxygen evolution reaction (OER) at 10 mA·cm−2 under alkaline condition, respectively, which can be deduced to the modulated electronic structure and unique hierarchical structure. In addition, a low cell voltage of 1.48 V for OWS was required at 10 mA·cm−2 under alkaline condition. Meanwhile, RRM/CC exhibited excellent pH-independent durability.
期刊介绍：
Rare Metals is a monthly peer-reviewed journal published by the Nonferrous Metals Society of China. It serves as a platform for engineers and scientists to communicate and disseminate original research articles in the field of rare metals. The journal focuses on a wide range of topics including metallurgy, processing, and determination of rare metals. Additionally, it showcases the application of rare metals in advanced materials such as superconductors, semiconductors, composites, and ceramics.
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