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首页> 外文期刊>Advanced energy materials >A Perovskite Nanorod as Bifunctional Electrocatalyst for Overall Water Splitting
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A Perovskite Nanorod as Bifunctional Electrocatalyst for Overall Water Splitting

机译：钙钛矿纳米棒作为用于整体水分解的双功能电催化剂

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摘要

The development of highly efficient and low-cost electrocatalysts for oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) is paramount for water splitting associated with the storage of clean and renewable energy. Here, this study reports its findings in the development of a nanostructured perovskite oxide as OER/HER bifunctional electrocatalyst for overall water splitting. Prepared by a facile electrospinning method, SrNb0.1Co0.7Fe0.2O3- perovskite nanorods (SNCF-NRs) display excellent OER and HER activity and stability in an alkaline solution, benefiting from the catalytic nature of perovskites and unique structural features. More importantly, the SNCF-NR delivers a current density of 10 mA cm(-2) at a cell voltage of merely approximate to 1.68 V while maintaining remarkable durability when used as both anodic and cathodic catalysts in an alkaline water electrolyzer. The performance of this bifunctional perovskite material is among the best ever reported for overall water splitting, offering a cost-effective alternative to noble metal based electrocatalysts.
机译：氧气释放反应（OER）和氢气释放反应（HER）的高效，低成本电催化剂的开发对于与清洁和可再生能源的存储相关的水分解至关重要。在此，本研究报告了其在作为整体水分解的OER / HER双功能电催化剂的纳米钙钛矿氧化物的开发中的发现。 SrNb0.1Co0.7Fe0.2O3-钙钛矿纳米棒（SNCF-NRs）通过简便的静电纺丝方法制备，在碱性溶液中显示出出色的OER和HER活性以及稳定性，这得益于钙钛矿的催化性质和独特的结构特征。更重要的是，SNCF-NR在仅约1.68 V的电池电压下可提供10 mA cm（-2）的电流密度，同时在碱性水电解槽中用作阳极和阴极催化剂时，仍可保持出色的耐久性。这种双功能钙钛矿材料的性能是有史以来记录的最全面的水分解性能之一，为贵金属基电催化剂提供了一种经济高效的替代品。

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  • 来源
    《Advanced energy materials》 |2017年第8期|1602122.1-1602122.9|共9页
  • 作者

    Zhu Yinlong; Zhou Wei; Zhong Yijun; Bu Yunfei; Chen Xiaoyang; Zhong Qin; Liu Meilin; Shao Zongping;

  • 作者单位

    Nanjing Tech Univ, Coll Chem Engn, State Key Lab Mat Oriented Chem Engn, Jiangsu Natl Synerget Innovat Ctr Adv Mat SICAM, 5 Xin Mofan Rd, Nanjing 210009, Jiangsu, Peoples R China;

    Nanjing Tech Univ, Coll Chem Engn, State Key Lab Mat Oriented Chem Engn, Jiangsu Natl Synerget Innovat Ctr Adv Mat SICAM, 5 Xin Mofan Rd, Nanjing 210009, Jiangsu, Peoples R China;

    Nanjing Tech Univ, Coll Chem Engn, State Key Lab Mat Oriented Chem Engn, Jiangsu Natl Synerget Innovat Ctr Adv Mat SICAM, 5 Xin Mofan Rd, Nanjing 210009, Jiangsu, Peoples R China;

    Nanjing Univ Sci & Technol, Sch Chem Engn, Nanjing 210094, Jiangsu, Peoples R China;

    Nanjing Univ Sci & Technol, Sch Chem Engn, Nanjing 210094, Jiangsu, Peoples R China;

    Nanjing Univ Sci & Technol, Sch Chem Engn, Nanjing 210094, Jiangsu, Peoples R China;

    Georgia Inst Technol, Sch Mat Sci & Engn, Ctr Innovat Fuel Cell & Battery Technol, Atlanta, GA 30332 USA;

    Nanjing Tech Univ, Coll Energy, State Key Lab Mat Oriented Chem Engn, Jiangsu Natl Synerget Innovat Ctr Adv Mat SICAM, 5 Xin Mofan Rd, Nanjing 210009, Jiangsu, Peoples R China|Curtin Univ, Dept Chem Engn, Perth, WA 6845, Australia;

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  • 正文语种 eng
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  • 关键词

    electrospinning; hydrogen evolution reaction; oxygen evolution reaction; perovskite oxide; water splitting;

    机译：静电纺丝;析氢反应;析氧反应;钙钛矿氧化物;水分解;

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