| 部分磷化双金属中心集成制备高性能三功能催化剂用于制氢和柔性锌-空气电池（英文） |
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| 作者姓名： | 杨淼森 刘亦帆 孙甲强 张书胜 刘熙俊 罗俊 |
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| 作者单位： | 1. School of Chemical Engineering, Northeast Electric Power University;2. Nanchang Institute of Technology;3. College of Physics and Optoelectronic Engineering, Shenzhen University;4. State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences;5. College of Chemistry, Zhengzhou University;6. Institute for New Energy Materials & Low-Carbon Technologies and Tianjin Key Lab for Photoelectric Materials & Devices, School of Materials Science and Engineering, Tianjin University of Technology;7. MOE Key Laboratory of New Processing Technology for Non-Ferrous Metals and Materials, and Guangxi Key Laboratory of Processing for Non-Ferrous Metals and Featured Materials, School of Resource, Environments and Materials, Guangxi University |
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| 基金项目： | financially supported by the National Natural Science Foundation of China (22075211, 62005173 and 21601136)；;the Science and Technology Development Fund of Tianjin Education Commission for Higher Education (2018KJ126)； |
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| 摘 要： | ![]()
开发高效且性能稳定的氧析出(OER)、氧还原(ORR)和氢析出(HER)三功能催化剂是制备能源存储与转换设备的关键.本文使用一步磷化法,在氮磷共掺杂碳基上制备了Fe Co金属合金/磷化物催化剂(Fe Co-P/PNC).该催化剂显示了良好的ORR性能,展现了0.86 V (vs.RHE,相对于可逆氢电极)的半波电位;在OER和HER反应中,催化剂在10 m A cm-2的电流密度下的过电位分别为350和158 m V.密度泛函理论计算表明,磷在Fe Co磷化物和碳基体中皆起主导作用,使得该催化剂同时具有良好的ORR、OER和HER功能.以Fe Co-P/PNC为空气阴极组装的水系电池和柔性锌-空气电池的峰值功率密度分别为195.1和90.8 m W cm-2,且两种电池均具有优异的充放电性能、长寿命和高柔性.此外,自供能的整体水分解系统表现出较低的(1.71 V)工作电压以驱动10 m A cm-2的电流密度,进一步证实了该催化剂出色的多功能性.
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