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太阳能驱动的自漂浮MXene-rGO气凝胶用于甲酸制氢

Solar Driven Self-Floating MXene-rGO Aerogel for Hydrogen Production From Formic Acid

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【作者】 刘琨王睿李印实

【Author】 LIU Kun;WANG Rui;LI Yinshi;Key Laboratory of Thermo-Fluid Science and Engineering of Ministry of Education, School of Energy and Power Engineering, Xi’an Jiaotong University;School of Chemical Engineering and Technology, Xi’an Jiaotong University;

【通讯作者】 李印实;

【机构】 西安交通大学能源与动力工程学院热流科学与工程教育部重点实验室西安交通大学化学工程与技术学院

【摘要】 利用丰富的太阳能资源转化为绿色清洁能源具有成本低、无污染等特点,展现出了广阔的应用前景。本文提出了一种太阳能驱动的漂浮式制氢方法,通过界面加热和传质增强,实现了光热的迅速转换以及传质速率的提升。研究结果表明,漂浮式系统在1 k W m-2的光照下,利用甲酸实现了72.1 mmol g-1 h-1的制氢速率,且在5次循环后依然维持稳定。另外,漂浮式系统在催化剂回收的过程中,节省了过滤等耗能手段,进一步证实了漂浮式系统在太阳能室温制氢中的应用潜力。

【Abstract】 The utilization of abundant solar energy resources in the production of green and clean energy exhibits the characteristics of cost-effectiveness and environmental friendliness, thereby demonstrating a wide range of potential applications. Herein, this work presents the solar-driven floating hydrogen production system, which effectively achieves rapid photothermal conversion and enhances mass transfer rates through interfacial heating and improved mass transfer. The results demonstrate that the system achieves a hydrogen evolution rate of 72.1 mmol g-1h-1utilizing formic acid under an irradiation intensity of 1 kW m-2and maintains excellent stability even after undergoing five cycles. More importantly, the floating system also demonstrates its potential for the application of solar energy in room-temperature hydrogen production by efficiently saving energy-consuming processes like filtration during catalyst utilization.

【基金】 国家自然科学基金(No.52176204,No.22208259);陕西省创新人才推进计划–科技创新团队(No.2024RS-CXTD-35)
  • 【文献出处】 工程热物理学报 ,Journal of Engineering Thermophysics , 编辑部邮箱 ,2025年07期
  • 【分类号】TQ116.2
  • 【下载频次】33
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