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面向强化甲醇制氢反应的镍基催化炭膜制备

作者：于鑫¹，李欣明¹，祝子毅¹，焦点¹，张兵¹，邱萍²

单位： 1. 沈阳工业大学石油化工学院，辽阳 111003； 2. 中国石油大学（北京）新能源与材料学院，北京 102249

关键词：氧化镍；炭膜；气体分离；膜反应器；甲醇制氢

DOI号： 10.16159/j.cnki.issn1007-8924.2026.02.010

分类号： TQ028.8

出版年,卷(期):页码： 2026,46(2):96-102

摘要：

构建由兼具催化与分离双功能膜材料组装的膜反应器，有望从热力学与动力学双重方面提升甲醇制氢反应效果。本研究将NiO作为催化活性组分引入炭膜基体，制备了催化炭膜。采用热重分析、红外光谱、扫描电子显微镜、X射线衍射等表征手段，系统考察了膜材料的热稳定性、官能团结构、组分分布及微观形貌。考察了NiO用量对催化炭膜的分离性能及制氢反应的影响。结果表明，当NiO负载量为0.8%时，所制备的催化炭膜对H2的渗透性达554.92 Barrer，H2/N2选择性为42.39；在常压320 ℃反应条件下，膜反应器内甲醇转化率达99.88%，氢气收率达53.68%，展现出显著的反应分离协同强化效果。

A membrane reactor constructed by membrane materials with dual functions of catalysis and separation is expected to enhance the performance of methanol-to-hydrogen conversion from both thermodynamic and kinetic perspectives. Herein, catalytic carbon membranes were prepared by incorporating NiO as active catalytic component into the matrix of carbon membrane. Thermogravimetric analysis, infrared spectroscopy, scanning electron microscopy and X-ray diffraction were employed to systematically investigate the thermal stability, functional group structure, component distribution and microstructure of the membrane materials. The effect of NiO amount on the separation performance and the hydrogen production performance of resultant catalytic carbon membranes was investigated. The results showed that when the NiO loading is 0.8%, the prepared catalytic carbon membrane exhibited a H2 permeability of 554.92 Barrer and a H2/N2 selectivity of 42.39. Under reaction conditions at 320 ℃ and ambient pressure, the membrane reactor achieved a methanol conversion of 99.88% and a hydrogen yield of 53.68%, demonstrating a significant synergistic enhancement between reaction and separation.

基金项目：

辽宁省“兴辽英才计划”科技创新团队项目(XLYC2404028)；辽宁省教育厅重点科研项目(LJ222510142001)

作者简介：

于鑫（2001-），男，辽宁大连人，硕士研究生，研究方向为催化炭膜制备及应用基础

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