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压缩对CPO-27 ((Ni) 的纹理和结构性质的影响

Gabriel Trierweiler Gonçalves^1,2, Laure Michelin^1,2, Ludovic Josien^1,2

¹Université de Haute-Alsace, CNRS, Institut de Science des Matériaux de Mulhouse (IS2M), UMR 7361, Axe Matériaux à Porosité Contrôlée (MPC), F-68100 Mulhouse, France.

Molecules (Basel, Switzerland)

|October 14, 2023

概括

将金属有机框架 (MOF) 压缩成颗粒会影响其性能. 低压缩力保留了CPO-27的大部分纹理特性,使颗粒化适用于工业应用.

科学领域:

材料科学材料科学材料科学
化学工程是化学工程的重要组成部分.
纳米技术纳米技术

背景情况:

粉末金属有机框架 (MOF) 面临着工业加工和安全方面的挑战.
开发固态形式的MOF对于可扩展的应用至关重要.

研究的目的:

调查压缩对CPO-27的纹理,结构和热性能的影响.
为了确定MOF颗粒化的最佳压缩参数.

主要方法:

通过水溶热条件合成CPO-27 (Ni).
将CPO-27 (Ni) 粉压缩成无粘合剂颗粒 (5-90 kN).
使用吸附/脱附,热重力测量分析和粉末X射线衍射进行表征.

主要成果:

随着压缩力的增加,CPO-27 (Ni) 的纹理和结构性能下降.
在压缩力超过70kN时,热稳定性受到损害.
在5-10kN压缩的颗粒保留了超过94%的初始纹理特性.

结论:

低压缩力 (5-10 kN) 适用于颗粒化CPO-27 (Ni),同时保持关键性质.
高压缩力显著降低了MOF的性能.
无粘合剂颗粒化CPO-27 (Ni) 在特定的力限范围内可用于工业用途.

关键词:

CPO-27-Ni 是一种有氧化物.MOF MOF MOF MOF MOF MOF MOF MOF MOF MOF MOF MOF MOF MOF MOF MOF MOF MOF MOF MOF MOF MOF 在X射线中,X射线的衍射效果是不同的.吸附吸附是一种吸附.压缩压缩的压缩方式优化的优化优化优化.颗粒化颗粒化塑造塑造塑造塑造

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