The influence of surface textural properties and adsorption temperature on H2 adsorption and storage performance of MIL-88B(Fe) MOFs

Authors

Tawanda Matamba, Edith Cowan UniversityFollow
Samira Sadeghi, Edith Cowan UniversityFollow
Hussein Rasool Abid, Edith Cowan UniversityFollow
Masoumeh Zargar, Edith Cowan UniversityFollow
Alireza Keshavarz, Edith Cowan UniversityFollow
Stefan Iglauer, Edith Cowan UniversityFollow

Author Identifier

Tawanda Matamba: https://orcid.org/0000-0002-8703-2755

Samira Sadeghi: https://orcid.org/0009-0001-6573-1264

Hussein Rasool Abid: https://orcid.org/0000-0003-3368-371X

Masoumeh Zargar: https://orcid.org/0000-0001-9811-6156

Alireza Keshavarz: https://orcid.org/0000-0002-8091-961X

Stefan Iglauer: https://orcid.org/0000-0002-8080-1590

Document Type

Journal Article

Publication Title

Renewable Energy

Volume

248

Publisher

Elsevier

School

Centre for Sustainable Energy and Resources / School of Engineering

Comments

Matamba, T., Sadeghi, S., Abid, H. R., Zargar, M., Keshavarz, A., & Iglauer, S. (2025). The influence of surface textural properties and adsorption temperature on H2 adsorption and storage performance of MIL-88B (Fe) MOFs. Renewable Energy, 248, 123185. https://doi.org/10.1016/j.renene.2025.123185

Abstract

To advance the establishment of a stable H2 economy we need to solve the issue regarding its storage. The physicochemical properties of Metal Organic Frameworks (MOFs) make them suitable for H2 storage. Therefore, here, we synthesized two Iron-based MOFs (12-MIL-88 B(Fe), 24-MIL-88 B(Fe) at different reaction times (12 h and 24 h), to investigate the relationship between adsorption temperature and pressure with the material's surface textural properties towards H2 storage (at 30 °C, 0 °C, −78.5 °C, and −196.15 °C and from vacuum pressure to 55 bar). Results showed that at 30 °C and 0 °C adsorption temperature, H2 adsorption capacity of 24-MIL-88 B(Fe) was higher than 12-MIL-88 B(Fe) suggesting that at this condition the adsorption performance of the material is dependent on pore volume, surface area, and adsorption pressure. Adsorption tests conducted at −78.5 °C and cryogenic temperature (−196.15 °C) the adsorption capacity of 12-MIL-88 B(Fe) was constantly higher than 24-MIL-88 B(Fe) suggesting that at very low temperatures the pore size of material influence its adsorption performance. Notably, at all the temperatures studied, adsorption pressure continued to positively promote the amount of H2 adsorption. Results from this study can help in selecting the best material for H2 storage under different temperature conditions.

DOI

10.1016/j.renene.2025.123185

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 License.