ELECTROCHEMICAL HYDROGEN SEPARATION FROM REFORMATE USING POLYBENZIMIDAZOLE/MOF COMPOSITE MEMBRANES

Date

2022-01-01

Author

Durmuş, Gizem Nur Bulanık
Eren, Enis Oğuzhan
Devrim, Yılser
Çolpan, Can Özgür
Özkan, Necati

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This study introduces the experimental results of a high-temperature electrochemical hydrogen purification (ECHP) cell through poly 2.2-m-phenylene-5.5-bibenzimidazole/metal organic framework (PBI/MOF) composite membranes in the temperature range of 140°C-180°C. Synthesis of ZIF-8 and UiO-66 MOFs was conducted through a typical solvothermal method, and composite membranes containing 2.5 wt. %. MOF was fabricated. Experiments were conducted with pure hydrogen (H2) and reformate gas mixtures containing H2, carbon monoxide (CO), and carbon dioxide (CO2). A gas chromatography device (GC) was used to analyze the gas composition at the exit of the ECHP cell. The final output H2 purity was found to be >99.9 % for the H2/CO2/CO mixed-phase and >99.7% for the H2/CO mixed phase.

Subject Keywords

Electrochemical hydrogen separation, Metal-organic framework, UIO-66, ZIF-8

URI

https://hdl.handle.net/11511/107116

Collections

Graduate School of Natural and Applied Sciences, Conference / Seminar