Table. 1 Details of cell setups reported in the literature for alkaline water electrolysis with a Zirfon separator and PGM free electrodes
Ref. | KOH (wt.%) | Temp. (°C) | Cathode | Anode | Flow (ml·min−1) | Electrode area (cm2) | Transport/contact layer |
|---|---|---|---|---|---|---|---|
This work | 30% | 70 | Ni 450 μm foam | Ni 450 μm foam | 350–1600 | 4 | 3000 μm Ni foam |
This work | 30% | 70 | Raney-Ni 450 μm foam | Raney-Ni 450 μm foam | 350–1600 | 4 | 3000 μm Ni foam |
30% | 80 | Raney Ni perforated plates | Raney Ni perforated plates | 50 | 25 | Flow field (shape N/S) | |
5%a | 80 | Stainless steel expanded mesh | Stainless steel expanded mesh | 80 | 10 | Serpentine flow field | |
30% | 80b | Ni plate with channels | Ni plate with channels | 0.048–288 | 19.63 | Flow field (shape N/S) | |
24% | 80 | Ni foam | Ni perforated sheet | 50 | 25 | Flow field (shape N/S) | |
24% | 80 | Raney Ni perforated sheet | Raney Ni perforated sheet | 50 | 25 | Flow field (shape N/S) | |
30% | 80 | Ni foam | Ni foam | 450 | 34.56 | Serpentine flow field | |
30% | 80 | Raney Ni foam | NiFe-LDH foam | 450 | 34.56 | Serpentine flow field | |
26% (6 M) | 70 | Raney Ni multimesh | Raney Ni multimesh | Unknown | 4 | Knitted Ni wire | |
N/S | 80 | Ni foam | Ni foam | 100 | 5 | Serpentine flow field | |
30% | 80 | Raney Ni foam | NiFe-LDH foam | 400 | 36 | Ni foam | |
30% | 80 | Porous Raney Ni | Porous NiFe-LDH | 400 | 25 | Serpentine flow field | |
26% (6 M) | 80 | Ni foam | Ni foam | 50 | 4 | Serpentine flow field | |
30% | 80 | Raney nickel foam | NiFe-LDH foam | 1000 | 34.56 | Porous transport layer |
