Random triples
| Subject | Object |
|---|---|
| gptkb:Vanadium_redox_flow_battery | Proton exchange membrane |
| gptkb:Vanadium_redox_flow_battery | Ion exchange membrane |
| Subject | Object |
|---|---|
| gptkb:Vanadium_redox_flow_battery | Proton exchange membrane |
| gptkb:Vanadium_redox_flow_battery | Ion exchange membrane |