Research Article
Electrochemical Performance Measurements of PBI-Based High-Temperature PEMFCs
Table 5
Warburg impedance in 5 wt.% PBI-based MEAs.
| Temperature () | Warburg impedance (R, Ohm-cm2) | (s) |
| 140 | 2.26 | 0.023 | 160 | 2.37 | 0.019 | 180 | 1.84 | 0.017 | 200 | 1.45 | 0.020 |
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