Table 2. Comparison of Hydrogen Getter Content and Hydrogen Absorption Capacity of Different Polymer Getter Composites Containing DEB-Pd/C as the Active Getter Material.
| hydrogen
absorption capacity (mL/g) |
|||||
|---|---|---|---|---|---|
| polymer getter composite | polymer substrate | wt % of DEB-Pd/C | normalized conversion of DEB | theore.a | exp. |
| ref20 | low-density polyethylene | 30 | 0.80b | 72.4 | 57.9b |
| ref21 | silicone foam | 40 | 0.85c | 96.5 | 82.0c |
| ref5 | silicone (3D-printed) | 5.3 | 0.50d | 12.8 | 6.4d |
| this work | silicone (3D-printed) | 50 | 0.83e | 120.7 | 100.2e |
a
Calculated considering complete DEB conversion.
b
Measured at 2 bar (∼1,500,000 mTorr) hydrogen pressure.
c
Measured at 6666 pa (∼50,000 mTorr) of hydrogen pressure.
d
Measured at 750 mTorr of hydrogen pressure.
e
Measured at 750 mTorr of hydrogen pressure.