Sample

Steady-state period

(h)

Current density at steady-state period

(mA·cm−2)

Voltage loss at the end of steady-state period

(%)

Voltage decay rate

(µV·h−1)

Power density loss at the end of steady-state period (%)

Power density decay rate

(µW·cm−2·h−1)

Cel 1 MEA 3

491.38

577.88

93.12

1116.0

88.33

640.0

Cel 1 MEA 5

505.10

599.60

5.56

60.0

1.38

10.0

Cel 1 MEA 10

668.80

622.77

6.59

60.0

3.39

20.0

Cel 1 MEA 11

524.90

585.67

3.64

40.0

2.92

20.0

Cel 1 MEA 12

668.20

535.17

17.11

160.0

16.58

80.0

Cel 2 MEA 1

426.42

587.55

2.59

37.0

0.42

3.6

Cel 4 MEA 2

249.40

623.08

53.55

1300.0

51.43

790.0

Cel 5 MEA 3

504.50

658.25

4.58

60.0

2.58

20.0

Cel 5 MEA 4

361.22

573.48

6.07

100.0

5.83

60.0

Cel 5 MEA 5

399.52

663.96

34.33

520.0

36.66

380.0

Cel 5 MEA 6

610.72

679.51

8.84

90.0

6.54

40.0

Cel 5 MEA 7

265.8

638.71

3.08

70.0

3.86

60.0

Median value

497.940

611.185

6.33

80

4.845

50