alloy

hydrogen capacity

(wt.%)

Hydrogen absorption plateaupressure (MPa)

Hydrogen desorption plateaupressure

(MPa)

Hydrogen release enthalpy

(kJ/mol H₂)

TiFe [52]

1.50

0.64 (298 K)

0.41 (298 K)

28.1

TiF_e0.95Mn_0.05 [31]

1.60

1.05 (328 K)

0.4 (298 K)

32.3

TiFe_0.90Mn_0.1 [31]

1.40

0.95 (328 K)

0.30 (298 K)

31.5

TiFe_0.85Mn_0.15 [31]

1.28

0.62 (328 K)

0.26 (298 K)

29.3

TiFe_0.8Ni_0.2 [52]

1.30

0.06 (298 K)

0.01 (298 K)

41.2

Ti_45.4Fe_45.4Zr_2.55Mn_6.55 [32]

1.66

0.50 (303 K)

0.20 (303 K)

23.4

Ti_44.5Fe_44.5Zr_2.5Mn_6.5Nb₂ [32]

2.04

0.39 (303 K)

0.18 (303 K)

23.1

Ti_44.5Fe_44.5Zr_2.5Mn_6.5Nb₂ [32]

2.11

0.26 (303 K)

0.12 (303 K)

26.6

Ti_41.8Fe_41.8Zr_2.35Mn_6.05Nb₈ [32]

2.07

0.23 (303 K)

0.11 (303 K)

27.1

Ti_52.63Fe_45.26Mn_1.05Cu_1.05 [53]

1.83

0.50 (298 K)

0.06 (298 K)

37.6

TiCr_1.8 [52]

2.43

0.23 (298 K)

0.11 (298 K)

20.2

TiMn_1.5 [52]

1.86

0.90 (298 K)

0.84 (298 K)

28.7

TiMn_1.4V_0.62 [52]

2.15

0.50 (298 K)

0.36 (298 K)

28.6

Ti_34.9Mn_42.5V_17.3(Zr_0.6Cr_1.4Fe_3.2) [41]

1.32

0.60 (300 K)

0.47 (300 K)

29.9

Ti₃₂Mn_46.8V₁₄Ni_6.1(Zr_0.7Cr_1.2Fe_3.2) [41]

1.64

2.55 (300 K)

1.89 (300 K)

26.3

Ti_33.3Mn_44.1V_15.3(Zr_0.6Cr_1.6Fe_4.9) [41]

1.30

2.21 (298 K)

1.76 (298 K)

28.7

Ti_28.6Mn_50.9V_11.1(Zr_0.7Cr_4.5Fe_4.1) [41]

1.39

7.79 (297 K)

4.68 (297 K)

24.8

Ti_0.95Mn_1.3Zr_0.05Cr_0.5V_0.2 [42]

1.84

4.90 (303 K)

2.73 (303 K)

21.1

Ti_0.95Mn_1.1Zr_0.05Cr_0.7V_0.2 [42]

1.81

3.55 (303 K)

2.49 (303 K)

21.2

Ti_0.95Mn_0.9Zr_0.05Cr_0.9V_0.2 [42]

1.78

2.64 (303 K)

2.30 (303 K)

21.6

Ti_0.95Mn_1.6Sc_0.05V_0.4 [43]

2.20

0.65 (293 K)

0.36 (293 K)

12.0

Ti_0.85Mn_1.6Sc0_.15V_0.4 [43]

2.26

0.13 (293 K)

0.07 (293 K)

13.9

Ti_0.80Mn_1.6Sc_0.20V_0.4 [43]

2.27

0.06 (293 K)

0.04 (293 K)

15.1

Ti_0.8Mn_0.92Zr_0.2Cr_0.87Fe_0.21 + 0Cu [46]

1.84

0.37 (298 K)

0.20 (298 K)

20.1

Ti_0.8Mn_0.92Zr_0.2Cr_0.87Fe_0.21 + 3Cu [46]

1.85

0.35 (298 K)

0.21 (298 K)

25.5

Ti_0.8Mn_0.92Zr_0.2Cr_0.87Fe_0.21 + 5Cu [46]

1.90

0.34 (298 K)

0.26 (298 K)

26.4

(Ti_0.85Zr_0.15)_1.1Cr_0.95Mo_0.05Mn [47]

1.76

1.02 (303 K)

0.78 (303 K)

26.0

(Ti_0.85Zr_0.15)_1.1Cr_0.90Mo_0.10Mn [47]

1.75

1.06 (303 K)

0.87 (303 K)

19.0

(Ti_0.85Zr_0.15)_1.1Cr_0.80Mo_0.20Mn [47]

1.65

0.53 (303 K)

0.45 (303 K)

16.0