Ball milling time (h)

Hydrogen absorption conditions

Hydrogen absorption capacity (wt%)

References

2

295 K, 400 bar

1.4

[44]

10

295 K, 50 bar

1.09

[45]

2

295 K, 40 bar

1.35

[44]

2

295 K, 20 bar

~1.0

[44]

2

308 K, 60 bar

~1.0

[46]

20

298 K, 250 bar

1.3

[47]

36

303 K, ~80 bar

1.5

[18] [18]

38

RTa, ~27 bar

~1.1

[48]

40

RT, ~19 bar

0.94

[49]

90

298 K, 50 bar

~1.3

[50]

2

RT, 20 bar

0.9

[37]

6

RT, 20 bar

1.0

[37]