Table 13.2
Comparison of various hydrogen storage modes for fuel cell vehicles
Hydrogen
storage mode
Comparison
Volume
energy
density
Hydrogen
storage
pressure/MPa
Hydrogen storage
vessel
Difficulty of storage technology
Driving
distance
Cost
Application
degree
High-pressure
hydrogen
storage
Small
30
Carbon
fiber wound
composite cylinder
The difficulty is relatively low and
industrialization has been realized
Relative
short
Relative
low
Widely
Hydrogen
storage in liquid
hydrogen
Relative
large
0.4
Vacuum
super-insulated
hydrogen storage fuel
tank
It is difficult to keep ultralow
temperature
Long
High
GM, BMW
Metal hydrides
hydrogen
storage
Relative
large
<5
Hydride PEMFC
hydrogen storage fuel
tank
Less mass storage density and
larger weight of hydrogen storage
container
Relative
short
Relative
low
Toyota,
Mercedes-Benz,
etc.
13.2 Hydrogen Transmission and Hydrogenation Characteristics …
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