Layers of Nanocrystalline SiC as a New Type of Solid-State Hydrogen Storage

Table 1

Characteristics of the investigated film types.

Film type	Integrative ratio Si/C (at/at)	Average nanocrystal size (nm)	Desorbed hydrogen amount (Н2/cm^3)	Absorption capacity, calculated for dense (3.21 g/cm^3) SiC film, (wt.%)
1	2	3	4	5
A	1.24	60–80	5.0 × 10^22	4.98
B	1.30	50–70	4.4 × 10^22	4.38
C	1.56	20–40	5.5 × 10^22	5.48
Single-crystalline SiC	1.03