Components

Dimension

Characteristics

Porosity [-]

Effective thermal conductivity [W/(m∙K)]

Polymer electrolyte membrane (PEM)

50.0 mm × 50.0 mm × 0.025 mm

Nafion NRE-211 (produced by Du Pont Corp.)

0.28

0.195

Catalyst layer

50.0 mm × 50.0 mm × 0.01 mm

Pt/C (20 wt% loading)

0.78

0.27

Micro porous layer (MPL)

50.0 mm × 50.0 mm × 0.003 mm

Mixture of carbon black and PTFE

0.60

1.0

Gas diffusion layer (GDL)

50.0 mm × 50.0 mm × 0.11 mm

TGP-H-030 (produced by Toray Corp.)

0.78

1.7

Separator

75.4 mm × 75.4 mm × 2.0 mm (saddle thickness = 1.0 mm, channel height = 1.0 mm) or 1.5 mm (saddle thickness = 0.5 mm, channel height = 1.0 mm) or 1.0 mm (saddle thickness = 0.5 mm, channel height = 0.5 mm)

Carbon graphite, separator

0.15

2