Boundary (Figure 1)

Condition expressions

Anode inlet (Boundary AI-BI)

, ,

Cathode inlet (Boundary GI-HI)

, ,

Anode outlet (Boundary A-B)

Cathode outlet (Boundary G-H)

Anode flow channel-anode diffusion layer interface (Boundary B-BI)

,

cathode flow channel-cathode diffusion layer interface (Boundary G-GI)

,

Anode diffusion layer-anode reaction layer interface(Boundary C-CI)

, ,

Cathode diffusion layer-cathode reaction layer interface (Boundary F-FI)

, ,

Anode reaction layer-electrolyte interface

(Boundary D-DI)

, ,

Cathode reaction layer-electrolyte interface (Boundary E-EI)

, ,