Computational simulation and experimental evaluation on anodic flow field structures of micro direct methanol fuel cells

► Both mass and heat transfers in the DMFC were investigated using a 3D numerical model. ► Four types of anodic flow fields were modeled and experimentally compared. ► Double-serpentine flow field shows favorable velocity and temperature distributions. ► The maximum power density of a DMFC with double-serpentine flow field is 34.2 mW cm−2.