Air-cooled fuel cell bipolar plate and air-cooled fuel cell thereof

According to the bipolar plate of the air-cooled fuel cell and the air-cooled fuel cell, gas channels and ribs extend from an inlet end face to an outlet end face in a straight line, curve or broken line mode, the adjacent gas channels share the ribs, and the gas channels are arranged in an inverted trapezoid shape with small openings and wide bottom faces. And the ribs are gradually widened from rib roots to rib ends close to the membrane electrode side and are arranged in a regular trapezoid shape. The fuel cell bipolar plate can significantly reduce the loss of water in a membrane electrode, and then improves the performance of an air-cooled fuel cell. 公开了一种风冷燃料电池双极板及其风冷燃料电池，风冷燃料电池双极板中，气体流道与肋由入口端面向出口端面以直线，曲线或者折线延伸，相邻气体通道共用肋，所述气体通道呈现开口小，底面宽的倒梯形布置，所述肋从肋根到靠近膜电极侧的肋端渐宽，呈现正梯形布置。燃料电池双极板可以显著降低膜电极中水分的流失，继而提升风冷燃料电池性能。