Proton exchange membrane fuel cell has the advantages of high energy conversion efficiency and environmental friendliness.However,due to various constraints,fuel cells are still some way from large-scale application.Proper water management is the premise of stable operation of PEMFC.The research progress of fuel cell drainage technology was introduced,including the methods of using an excess amount of gas drainage,purging drainage,gravity drainage,passive drainage,optimal design of field and modification of corresponding materials to promote drainage.The effective drainage method could avoid"w...
