Drainage terminal for composite collector plate

The utility model discloses a drainage terminal for a composite collector plate, and belongs to the field of fuel cells. The composite collector plate comprises an end plate, a collector plate is arranged on one side of the end plate, and an insulating plate is arranged between the collector plate and the end plate; wherein the drainage terminal comprises a fixed column which passes through and is fixed on the composite collector plate; the insulating ferrule is sleeved outside the fixed column, so that a preset gap is reserved between the fixed column and the composite collector plate; and the copper coil is sleeved outside the insulating ferrule and is in contact with the collector plate. According to the utility model, the insulating sleeve is additionally arranged outside the fixed column, and the external circuit is sleeved outside the insulating sleeve, so that the external circuit is ensured to be tightly connected with the collector plate but insulated from the end plate. The structure has the followi