Abstract: Disclosed is a fuel cell system. The fuel cell system of the present invention is characterized by a gas-liquid separator for removing foreign substances in air between a stack and an air supply unit. So the present invention can therefore prevent the foreign substances from being supplied to the stack and improve the function and extend the lifetime of the stack.

Abstract: The present invention relates to a fuel cell membrane humidifier which can prevent gas leakage due to repetition of driving and stopping of a fuel cell, can be manufactured with relatively low manufacturing costs and high productivity, and can suppress vibrations generated during operation. A fuel cell membrane humidifier according to an embodiment of the present invention comprises: a humidification module for humidifying air supplied from the outside with moisture in exhaust gas discharged from a fuel cell stack; and caps respectively coupled to both ends of the humidification module.

Abstract: The present invention relates to a fuel cell membrane humidifier capable of preventing humidification membranes from being damaged by pressure of exhaust gas, and a fuel cell membrane humidifier according to an embodiment of the present invention comprises: a humidification module for humidifying air supplied from the outside by using water in exhaust gas discharged from a fuel cell stack; and caps coupled to opposite ends of the humidification module, respectively, wherein the humidification module comprises: a mid-case including an exhaust gas inlet through which the exhaust gas is introduced; at least one cartridge disposed in the mid-case to receive multiple humidification membranes; and a humidification membrane protection member formed on an inner wall of the mid-case through which the exhaust gas inlet is formed and inclined toward the cartridge to thus prevent the exhaust gas from coming into direct contact with the humidification membrane.

Abstract: The present invention relates to an automatic flow rate control cartridge and a fuel cell membrane humidifier comprising same, the automatic flow rate control cartridge being capable of automatically controlling the flow rate of exhaust gas that is discharged from a fuel cell stack and is introduced into the cartridge. The automatic flow rate control cartridge according to an embodiment of the present invention comprises: an inner case having formed therein a first mesh hole portion through which the exhaust gas discharged from a fuel cell stack is introduced, and a second mesh hole portion through which the exhaust gas introduced through the first mesh hole portion is moisture-exchanged and then discharged to the outside; and a flow rate control unit that is movably formed on one surface of the inner case and controls the flow rate of the exhaust gas introduced into the first mesh hole portion according to the flow rate of the exhaust gas.

Abstract: The present invention relates to a fuel cell membrane humidifier capable of improving humidification efficiency by performing two-stage humidification, and a fuel cell system comprising same. A fuel cell membrane humidifier according to an embodiment of the present invention comprises: a dry air supply means; a fuel cell membrane humidifier which performs two-stage humidification on the dry air supplied from the dry air supply means; a fuel cell stack for generating energy and humid exhaust gas by reacting the humidified air supplied from the fuel cell membrane humidifier with hydrogen; and a bypass flow path for bypassing a portion of the exhaust gas generated in the fuel cell stack.

Abstract: The present invention relates to a fuel cell membrane humidifier, into which an exhaust gas discharged from a fuel cell stack is bidirectionally introduced to improve the humidification efficiency, and a fuel cell system comprising same. The fuel cell system according to an embodiment of the present invention comprises: a blower for supplying dry gas; a fuel cell stack; and a fuel cell membrane humidifier including a mid-case, a first exhaust gas inlet formed at one side of one surface of the mid-case, a second exhaust gas inlet formed at the other side of the one surface of the mid-case, a first exhaust gas outlet formed at one side of the other surface of the mid-case, and a second exhaust gas outlet formed at the other side of the other surface of the mid-case.

Abstract: The present invention relates to a cartridge of a fuel cell humidifier, and a fuel cell humidifier, wherein the cartridge of a fuel cell humidifier for humidifying dry gas supplied from the outside by using wet gas discharged from a fuel cell stack comprises: an inner case having an opening at an end and containing a plurality of hollow fiber membranes; and a first fixing layer and a second fixing layer for fixing the respective ends of the hollow fiber membranes. The inner case comprises: a first divided case and a second divided case for accommodating the hollow fiber membranes; and a first press-fitting member for coupling the first divided case and the second divided case in a press-fit manner.

Abstract: The present disclosure provides a fuel cell humidifying system for supplying humidified air to the fuel cell, and The fuel cell humidifying system according to an embodiment of the present disclosure includes: a plurality of humidifying modules configured to humidify battery gas to be supplied to a fuel cell stack by using wet gas; a humidifier configured to supply wet gas to the humidifying modules and discharge the wet gas discharged from the humidifying modules; a supply cap coupled to one side of the wet part to supply the battery gas to the humidifying modules; and a discharge cap coupled to the other side of the wet part to discharge the battery gas discharged from the humidifying modules to the fuel cell stack, and each of the humidifying modules comprises a cartridge coupled to a plurality of hollow fiber membranes, a mid-case coupled to one or more cartridges, a supply hole formed through the mid-case so that wet gas is supplied into the mid-case, and a discharge hole formed through the mid-case so t

Abstract: The present invention relates to a cartridge of a humidifier for a fuel cell for humidifying dry gas supplied from the outside by using wet gas discharged from a fuel cell stack, and a humidifier for a fuel cell, the cartridge comprising: an inner case having openings at each end thereof and containing a plurality of hollow fiber membranes; a gas inlet and a gas outlet formed in the inner case; and an adjustment cover movably coupled to the inner case, and adjusting at least one of an inflow area through which the wet gas or the dry gas flows through the gas inlet, and an outflow area through which the wet gas or the dry gas flows out through the gas outlet.

Abstract: The present invention relates to a fuel cell membrane humidifier and a fuel cell system comprising same, wherein exhaust gas discharged from a fuel cell stack is introduced into a fuel cell membrane humidifier in both directions, whereby the humidification efficiency can be improved. The fuel cell system according to an embodiment of the present invention comprises: a blower which supplies dry gas; a fuel cell stack; and a fuel cell membrane humidifier which includes a mid-case, a first exhaust gas inlet formed at one surface of the mid-case, a second exhaust gas inlet formed at the other surface of the mid-case, and one exhaust gas outlet formed at the other surface of the mid-case.

Abstract: The present invention relates to a fuel cell humidifier comprising: a humidifying module for humidifying dry gas, supplied from outside, by using wet gas discharged from a fuel cell stack; and a first cap coupled to one end of the humidifying module, wherein the humidifying module comprises a mid-case, and at least one cartridge which is disposed in the mid-case and accommodates a plurality of hollow fiber membranes. The fuel cell humidifier further comprises a first packing member airtightly coupled to at least one end of the humidifying module through mechanical assembly so that the first cap may fluidly communicate with only the hollow fiber membranes, wherein the first packing member tightly adheres to the cartridge by using the pressure of at least one among the dry gas and wet gas.

Abstract: The present invention relates to a humidifier for a fuel cell, the humidifier comprising: a humidifying module for humidifying a dry gas, supplied from the outside, by using a wet gas discharged from a fuel cell stack; a first cap coupled to one end of the humidifying module; and a second cap coupled to the other end of the humidifying module. The humidifying module includes: a mid-case, both ends of which are open; and at least one cartridge that is located inside the mid-case and includes a plurality of hollow fiber membranes. The distance between a second gas inlet and a second gas outlet, which are formed in an inner case of the cartridge, is greater than the distance between a first gas inlet and a first gas outlet, which are formed in the mid-case.

Abstract: Proposed are a fuel cell membrane humidifier and a fuel cell system having the same in which humidification by moisture exchange and cooling by heat exchange are performed in one membrane humidifier such that the fuel cell system can be simplified and be miniaturized. The fuel cell membrane humidifier includes a housing part having a space divided by a partition, a humidification module formed in a first portion of the divided space and having a plurality of hollow fiber membranes allowing a first fluid flowing thereinside to perform moisture exchange with a second fluid flowing thereoutside, a heat exchange module formed in a second portion of the divided space and configured to cool a first fluid flowing inside the heat exchange module, and a flow control part configured to actively control a flow direction of the first fluid.

Abstract: Proposed are a gasket assembly and a fuel cell humidifier comprising the same which can be manufactured with improved productivity and can drastically reduce maintenance costs thereof. The gasket assembly according to an embodiment of the present disclosure is a gasket assembly for a fuel cell humidifier comprising a mid-casing, a cap fastened to the mid-casing, and at least one cartridge disposed in the mid-casing and receiving a plurality of hollow fiber membranes. The gasket assembly includes a packing part provided with a hole into which an end part of the cartridge is inserted, an edge part formed by being connected to the packing part, and a damping part formed on an outer peripheral surface of the cartridge.

Abstract: Disclosed is a membrane bioreactor system capable of minimizing the energy consumption while guaranteeing excellent membrane cleaning effect. According to the membrane bioreactor system of the present invention, a filtration apparatus for solid-liquid separation is provided in an aerobic tank and a portion of fine bubbles supplied to increase the dissolved oxygen of wastewater introduced into the aerobic tank are used for cleaning the membrane of the filtration apparatus.