Abstract: The present disclosure provides a fuel cell membrane humidifier capable of improving humidification efficiency by increasing a flow time in a humidifying module, and the fuel cell membrane humidifier according to an embodiment of the present disclosure, includes: a mid-case; an off-gas inlet formed in a direction inclined at a predetermined angle with respect to one surface of the mid-case through which off-gas discharged from the fuel cell stack is introduced; and at least one cartridge disposed in the mid-case and including an inner case accommodating a plurality of hollow fiber membranes therein, and a potting part fixing ends of the hollow fiber membranes.

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 fuel cell membrane humidifier which can actively control the flow rate of exhaust gas flowing from a fuel cell stack according to the output condition of a fuel cell. A fuel cell membrane humidifier according to one embodiment of the present invention comprises: a mid-case having an inlet through which wetting gas supplied from the fuel cell stack is introduced and an outlet through which the wetting gas is discharged; a cartridge disposed inside the mid-case and accommodating a plurality of hollow fiber membranes; a bypass space formed in the space between the mid-case and the cartridge; and an active blocking member for controlling the degree of opening of the bypass space according to the temperature of the wetting gas introduced through the inlet.

Abstract: The present invention relates to a membrane humidifier for a fuel cell capable of simplifying a fuel cell system and miniaturizing the fuel cell system by performing humidification by moisture exchange and cooling by heat exchange in one membrane humidifier, and a fuel cell system comprising same. The membrane humidifier for a fuel cell of the present invention comprises both a humidification module and a heat exchange module in a housing part, and distributes a first fluid to the humidification module and the heat exchange module at a variable distribution ratio.

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 gasket assembly which can be manufactured with increased productivity and can dramatically reduce maintenance costs, and a fuel cell membrane humidifier comprising same. According to an embodiment of the present invention, the gasket assembly is for the fuel cell membrane humidifier which comprises: a mid-case; a cap fastened with the mid-case; and at least one cartridge arranged in the mid-case and receiving a plurality of hollow fiber membranes.

Abstract: A thermoplastic resin composition includes base resin, which includes a polycarbonate resin and an acrylonitrile-butadiene-styrene (ABS) resin, and an additive. The ABS resin includes a rubber-modified vinyl-based graft copolymer resin, an aromatic vinyl-vinyl cyanide-based copolymer resin. The polycarbonate resin has a weight-average molecular weight of 20,000 g/mol to 40,000 g/mol, and the rubber-modified vinyl-based graft copolymer resin comprises 50 wt % to 60 wt % of polybutadiene rubber based on a total wt % of the thermoplastic resin composition.

Abstract: A membrane humidifier for a fuel cell, of the present invention, comprises: a middle case in which a plurality of hollow fiber membranes are accommodated; a cap case coupled to the middle case; potting parts formed at the ends of the plurality of hollow fiber membranes; an assembly member disposed between the cap case and the end of the middle case so as to provide air tight coupling therebetween; and a protrusion part extending toward the edges of the potting parts from the inside of the cap case so as to provide air tight coupling between the cap case and the potting parts.

Abstract: A humidifier for a fuel cell is provided and includes a housing having, at a first side, a moist air supply port through which moist air is supplied from a fuel cell stack and having, at a second side, a moist air discharge port. A humidifying membrane is disposed in the housing and allows dry air to flow along the inside of the humidifying membrane. A bypass flow path is formed in the housing to allow a part of the moist air supplied to the moist air supply port to continuously flow to the moist air discharge port without passing through the humidifying membrane, thereby adjusting the amount of humidification and a differential pressure of the humidifier based on an operating condition of a fuel cell.

Abstract: A fuel cell humidifier may completely or substantially completely prevent condensate water from entering a running fuel cell stack. The fuel cell humidifier includes a housing; a plurality of hollow fiber membranes arranged in the housing; a cap which is coupled to one end of the housing and has an air discharge port for supplying humidified air to the fuel cell stack; and a bypass tube for transferring condensate water generated from the humidified air to an interior space of the housing through which a discharge gas flows, wherein a first end of the bypass tube is disposed inside the air discharge port, and the bypass tube is in fluid communication with the interior space of the housing through a second end of the bypass tube.

Abstract: The present invention relates to an assembly-type cartridge block enabling various types of cartridges, and a hollow-fiber membrane module comprising the same. The assembly-type cartridge block of an embodiment of the present invention comprises: a body part having a plurality of hollow-fiber membranes therein and having mesh parts formed respectively at the upper and lower parts thereof; and a fastening part formed on a side surface of the body part and configured to be fastened to an adjacent assembly-type cartridge block. Further, the hollow-fiber membrane module of an embodiment of the present invention comprises: a housing unit including a first fluid inlet, a first fluid outlet, a second fluid inlet, and a second fluid outlet; and a cartridge unit installed inside the housing unit and formed by fastening a plurality of assembly-type cartridge blocks, each of the assemble type cartridge blocks having a plurality of hollow-fiber membranes therein.

Abstract: A membrane humidifier for a fuel cell is disclosed. The membrane includes a middle case in which a plurality of hollow fiber membranes are accommodated; a cap case coupled to the middle case; a potting part formed at the end portions of the plurality of hollow fiber membranes; and an assembling member disposed between the end portions of the cap case and the middle case, and simultaneously coupling, so as to be airtight, a gap between the cap case and the middle case and a gap between the cap case and the potting part.

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: The present invention relates to a fuel cell membrane humidifier capable improving humidifying efficiency by controlling the flow direction of fluid, and the fuel cell membrane humidifier according to an embodiment of the present invention comprises: a hollow fiber membrane module for accommodating a hollow fiber membrane in which a first fluid and a second fluid perform moisture exchange while the first fluid flows therein and the second fluid flows on the outside thereof; and a housing part constituting the appearance of the membrane purifier, wherein a fluid guide part for uniformly guiding the flow of fluid is formed between the hollow fiber membrane and the housing part.

Abstract: A thermoplastic resin composition for plating of the present invention comprises: about 35 wt % to about 60 wt % of a polycarbonate resin; about 1 wt % to about 20 wt % of a first rubber modified vinyl graft copolymer; about 5 wt % to about 30 wt % of a second rubber modified vinyl graft copolymer; and about 25 wt % to about 50 wt % of an aromatic vinyl copolymer resin, wherein the first rubber modified aromatic vinyl graft copolymer and the second rubber modified aromatic vinyl graft copolymer are present in a weight ratio of about 1:1 to about 1:10. The thermoplastic resin composition for plating and a plated molded product comprising the same have good etching property, plating adhesion, impact resistance, heat resistance and the like.

Abstract: Disclosed are: a humidifier for a fuel cell, which can reliably prevent gas leaks due to repeated operations and shutdowns of a fuel cell and can be manufactured with relatively low manufacturing costs and high productivity as well; and a method for manufacturing same. A humidifier for a fuel cell of the present invention comprises a humidification module and caps coupled to both ends of the humidification module, respectively. The humidification module comprises: a mid-case having a step on the inner peripheral surface thereof; a plurality of hollow fiber membranes in the mid-case; a fixation layer on which ends of the hollow fiber membranes are potted; a bracket which is supported by the step of the mid-case and is in contact with the fixation layer; and a packing member in contact with the bracket and having a groove into which an end of the mid-case is inserted.

Abstract: Disclosed are: a fuel cell humidifier, which can be manufactured at improved productivity and can significantly reduce maintenance and repair costs; and a packing member for same. The fuel cell humidifier of the present invention comprises: a humidification module for humidifying, with the moisture in exhaust gas discharged from a fuel cell stack, the air supplied from the outside; and a cap coupled to one end of the humidification module, wherein the humidification module includes a middle case and at least one cartridge, which is arranged inside the middle case and includes a plurality of hollow-fiber membranes, and the fuel cell humidifier further includes the packing member coupled to one end of the humidification module in an airtight manner through a mechanical assembly so that fluid-communication can be performed between the cap and only the hollow-fiber membranes.

Abstract: Disclosed are a fuel cell system capable of maintaining hydrogen density of the exhaust gas discharged from the fuel cell system at a level below the tolerance limit so that any fears about fire and/or explosion can be dispelled and the safety of the system can be remarkably improved, and a humidifier therefor. The fuel cell system of the present invention comprises a fuel cell stack; and a humidifier configured to (i) humidify an air supplied from outside by means of an off-gas discharged from the fuel cell stack and (ii) supply the humidified air to the fuel cell stack, wherein the off-gas is mixed with at least a portion of the humidified air in the humidifier.

Abstract: A thermoplastic resin composition includes base resin, which includes a polycarbonate resin and an acrylonitrile-butadiene-styrene (ABS) resin, and an additive. The ABS resin includes a rubber-modified vinyl-based graft copolymer resin, an aromatic vinyl-vinyl cyanide-based copolymer resin. The polycarbonate resin has a weight-average molecular weight of 20,000 g/mol to 40,000 g/mol, and the rubber-modified vinyl-based graft copolymer resin comprises 50 wt % to 60 wt % of polybutadiene rubber based on a total wt % of the thermoplastic resin composition.

Abstract: Disclosed are: a fuel cell humidifier capable of reliably preventing a gas leak due to repeated operating and stopping of a fuel cell and capable of being manufactured with relatively low manufacturing costs and high productivity; and a manufacturing method therefor. The fuel cell humidifier of the present invention comprises a humidifying module and caps coupled to both ends of the humidifying module, respectively, wherein: the humidifying module includes a mid-case, a plurality of hollow fiber membranes in the mid-case, a fixed layer in which the ends of the hollow fiber membranes are potted, and a composite gasket having a groove into which the end of the mid-case is fitted; the composite gasket includes an inner body, an outer body, and a connecting body provided therebetween and formed of a first material; and at least a portion of the inner body is adhered to the fixed layer and is formed of a second material that is different from the first material.