公开(公告)号：US20190168168A1

公开(公告)日：2019-06-06

申请号：US16312625

申请日：2017-06-16

Applicant: KOLON INDUSTRIES, INC.

Inventor： Ji Yoon LEE ,  Kwang-Jin LEE

IPC: B01D67/00 ,  B01D71/36 ,  B01D71/34 ,  B01D71/26 ,  B01D69/02 ,  B01D61/14

Abstract: Disclosed are a superhydrophobic microfiltration membrane capable of facilitating higher permeate flux without separation performance deterioration when performing a water treatment based on a membrane distillation method, a filtration module for membrane distillation comprising the same, and a method for manufacturing the same. The superhydrophobic microfiltration membrane of the present invention comprises a porous member having a plurality of fine pores having an average pore size of 1 μm to 100 μm and has a pure water contact angle of 130° or more.

公开(公告)号：US20240113311A1

公开(公告)日：2024-04-04

申请号：US18264777

申请日：2022-03-08

Applicant: KOLON INDUSTRIES, INC.

Inventor： Young Seok OH ,  Ah Reum LEE ,  Ji Yoon LEE ,  Kyoung Ju KIM

IPC: H01M8/04119 ,  B01D63/02

CPC classification number: H01M8/04149 ,  B01D63/02 ,  B01D2313/083 ,  B01D2313/205 ,  B01D2313/21 ,  B01D2313/24 ,  B01D2313/44

Abstract: The present invention relates to a membrane humidifier for a fuel cell, which can prevent a decrease in humidification efficiency, caused by a pressure difference between the inside and the outside of the membrane humidifier. The membrane humidifier for a fuel cell, according to an embodiment of the present invention, comprises: a middle case having a module insertion part formed therein; a cap case coupled to the middle case; a hollow fiber membrane module inserted in the module insertion part; and an active pressure buffer part formed between the middle case and the module insertion part to prevent expansion of the module insertion part due to a pressure difference between the inside and the outside of the middle case or relieve the pressure difference according to output states of the fuel cell.

公开(公告)号：US20240063409A1

公开(公告)日：2024-02-22

申请号：US18260952

申请日：2022-01-27

Applicant: KOLON INDUSTRIES, INC.

Inventor： Young Seok OH ,  Ah Reum LEE ,  Ji Yoon LEE ,  Kyoung Ju KIM

IPC: H01M8/04119

CPC classification number: H01M8/04149

Abstract: The present invention relates to a fuel cell membrane humidifier which adjusts a clearance between hollow fiber membranes according to a temperature of a fluid flowing between the hollow fiber membranes to improve humidification efficiency. A fuel cell membrane humidifier according to an embodiment of the present invention comprises: a mid-case; a cap fastened to the mid-case; a plurality of hollow fiber membranes disposed in the mid-case and exchanging moisture with an air supplied from the outside and flue gas introduced from a fuel cell stack to humidify the air; and a clearance adjustment pipe disposed between the plurality of hollow fiber membranes and formed of a material having a thermal expansion coefficient different from that of the plurality of hollow fiber membranes, so as to adjust the clearance between the plurality of hollow fiber membranes according to a temperature of flue gas.

公开(公告)号：US20240030467A1

公开(公告)日：2024-01-25

申请号：US18255116

申请日：2022-01-26

Applicant: KOLON INDUSTRIES, INC.

Inventor： Do Woo KIM ,  Kyoung Ju KIM ,  Na Hyun AHN ,  In Ho KIM ,  Young Seok OH ,  Ah Reun LEE ,  Ji Yoon LEE

IPC: H01M8/04119

CPC classification number: H01M8/04149

Abstract: The present invention relates to a fuel cell membrane humidifier capable of preventing a humidification efficiency decrease caused by a pressure difference between the inside and the outside of a membrane humidifier. A fuel cell membrane humidifier according to an embodiment of the present invention comprises: a middle case having a module insertion part formed therein; a cap case coupled to the middle case; a hollow fiber membrane module inserted in the module insertion part; and an active pressure buffer part which is formed between the middle case and the module insertion part and prevents expansion of the module insertion part by a pressure difference between the inside and the outside of the middle case according to an output state of a fuel cell or relieves the pressure difference therebetween.

公开(公告)号：US20240001303A1

公开(公告)日：2024-01-04

申请号：US18254840

申请日：2021-12-07

Applicant: KOLON INDUSTRIES, INC.

Inventor： Ji Yoon LEE ,  Young Seok OH ,  Ah Reum LEE

IPC: B01D63/02 ,  B01D69/08 ,  B01D69/12 ,  H01M8/04119

CPC classification number: B01D63/031 ,  B01D63/021 ,  B01D69/087 ,  B01D69/1216 ,  H01M8/04149 ,  B01D2325/02831 ,  B01D2325/04 ,  B01D2325/20 ,  B01D2325/24 ,  B01D2325/025 ,  B01D2323/22 ,  B01D2323/39 ,  B01D2325/026

Abstract: The present invention relates to a hollow fiber membrane including, sequentially from the center: a first layer having a high-density sponge structure including pores with a size of 1 nm or less; a second layer including a finger-shaped structure; and a third layer having a low-density sponge structure including pores with a size of 10 to 1,000 μm, and to a method for producing the hollow fiber membrane.

公开(公告)号：US20230411650A1

公开(公告)日：2023-12-21

申请号：US18254019

申请日：2022-01-04

Applicant: KOLON INDUSTRIES, INC.

Inventor： Young Seok OH ,  Ah Reum LEE ,  Ji Yoon LEE ,  Kyoung Ju KIM

IPC: H01M8/04119

CPC classification number: H01M8/04149

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.

公开(公告)号：US20240337413A1

公开(公告)日：2024-10-10

申请号：US18579909

申请日：2022-07-08

Applicant: KOLON INDUSTRIES, INC.

Inventor： Ah Reum LEE ,  Young Seok OH ,  Ji Yoon LEE

IPC: F24F13/28 ,  H01M8/04119

CPC classification number: F24F13/28 ,  H01M8/04149

Abstract: Provided are a membrane humidifier cartridge, in which a hollow fiber membrane accommodated in a cartridge may be prevented from being damaged by a fluid, and a fuel cell membrane humidifier including the same. The membrane humidifier cartridge may include: an inner case accommodating therein a hollow fiber membrane in which a first fluid flows; a potting portion fixing a terminal of the hollow fiber membrane; a first mesh hole portion into which the second fluid is introduced, and formed to protrude from one side of the inner case; and a second mesh hole portion formed to protrude from another side of the inner case, in which the second fluid introduced through the first mesh hole portion is discharged after exchanging moisture with the first fluid through the hollow fiber membrane.

公开(公告)号：US20240313242A1

公开(公告)日：2024-09-19

申请号：US18260795

申请日：2022-01-26

Applicant: KOLON INDUSTRIES, INC.

Inventor： Young Seok OH ,  Ah Reum LEE ,  Ji Yoon LEE ,  Kyoung ju KIM

IPC: H01M8/04746 ,  H01M8/0432 ,  H01M8/04828

CPC classification number: H01M8/04746 ,  H01M8/04365 ,  H01M8/04828

Abstract: The present invention relates to a fuel cell system capable of adjusting a bypass flow rate, which can automatically adjust the bypass flow rate according to the temperature of dry gas flowing from a blower. A fuel cell system capable of adjusting a bypass flow rate according to one embodiment of the present invention comprises: a blower for supplying dry gas through a supply flow path; a dry gas inlet for supplying at least a portion of the dry gas supplied from the blower to a membrane humidifier; a bypass flow path for supplying at least a portion of the dry gas supplied from the blower to a fuel cell stack by bypassing the membrane humidifier; and a bypass flow rate adjustment part formed in the bypass flow path and for adjusting the degree of opening of the bypass flow path according to the temperature of the dry gas flowing from the blower.

公开(公告)号：US20240313237A1

公开(公告)日：2024-09-19

申请号：US18263554

申请日：2022-02-22

Applicant: KOLON INDUSTRIES, INC.

Inventor： Ah Reum LEE ,  Young Seok OH ,  Ji Yoon LEE

IPC: H01M8/04119 ,  B01D63/02 ,  B01D63/04

CPC classification number: H01M8/04149 ,  B01D63/033 ,  B01D63/04 ,  B01D2313/203 ,  B01D2313/44

Abstract: The present invention relates to a cartridge for a fuel cell humidifier, and a fuel cell humidifier, the cartridge comprising: an inner case having both ends opened; a hollow fiber membrane bundle received in the inner case; an inner inlet and an inner outlet formed on the inner case so as to be spaced along a first axial direction; a first potting layer for fixing one end of the hollow fiber membrane bundle at one end of the inner case; and a second potting layer for fixing the other end of the hollow fiber membrane bundle at the other end of the inner case, wherein the packing density is 0.405 to 0.625 inclusive, the packing density being based on, with respect to a second axial direction perpendicular to the first axial direction, the potting cross-section of the inside of the one end of the inner case where the first potting layer is potted, and the membrane cross-section of the hollow fiber membrane bundle.

公开(公告)号：US20240120516A1

公开(公告)日：2024-04-11

申请号：US18263945

申请日：2022-03-07

Applicant: KOLON INDUSTRIES, INC.

Inventor： Young Seok OH ,  Ah Reum LEE ,  Ji Yoon LEE ,  Kyoung Ju KIM

IPC: H01M8/04746 ,  B01D63/02 ,  H01M8/04119 ,  H01M8/0432

CPC classification number: H01M8/04761 ,  B01D63/02 ,  H01M8/04141 ,  H01M8/04149 ,  H01M8/0432 ,  B01D2313/44

Abstract: The present invention relates to a fuel cell system capable of adjusting a bypass flow rate, in which the bypass flow rate can be automatically adjusted according to the temperature of an exhaust gas discharged from a fuel cell stack. The fuel cell system capable of adjusting a bypass flow rate, according to an embodiment of the present invention, comprises: an exhaust gas inlet flow path; an exhaust gas discharge flow path; a bypass flow path for bypassing a membrane humidifier to allow at least a portion of an exhaust gas discharged from a fuel cell stack to flow to the exhaust gas discharge flow path; and a bypass flow rate control unit that is formed in the bypass flow path and adjusts the opening degree of the bypass flow path according to the temperature of the exhaust gas discharged from the fuel cell stack.