公开(公告)号：US11577449B2

公开(公告)日：2023-02-14

申请号：US16762376

申请日：2018-12-04

Applicant: Kolon Industries, Inc.

Inventor： Ki II Hong ,  Hak-Gee Jung

IPC: B29C55/12 ,  B29C71/02 ,  B29C55/14 ,  C08J5/18 ,  B29K79/00

Abstract: The present invention relates to a method for manufacturing a polyimide-based film and a polyimide-based film manufactured thereby and, particularly, to a method for manufacturing a polyimide-based film and a polyimide-based film manufactured thereby, wherein the polyimide-based film is useful as a cover substrate for a flexible electronic device since flexure characteristics thereof, represented by yield elongation, are excellent.

公开(公告)号：US11563218B2

公开(公告)日：2023-01-24

申请号：US17048238

申请日：2019-06-17

Applicant: KOLON INDUSTRIES, INC.

Inventor： Jung Ho Kim

IPC: H01M4/88 ,  H01M8/1004 ,  H01M8/10

Abstract: Disclosed are a manufacturing method of a membrane electrode assembly capable of increasing the interfacial adhesion between a polymer electrolyte membrane and a catalyst layer, improving substance delivery and performance, and enhancing hydrogen permeation resistance or oxygen permeability; a membrane electrode assembly manufactured thereby; and a fuel cell comprising the membrane electrode assembly. The manufacturing method of the present invention comprises the steps of: adding a catalyst and a first ionomer to a solvent and dispersing the same, thereby producing a dispersed mixture; adding a second ionomer to the dispersed mixture, thereby producing a coating composition; and applying the coating composition directly onto at least one side of the polymer electrolyte membrane.

公开(公告)号：US20220416259A1

公开(公告)日：2022-12-29

申请号：US17778938

申请日：2021-09-24

Applicant: KOLON INDUSTRIES, INC.

Inventor： Jung Ho KIM ,  Jun Young KIM ,  Kah-Young SONG ,  Nakwon KONG ,  Jusung LEE ,  Kyoungsik NAM ,  Chanmi PARK

IPC: H01M4/92 ,  H01M8/1004 ,  H01M8/1086

Abstract: Disclosed are a carbon-based carrier that is capable of increasing catalyst activity as much as that of a porous type while having excellent durability unique to that of a solid type, a catalyst comprising same, a membrane-electrode assembly comprising same, and a method for preparing same. The carbon-based carrier for a fuel cell catalyst of the present invention is a solid-type carrier, and has an outer surface area of 100-450 m2/g, a mesopore volume of 0.25-0.65 cm3/g, and a micropore volume of 0.01-0.05 cm3/g.

公开(公告)号：US20220393199A1

公开(公告)日：2022-12-08

申请号：US17762364

申请日：2020-11-27

Applicant: KOLON INDUSTRIES, INC.

Inventor： Woong Jeon AHN ,  Young Seok OH ,  In Ho KIM

IPC: H01M8/04119 ,  B01D63/02

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; and a first cap coupled to one end of the humidifying module. The humidifying module includes: a mid-case; and at least one cartridge disposed in the mid-case and accommodating a plurality of hollow fiber membranes. The humidifier for a fuel cell further includes a first packing member which is air-tightly coupled to at least one end of the humidifying module through mechanical assembly so that the first cap is in fluid communication with only the hollow fiber membranes.

公开(公告)号：US20220372672A1

公开(公告)日：2022-11-24

申请号：US17769769

申请日：2020-12-21

Applicant: KOLON INDUSTRIES, INC.

Inventor： Sung Gyu LEE ,  Ok Hwa JEON ,  Min-ho LEE

IPC: D02G3/48 ,  B60C9/00 ,  D06M15/693

Abstract: The present invention relates to a tire cord having excellent durability while being thin in thickness, a manufacturing method thereof and a tire comprising the same.

公开(公告)号：US20220356299A1

公开(公告)日：2022-11-10

申请号：US17635739

申请日：2020-08-28

Applicant: KOLON INDUSTRIES, INC.

Inventor： Mee Hye JEONG ,  Ji Min HA ,  Da Kyoung YONG ,  Ki Hyun PARK

IPC: C08G63/199 ,  C08G63/183 ,  C07C45/59 ,  C07C29/143 ,  C08G18/76 ,  C08G18/32 ,  B01J23/46

Abstract: The present invention relates to a polyester or polyurethane polymer comprising a biomass-derived 1,3-cyclopentanediol monomer, and a method for preparing same.

公开(公告)号：US20220341066A1

公开(公告)日：2022-10-27

申请号：US17764546

申请日：2019-12-27

Applicant: KOLON INDUSTRIES, INC.

Inventor： Jae-Hyung KIM ,  Gi-Woong KIM ,  Seoang-Young KIM ,  Sang-Mok LEE ,  Sin-Ho LEE ,  Young-Soo LEE

IPC: D03D15/283 ,  D02G3/02 ,  D02G3/26 ,  D02G3/44 ,  D01F6/04 ,  D03D1/00 ,  D03D15/41 ,  D03D15/44 ,  D03D15/573

Abstract: Disclosed is a polyethylene yarn which enables the manufacture of a skin cooling fabric having dimensional stability and having improved weavability which enables the manufacture of a skin cooling fabric capable of providing a user with a soft tactile sensation as well as a cooling sensation, a method for manufacturing the same, and a skin cooling fabric including the same. The polyethylene yarn has a shrinkage stress at 70° C. and 100° C. of 0.005 to 0.075 g/d, respectively. Also, the polyethylene yarn has a “dry thermal shrinkage rate at 70° C.” of 0.1 to 0.5%, a “dry thermal shrinkage rate at 100° C.” of 0.5 to 1.5%, and a “wet thermal shrinkage rate at 100° C.” of 0.1 to 1%.

公开(公告)号：US20220320557A1

公开(公告)日：2022-10-06

申请号：US17609370

申请日：2020-06-17

Applicant: KOLON INDUSTRIES, INC.

Inventor： Jung Hwa PARK ,  Dong Hoon LEE ,  Na Young KIM ,  Eun Su LEE ,  Seung Jib YUM

IPC: H01M8/1051 ,  H01M8/1018 ,  H01M8/1081 ,  H01M8/1062 ,  C08K5/13 ,  C08K5/092 ,  C08K5/18

Abstract: Disclosed are: a polymer electrolyte membrane which can prevent ionic conductor loss even upon the occurrence of chemical degradation in the ionic conductor according to long term use and thus can be significantly improved in chemical durability; a manufacturing method therefor; and an electrochemical device comprising same. The polymer electrolyte membrane of the present disclosure comprises a polymer electrolyte material. The polymer electrolyte material comprises an ionic conductor and a crosslinker unbound to the ionic conductor. The crosslinker has at least one cross-linkable functional group which can couple with the ionic conductor that has been degraded, thereby causing crosslinking with the ionic conductor.

公开(公告)号：US20220307162A1

公开(公告)日：2022-09-29

申请号：US17635780

申请日：2020-09-23

Applicant: KOLON INDUSTRIES, INC.

Inventor： Min Ho LEE ,  Ok Hwa JEON ,  Jongha YIM

IPC: D02G3/48 ,  D02G3/04 ,  D02G3/28

Abstract: The present disclosure relates to a method for manufacturing a hybrid tire cord that utilizes a difference in fineness, and thereby can be more easily manufactured in a form covered with aramid, has uniform physical properties, and improves tire performance.

公开(公告)号：US11444288B2

公开(公告)日：2022-09-13

申请号：US16323400

申请日：2018-06-19

Applicant: KOLON INDUSTRIES, INC.

Inventor： Jung Ho Kim

IPC: H01M4/90 ,  H01M4/88 ,  H01M4/92 ,  H01M4/86 ,  H01M8/10 ,  H01M8/1004

Abstract: The present invention relates to an electrode comprising organic functional metal oxides, a manufacturing method thereof, a membrane-electrode assembly including the same, and a fuel cell including the membrane-electrode assembly, and the electrode comprises a support, catalyst particles supported on the support, organic functional metal oxide nanoparticles supported on the support, and an ionomer positioned on the surface of the support.
The electrode improves catalyst performance and durability in a high voltage range, can reduce the amount of a catalyst used and catalyst costs by enabling excellent current density and power density to be obtained even in a state that a relatively small amount of the catalyst is used through an increase in catalyst utilization and uniform dispersion of the catalyst, and improves performance in general and low humidification conditions.