公开(公告)号：US11283134B2

公开(公告)日：2022-03-22

申请号：US16303030

申请日：2018-01-18

Applicant: LG CHEM, LTD.

Inventor： Hyejin Kwon ,  Houngsik Yoo ,  Su Jin Yoon ,  Dong Hyun Kim ,  Hyeon Choi ,  Jean Lee

IPC: H01M50/403 ,  H01M50/446 ,  H01M50/449 ,  H01M10/0525

Abstract: A method for preparing a separator, a separator prepared using the same, and an electrochemical device including the same. More specifically, stability of the separator may be reinforced by preparing the separator using a slurry prepared by pre-dispersing an inorganic material and a dispersion resin, and then mixing a binder thereto when preparing the separator.

公开(公告)号：US10804559B2

公开(公告)日：2020-10-13

申请号：US15779275

申请日：2016-12-19

Applicant: LG CHEM, LTD.

Inventor： Kun Seok Lee ,  Jungyeon Lee ,  Seung Heon Lee ,  Sun Mi Jin ,  Hyejin Kwon

IPC: H01M10/04 ,  H01M2/16 ,  H01M10/0525 ,  H01M2/14

Abstract: The present application relates to a separator and a battery comprising the same. A separator according to an exemplary embodiment of the present application includes: a porous substrate; and a first bonding layer pattern provided on at least one surface of the porous substrate, in which each pattern constituting the first bonding layer pattern is a pattern including a second bonding layer pattern having an aperture ratio of 5% or more and 40% or less.

公开(公告)号：US10279320B2

公开(公告)日：2019-05-07

申请号：US15021847

申请日：2014-09-16

Applicant: LG CHEM, LTD.

Inventor： Hyejin Kwon ,  Seungpyo Jeong ,  Taehyeong Kim ,  Joong Jin Han ,  Chong Kyu Shin

IPC: C08J5/22 ,  B01D61/02 ,  B01D61/14 ,  B01D69/02 ,  B01D69/10 ,  B01D69/12 ,  B01D71/28 ,  B01D71/32 ,  B01D71/52 ,  B01D71/76 ,  B01D71/80 ,  B01D71/82

Abstract: The present invention relates to a water treatment membrane including a support; and a polymer layer including a copolymer containing a hydrophobic repeating unit and a hydrophilic repeating unit including an ion exchange functional group on the support, wherein the polymer layer has ion exchange capacity (IEC) of 0.02 meq/g to 2.4 meq/g, and to a water treatment module, which have excellent salt rejection and permeate flow properties.

公开(公告)号：US09136551B2

公开(公告)日：2015-09-15

申请号：US14111399

申请日：2012-12-03

Applicant: LG CHEM, LTD.

Inventor： Hyejin Kwon ,  Seong Ho Choi ,  Min-Jong Lee ,  Sergey Ulyakhin ,  Chong Kyu Shin

IPC: H01M8/10 ,  C07C309/10

CPC classification number: H01M8/1039 ,  C07C309/10 ,  H01M8/1032 ,  H01M8/1046 ,  H01M8/1048 ,  Y02E60/523 ,  Y02P70/56

Abstract: The present invention relates to a novel sulfonate-based compound, a method for preparing the same, a polymer electrolyte membrane comprising the sulfonate-based compound, a membrane electrode assembly comprising the same and a fuel cell comprising the same.

Abstract translation: 本发明涉及一种新型的磺酸盐基化合物，其制备方法，包含磺酸盐基化合物的聚合物电解质膜，包含该磺酸盐的化合物的膜电极组合物和包含该磺酸盐的化合物的燃料电池。