公开(公告)号：US10364331B2

公开(公告)日：2019-07-30

申请号：US15318166

申请日：2015-06-12

Applicant: LG CHEM, LTD. ,  SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION

Inventor： Seong Ho Choi ,  Jong-Chan Lee ,  Hyuk Kim ,  Doyoung Kim ,  Ji Hun Kim ,  Taeyun Ko ,  Bo-Kyung Jung ,  Kihyun Kim

IPC: H01M8/1051 ,  C08J5/22 ,  C08G75/23 ,  C08K9/10 ,  C08L81/06 ,  H01M8/1032 ,  H01M8/1048 ,  H01M8/1018

Abstract: The present application relates to a composite electrolyte membrane and a method for manufacturing the same. The composite electrolyte membrane according to the present application includes: a poly(arylene ether sulfone) copolymer including the repeating unit represented by Chemical Formula 1 and the repeating unit represented by Chemical Formula 2; and a core-shell particle including an inorganic particle core and a basic organic polymer shell.

公开(公告)号：US09893374B2

公开(公告)日：2018-02-13

申请号：US14678688

申请日：2015-04-03

Applicant: LG CHEM, LTD.

Inventor： Eun Ju Kim ,  Chong Kyu Shin ,  Bong Keun Lee ,  Seong Ho Choi

IPC: H01M8/1053 ,  H01M8/1058 ,  H01M8/1007 ,  H01M8/1067 ,  H01M8/1039 ,  H01M8/103 ,  H01M8/1062 ,  H01M8/1034 ,  H01M8/1025 ,  H01M8/04082 ,  H01M8/1027 ,  H01M8/1032 ,  H01M8/1023 ,  H01M8/106 ,  H01M8/1081

CPC classification number: H01M8/1053 ,  H01M8/04197 ,  H01M8/1007 ,  H01M8/1023 ,  H01M8/1025 ,  H01M8/1027 ,  H01M8/103 ,  H01M8/1032 ,  H01M8/1034 ,  H01M8/1039 ,  H01M8/1058 ,  H01M8/106 ,  H01M8/1062 ,  H01M8/1067 ,  H01M8/1081 ,  H01M2300/0082 ,  H01M2300/0088 ,  H01M2300/0094 ,  Y02E60/521 ,  Y02P70/56

Abstract: Disclosed is a composite electrolyte membrane comprising a microporous polymer substrate and a sulfonated polymer electrolyte. The composite electrolyte membrane comprises: a first polymer electrolyte layer formed of a first non-fluorinated or partially-fluorinated sulfonated polymer electrolyte; a non-fluorinated or partially-fluorinated microporous polymer substrate stacked on the first polymer electrolyte layer, wherein pores of the microporous polymer substrate are impregnated with a second non-fluorinated or partially-fluorinated sulfonated polymer electrolyte, and the first polymer electrolyte and the second polymer electrolyte are entangled with each other on an interface thereof; and a third polymer electrolyte layer formed on the microporous polymer substrate impregnated with the second polymer electrolyte by a third non-fluorinated or partially-fluorinated sulfonated polymer electrolyte, wherein the second polymer electrolyte and the third polymer electrolyte are entangled with each other on an interface thereof. A method for manufacturing the composite electrolyte membrane, and a membrane-electrode assembly (MEA) and a fuel cell comprising the composite electrolyte membrane are also disclosed.

公开(公告)号：US09142850B2

公开(公告)日：2015-09-22

申请号：US14036491

申请日：2013-09-25

Applicant: LG CHEM, LTD.

Inventor： Seong Ho Choi ,  Hyuk Kim ,  Sang Woo Lee ,  Tae Geun Noh ,  Ji Soo Kim

IPC: H01M8/10 ,  C08J5/22 ,  C08G61/12 ,  C08L71/00 ,  C08L81/06 ,  H01M8/24 ,  C08G65/40

CPC classification number: H01M8/103 ,  C08G61/12 ,  C08G65/4056 ,  C08G2261/126 ,  C08G2261/344 ,  C08G2261/516 ,  C08G2650/40 ,  C08J5/2256 ,  C08J2381/06 ,  C08L71/00 ,  C08L81/06 ,  H01M8/1018 ,  H01M8/1027 ,  H01M8/1032 ,  H01M8/1037 ,  H01M8/241 ,  H01M8/2465 ,  H01M2008/1095 ,  Y02E60/521

Abstract: Provided are a tri-block copolymer and an electrolyte membrane prepared therefrom. The tri-block copolymer has a structure of polar moiety-containing copolymer block/non-polar moiety-containing copolymer block/polar moiety-containing copolymer block, or non-polar moiety-containing copolymer block/polar moiety-containing copolymer block/non-polar moiety-containing copolymer block, and is useful for an electrolyte membrane for fuel cells. The electrolyte membrane for fuel cells prepared from the tri-block copolymer exhibits superior dimensional stability and excellent fuel cell performance.

公开(公告)号：US10297852B2

公开(公告)日：2019-05-21

申请号：US15038951

申请日：2014-11-26

Applicant: LG CHEM, LTD.

Inventor： Minkyu Min ,  Young Sun Park ,  Hyuk Kim ,  Seong Ho Choi ,  Sangwoo Lee ,  Doyoung Kim

IPC: H01M8/1053 ,  H01M8/1004 ,  H01M8/1044 ,  H01M8/1058 ,  H01M8/1067 ,  H01M8/1018 ,  H01M8/1025 ,  H01M8/1062 ,  H01M8/1065 ,  H01M8/1041 ,  H01M8/1027 ,  H01M8/103 ,  H01M8/1032 ,  H01M8/1039

Abstract: The present specification provides a polymer electrolyte membrane, a membrane electrode assembly including the polymer electrolyte membrane, and a fuel cell including the membrane electrode assembly.

公开(公告)号：US10050294B2

公开(公告)日：2018-08-14

申请号：US14780946

申请日：2014-04-29

Applicant: LG CHEM, LTD.

Inventor： Young Sun Park ,  Minkyu Min ,  Hyuk Kim ,  Seong Ho Choi ,  Sangwoo Lee ,  Doyoung Kim

IPC: H01M8/1025 ,  H01M8/1004 ,  H01M8/1018 ,  H01M8/1062 ,  H01M8/1065 ,  H01M8/1044 ,  H01M8/1053 ,  H01M8/1058 ,  H01M8/1067 ,  H01M8/1027 ,  H01M8/1032 ,  H01M8/1039 ,  H01M8/103 ,  H01M8/106

CPC classification number: H01M8/1025 ,  H01M8/1004 ,  H01M8/1018 ,  H01M8/1027 ,  H01M8/103 ,  H01M8/1032 ,  H01M8/1039 ,  H01M8/1044 ,  H01M8/1053 ,  H01M8/1058 ,  H01M8/106 ,  H01M8/1062 ,  H01M8/1065 ,  H01M8/1067 ,  H01M2008/1095 ,  H01M2250/20 ,  H01M2300/0082 ,  H01M2300/0094 ,  Y02E60/521 ,  Y02T90/32

Abstract: The present specification provides a polymer electrolyte membrane, a membrane electrode assembly including the polymer electrolyte membrane, and a fuel cell including the membrane electrode assembly.

公开(公告)号：US09991539B2

公开(公告)日：2018-06-05

申请号：US14782184

申请日：2014-04-29

Applicant: LG CHEM, LTD.

Inventor： Young Sun Park ,  Minkyu Min ,  Hyuk Kim ,  Seong Ho Choi ,  Sangwoo Lee ,  Doyoung Kim

IPC: H01M8/10 ,  H01M8/1025 ,  H01M8/1004 ,  H01M8/1018 ,  H01M8/1062 ,  H01M8/1065 ,  H01M8/1044 ,  H01M8/1053 ,  H01M8/1058 ,  H01M8/1067 ,  H01M8/1027 ,  H01M8/1032 ,  H01M8/1039 ,  H01M8/103 ,  H01M8/106

CPC classification number: H01M8/1025 ,  H01M8/1004 ,  H01M8/1018 ,  H01M8/1027 ,  H01M8/103 ,  H01M8/1032 ,  H01M8/1039 ,  H01M8/1044 ,  H01M8/1053 ,  H01M8/1058 ,  H01M8/106 ,  H01M8/1062 ,  H01M8/1065 ,  H01M8/1067 ,  H01M2008/1095 ,  H01M2250/20 ,  H01M2300/0082 ,  H01M2300/0094 ,  Y02E60/521 ,  Y02T90/32

Abstract: The present specification provides a polymer electrolyte membrane, a membrane electrode assembly including the polymer electrolyte membrane, and a fuel cell including the membrane electrode assembly.

公开(公告)号：US09614242B2

公开(公告)日：2017-04-04

申请号：US14127703

申请日：2013-03-15

Applicant: LG Chem, Ltd.

Inventor： Seong Ho Choi ,  Hye Mi Kim ,  Hye Sung Cho ,  Hyuk Kim ,  Youngcheol Choi ,  Sangwoo Lee ,  Tae Geun Noh ,  Kyunga Sung ,  Doyoung Kim ,  Minkyu Min

IPC: H01M8/10 ,  H01M8/1027 ,  H01M8/1032 ,  H01M8/1039 ,  H01M8/1081 ,  H01M8/103 ,  H01M8/1037 ,  C08J5/22 ,  H01M8/1018

CPC classification number: H01M8/1027 ,  C08J5/2268 ,  C08J2387/00 ,  H01M8/103 ,  H01M8/1032 ,  H01M8/1037 ,  H01M8/1039 ,  H01M8/1081 ,  H01M2008/1095 ,  H01M2300/0082 ,  Y02P70/56

Abstract: Provided are a polymer electrolyte composition, an electrolyte membrane, a membrane electrolyte assembly, and a fuel cell. The polymer electrolyte composition according to an exemplary embodiment of this application includes a first solvent, a second solvent which is different from the first solvent, and a polymer which is reacted with the first solvent and the second solvent, in which the polymer includes a functional group which reacts with the first solvent by a first reaction energy and with the second solvent by a second reaction energy, and the second reaction energy is smaller than the first reaction energy.

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。

公开(公告)号：US20140023949A1

公开(公告)日：2014-01-23

申请号：US14036491

申请日：2013-09-25

Applicant: LG CHEM, LTD.

Inventor： Seong Ho Choi ,  Hyuk KIM ,  Sang Woo LEE ,  Tae Geun NOH ,  Ji Soo KIM

IPC: H01M8/10 ,  H01M8/24

CPC classification number: H01M8/103 ,  C08G61/12 ,  C08G65/4056 ,  C08G2261/126 ,  C08G2261/344 ,  C08G2261/516 ,  C08G2650/40 ,  C08J5/2256 ,  C08J2381/06 ,  C08L71/00 ,  C08L81/06 ,  H01M8/1018 ,  H01M8/1027 ,  H01M8/1032 ,  H01M8/1037 ,  H01M8/241 ,  H01M8/2465 ,  H01M2008/1095 ,  Y02E60/521

Abstract: Provided are a tri-block copolymer and an electrolyte membrane prepared therefrom. The tri-block copolymer has a structure of polar moiety-containing copolymer block/non-polar moiety-containing copolymer block/polar moiety-containing copolymer block, or non-polar moiety-containing copolymer block/polar moiety-containing copolymer block/non-polar moiety-containing copolymer block, and is useful for an electrolyte membrane for fuel cells. The electrolyte membrane for fuel cells prepared from the tri-block copolymer exhibits superior dimensional stability and excellent fuel cell performance.

Abstract translation: 提供三嵌段共聚物和由其制备的电解质膜。 三嵌段共聚物具有包含极性部分的共聚物嵌段/含非极性部分的共聚物嵌段/含极性部分的共聚物嵌段或非极性部分共聚物嵌段/含极性部分的共聚物嵌段/非共轭嵌段共聚物嵌段 含极性部分的共聚物嵌段，并且可用于燃料电池的电解质膜。 由三嵌段共聚物制备的用于燃料电池的电解质膜显示出优异的尺寸稳定性和优异的燃料电池性能。