公开(公告)号：US10461351B2

公开(公告)日：2019-10-29

申请号：US15340019

申请日：2016-11-01

Applicant: Seoul National University R&DB Foundation

Inventor： Jong-Chan Lee ,  Kihyun Kim ,  Jungmoon Bae ,  Pil Won Heo ,  Jun-Young Kim ,  Tae-Yoon Kim ,  Chan Ho Pak

IPC: H01M8/1037 ,  H01M8/1004 ,  H01M8/1027 ,  H01M8/1018 ,  H01M8/1007

Abstract: A polymer electrolyte membrane for a fuel cell includes a cross-linking polymer in which a polyhedral oligomeric silsequioxane (POSS) is cross-linked with a hydrocarbon-based polymer and a membrane-electrode assembly for a fuel cell includes the polymer electrolyte membrane.

公开(公告)号：US20190046682A1

公开(公告)日：2019-02-14

申请号：US16077338

申请日：2017-11-27

Applicant: LG Chem, Ltd. ,  Seoul National University R&DB Foundation

Inventor： Yong Seok Choi ,  Young Sam Kim ,  Jong Doo Lim ,  Jong-Chan Lee ,  Na Kyung Kim ,  Jinseok Kim

IPC: A61L15/60 ,  B01J20/26 ,  B01J20/06 ,  B01J20/28 ,  B01J20/30 ,  A61L15/42 ,  A61L15/44 ,  A61L15/18 ,  A61L15/26

Abstract: The present invention relates to a method for preparing superabsorbent polymer that has antibacterial activity, in which the basic properties of superabsorbent polymer are maintained or improved, and may exhibits excellent bacterial proliferation inhibition effect, and superabsorbent polymer prepared thereby. The preparation method of superabsorbent polymer comprises the steps of: forming base polymer powder using hydogel polymer comprising crosslinked polymer, and then, surface crosslinking the base polymer powder using a surface crosslinking solution comprising a surface crosslinking agent and cuprous oxide, wherein the cuprous oxide is included in the content of 0.001 to 2.5 parts by weight, based on 100 parts by weight of the base polymer powder.

公开(公告)号：US11901507B2

公开(公告)日：2024-02-13

申请号：US17251871

申请日：2019-09-27

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

Inventor： Jehoon Lee ,  Jong-Chan Lee ,  Jonghyun Chae ,  Lucia Kim ,  Dong Hyeop Han ,  Na Kyung Kim ,  Daun Jeong ,  Ji-Hoon Baik ,  Wansoo Chang

IPC: H01M10/00 ,  H01M10/0565 ,  C01B35/14 ,  C08L83/04 ,  H01M10/0525 ,  H01M10/058

CPC classification number: H01M10/0565 ,  C01B35/146 ,  C08L83/04 ,  H01M10/058 ,  H01M10/0525 ,  H01M2300/0082

Abstract: The present invention relates to a polymer electrolyte and a method for manufacturing same. More specifically, a polymer electrolyte with improved ion conductivity can be produced by adding boron nitride to a solid electrolyte comprising polysiloxane.

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：US12183926B2

公开(公告)日：2024-12-31

申请号：US16643367

申请日：2018-07-12

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

Inventor： Jonghyun Chae ,  Jong-Chan Lee ,  Yeonju Lee ,  Daeil Kim ,  Lucia Kim ,  Jehoon Lee ,  Na Kyung Kim ,  Daun Jeong

IPC: H01M4/60 ,  H01M4/02 ,  H01M10/04 ,  H01M10/0525 ,  H01M10/0565 ,  H01M50/414

Abstract: A polymer material for a lithium secondary battery having ionic conductivity and electronic conductivity at the same time, and a method for preparing the same. The polymer material includes a polythiophene-based polymer and a conductive polymer, and the polymer material may be formed by forming a polythiophene-based polymer, forming a conductive polymer, and heat-treating the polythiophene-based polymer and the conductive polymer.

公开(公告)号：US10702626B2

公开(公告)日：2020-07-07

申请号：US16077338

申请日：2017-11-27

Applicant: LG Chem, Ltd. ,  Seoul National University R&DB Foundation

Inventor： Yong Seok Choi ,  Young Sam Kim ,  Jong Doo Lim ,  Jong-Chan Lee ,  Na Kyung Kim ,  Jinseok Kim

IPC: A61L15/60 ,  C08F2/44 ,  C08J3/24 ,  C08J3/12 ,  C08J3/075 ,  C08F2/10 ,  A61L15/46 ,  C08F2/48 ,  C08K3/22 ,  A61L15/18 ,  A61L15/26 ,  A61L15/44 ,  B01J20/06 ,  B01J20/26 ,  B01J20/28 ,  B01J20/30 ,  A61L15/42

Abstract: The present invention relates to a method for preparing superabsorbent polymer that has antibacterial activity, in which the basic properties of superabsorbent polymer are maintained or improved, and may exhibits excellent bacterial proliferation inhibition effect, and superabsorbent polymer prepared thereby. The preparation method of superabsorbent polymer comprises the steps of: forming base polymer powder using hydogel polymer comprising crosslinked polymer, and then, surface crosslinking the base polymer powder using a surface crosslinking solution comprising a surface crosslinking agent and cuprous oxide, wherein the cuprous oxide is included in the content of 0.001 to 2.5 parts by weight, based on 100 parts by weight of the base polymer powder.

公开(公告)号：US09887433B2

公开(公告)日：2018-02-06

申请号：US14329181

申请日：2014-07-11

Applicant: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION

Inventor： Jong-Chan Lee ,  Ji-Hoon Baik ,  Dong-Gyun Kim ,  Jimin Shim

IPC: H01M10/0565 ,  C08F220/28 ,  H01M10/052

CPC classification number: H01M10/0565 ,  C08F220/28 ,  H01M10/052 ,  H01M2220/30 ,  H01M2300/0082 ,  C08F2220/286 ,  C08F2220/302

Abstract: The present invention provides copolymers of polyethylene oxide methacrylate and alkenyl group-containing methacrylate, method for preparing the same and use thereof. The copolymers may be used for preparing solid phase electrolytes having high ionic conductivity and enhanced physical properties.