-
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: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:US20230352723A1
公开(公告)日:2023-11-02
申请号:US18079695
申请日:2022-12-12
Inventor: Yong Seok Choi , Soon Chul Byun , Byeng Dong Youn , Won Gon Kim , Hwa Yong Jeong
IPC: H01M10/04 , H01M10/0562 , H01M10/0585
CPC classification number: H01M10/0468 , H01M10/0562 , H01M10/0585 , H01M10/0481
Abstract: A system and a method for estimating pressure distribution of a battery cell evaluate distribution of pressure applied to the battery cell due to applied loads during the pressure test of the battery cell. The method includes disposing the battery cell in a pressing apparatus and pressing the battery cell, measuring strains by strain sensors provided in the pressing apparatus, and estimating a pressure distribution applied to the battery cell based on the strains.
-
公开(公告)号:US11559784B2
公开(公告)日:2023-01-24
申请号:US16968771
申请日:2019-11-07
Applicant: LG Chem, Ltd.
Inventor: Yong Seok Choi , Yeon Woo Hong , Eunji Shin , Taebin Ahn
Abstract: Provided is a method of preparing a superabsorbent polymer. More particularly, provided is a method of preparing a superabsorbent polymer, the method capable of preparing the superabsorbent polymer maintaining excellent basic absorption performances such as centrifugal retention capacity, absorbency under load, etc. while also exhibiting an improved absorption rate.
-
公开(公告)号:US11161942B2
公开(公告)日:2021-11-02
申请号:US16485607
申请日:2019-01-25
Applicant: LG Chem, Ltd.
Inventor: Sung Soo Park , Gicheul Kim , Jeong Kug Cho , Ki Hyun Kim , Yong Seok Choi
Abstract: A method for preparing a superabsorbent polymer, and more particularly, a method for preparing a superabsorbent polymer in which it is possible to stably operate a process for preparing a fine powder reassembly while maintaining assembly strength of the fine powder reassembly, wherein a refined ratio is reducible, and an initial absorption speed of the superabsorbent polymer is improved, by adjusting a stirring speed and divisionally adding water to a fine powder in a process for the preparation of the fine powder reassembly, is provided.
-
公开(公告)号:US10388998B2
公开(公告)日:2019-08-20
申请号:US14324711
申请日:2014-07-07
Applicant: LG CHEM, LTD.
Inventor: Ji Young Choi , Bum Hyun Lee , Chae Ho Chung , Yong Seok Choi
IPC: H01M10/625 , H01M10/613 , H01M2/02 , B60L3/00 , H01M10/6557 , H01M10/6555 , B60L58/26 , B60L50/64 , H01M10/617
Abstract: Disclosed herein is a battery pack including a plurality of battery modules, each having a battery cell or a unit module (unit cell) that can be charged and discharged, mounted in a pack case, wherein two or more unit cells constitute one battery module, two or more battery modules are arranged in a length direction of the battery pack to constitute one battery module group, two battery module groups are arranged in a width direction of the battery pack in a state in which the battery module groups are spaced apart from each other such that a coolant discharge part is defined between the battery module groups, a coolant inlet port is independently formed at a region of the pack case corresponding to each of the battery modules located at a position opposite to the coolant discharge part, and a coolant outlet port is formed at a front or a rear of the pack case in the length direction of the battery pack such that coolant introduced through the respective coolant inlet ports cools the unit cells of the respective battery modules while passing through the respective battery modules and is then discharged out of the pack case.
-
公开(公告)号:US09660304B2
公开(公告)日:2017-05-23
申请号:US14448567
申请日:2014-07-31
Applicant: LG CHEM, LTD.
Inventor: Ji Young Choi , Suchan Park , Bum Hyun Lee , Dal Mo Kang , Yong Seok Choi
IPC: H01M10/50 , H01M10/613 , H01M2/10 , H01M10/625 , H01M10/647 , H01M10/6551 , H01M10/6566 , B60K6/00 , B60L11/18
CPC classification number: H01M10/647 , B60K6/00 , B60L11/1874 , B60L11/1879 , B60L2240/545 , H01M2/1077 , H01M10/613 , H01M10/625 , H01M10/6551 , H01M10/6566 , Y02T10/7005 , Y02T10/705
Abstract: Disclosed herein is a battery pack including a plurality of battery modules, each having a battery cell or a unit module (unit cell) that can be charged and discharged, mounted in a pack case, wherein two or more unit cells constitute one battery module, two or more battery modules are arranged in a length direction of the battery pack to constitute one battery module group, two battery module groups are arranged in a width direction of the battery pack in a state in which the batter module groups are spaced apart from each other such that a coolant discharge part is defined between the battery module groups, a coolant inlet port is independently formed at a region of the pack case corresponding to each of the battery modules located at a position opposite to the coolant discharge part, and a coolant outlet port is formed at a front or a rear of the pack case in the length direction of the battery pack such that coolant introduced through the respective coolant inlet ports cools the unit cells of the respective battery modules while passing through the respective battery modules and is then discharged out of the pack case.
-
公开(公告)号:US20210008521A1
公开(公告)日:2021-01-14
申请号:US16968771
申请日:2019-11-07
Applicant: LG Chem, Ltd.
Inventor: Yong Seok Choi , Yeon Woo Hong , Eunji Shin , Taebin Ahn
Abstract: Provided is a method of preparing a superabsorbent polymer. More particularly, provided is a method of preparing a superabsorbent polymer, the method capable of preparing the superabsorbent polymer maintaining excellent basic absorption performances such as centrifugal retention capacity, absorbency under load, etc. while also exhibiting an improved absorption rate.
-
公开(公告)号:US10074881B2
公开(公告)日:2018-09-11
申请号:US14535872
申请日:2014-11-07
Applicant: LG CHEM, LTD.
Inventor: Jun Yeob Seong , Yong Seok Choi , Dal Mo Kang
IPC: H01M10/613 , H01M10/656 , H01M10/6563 , H01M10/647 , B60L11/18 , H01M10/6551 , H01M10/6555 , B60K11/06 , B60K1/00 , H01M10/04 , H01M2/10 , H01M10/6566
CPC classification number: H01M10/613 , B60K11/06 , B60K2001/005 , B60L50/64 , B60L58/21 , B60L58/26 , H01M2/1072 , H01M2/1077 , H01M10/0413 , H01M10/0436 , H01M10/0481 , H01M10/647 , H01M10/6551 , H01M10/6555 , H01M10/6563 , H01M10/6566 , H01M2220/20 , Y02T10/7005 , Y02T10/7061
Abstract: A battery module including two or more stacked battery cells which can be charged and discharged and at least one cooling plate comprising a thermal conduction portion and at least one heat dissipation portion connected to said thermal conduction portion, the thermal conduction portion being disposed between one or more adjacent battery cells, and the at least one heat dissipation portion extending beyond the adjacent battery cells and including one or more bend is provided.
-
公开(公告)号:US10020549B2
公开(公告)日:2018-07-10
申请号:US14266446
申请日:2014-04-30
Applicant: LG CHEM, LTD.
Inventor: Bum Hyun Lee , Dal Mo Kang , Yong Seok Choi , Jaemin Lee
IPC: H01M10/625 , H01M10/61 , H01M10/6551 , H01M10/647 , H01M10/6556 , H01M10/6567 , H01M10/613 , H01M2/10
CPC classification number: H01M10/61 , H01M2/1077 , H01M10/613 , H01M10/625 , H01M10/647 , H01M10/6551 , H01M10/6556 , H01M10/6567 , H01M2220/20
Abstract: Disclosed herein is a battery module including chargeable and dischargeable battery cells mounted in a module case, wherein the battery cells are mounted in the module case in a state in which the battery cells are stacked in a lateral direction in which electrode terminals are not located, the module case is configured to have a frame structure open at one or more surfaces thereof, the module case including a receiving part to mount the battery cells, and a heat dissipation support member to dissipate heat from the battery cells through thermal conduction based on direct or indirect contact with the battery cells is mounted in the receiving part, in which the battery cells are mounted.
-
-
-
-
-
-
-
-
-