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公开(公告)号：US20230352723A1
公开(公告)日：2023-11-02
申请号：US18079695
申请日：2022-12-12
发明人： Yong Seok Choi , Soon Chul Byun , Byeng Dong Youn , Won Gon Kim , Hwa Yong Jeong
IPC分类号： H01M10/04 , H01M10/0562 , H01M10/0585
CPC分类号： H01M10/0468 , H01M10/0562 , H01M10/0585 , H01M10/0481
摘要： 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.
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公开(公告)号：US10702626B2
公开(公告)日：2020-07-07
申请号：US16077338
申请日：2017-11-27
发明人： Yong Seok Choi , Young Sam Kim , Jong Doo Lim , Jong-Chan Lee , Na Kyung Kim , Jinseok Kim
IPC分类号： 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
摘要： 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.
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公开(公告)号：US20190046682A1
公开(公告)日：2019-02-14
申请号：US16077338
申请日：2017-11-27
发明人： Yong Seok Choi , Young Sam Kim , Jong Doo Lim , Jong-Chan Lee , Na Kyung Kim , Jinseok Kim
IPC分类号： A61L15/60 , B01J20/26 , B01J20/06 , B01J20/28 , B01J20/30 , A61L15/42 , A61L15/44 , A61L15/18 , A61L15/26
摘要： 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.
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公开(公告)号：US20240136572A1
公开(公告)日：2024-04-25
申请号：US18450888
申请日：2023-08-15
发明人： Young Jin Nam , Yong Guk Gwon , Jae Ho Shin , Yong Seok Choi , Min Sun Kim
IPC分类号： H01M10/0562 , H01M4/134 , H01M10/0585
CPC分类号： H01M10/0562 , H01M4/134 , H01M10/0585
摘要： An all-solid-state battery having an increased lifespan is equipped with a pressure pad layer. More particularly, the all-solid-state battery includes a unit cell and a pressuring pad layer. The unit cell is composed of a cathode, an anode, and a solid electrolyte layer positioned between the cathode and the anode. The pressurizing pad layer is positioned on each side of the unit cell and includes a non-porous upper layer, a non-porous lower layer, and a porous core layer positioned between the non-porous upper layer and the non-porous lower layer.
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5.发明申请公开(公告)号：US20220302493A1
公开(公告)日：2022-09-22
申请号：US17683574
申请日：2022-03-01
发明人： Yong Guk Gwon , Hoon Seok , Min Sun Kim , Yong Seok Choi , Ju Min Kim
IPC分类号： H01M10/058 , H01M50/105
摘要： A pouch-type all-solid-state battery having a reference electrode and a method of manufacturing the same, includes: a unit cell including an anode portion, a cathode portion, and a solid electrolyte portion having a sheet shape and located between the anode portion and the cathode portion; and an external member including a space for accommodating the unit cell therein, wherein the solid electrolyte portion includes: an electrode accommodating portion in which the anode portion and the cathode portion are accommodated; and an extension portion having a predetermined area extending from a side surface of the electrode accommodating portion, wherein a reference electrode portion is positioned on one surface of the extension portion.
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公开(公告)号：US20230395839A1
公开(公告)日：2023-12-07
申请号：US18080480
申请日：2022-12-13
发明人： Yong Seok Choi , Yong Guk Gwon , Jae Ho Shin , Ga Young Choi , Ju Min Kim , Min Sun Kim
IPC分类号： H01M8/2483 , H01M50/548 , H01M8/1041
CPC分类号： H01M8/2483 , H01M50/548 , H01M8/1041 , H01M2008/1095
摘要： An all-solid-state battery, in which a cathode part and an anode part are coupled in a state of being folded in a zigzag form, is disclosed. The cathode part has a shape folded in a zigzag form such that the cathode part is divided into unit areas each corresponding to an area of a unit cathode. The anode part has a shape folded in a zigzag form such that the anode part is divided into unit areas each corresponding to an area of a unit anode. A protrusion portion of the cathode part may be inserted into a recessed portion of the anode part, and a protrusion portion of the anode part may be inserted into a recessed portion of the cathode part.
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公开(公告)号：US20240234802A9
公开(公告)日：2024-07-11
申请号：US18450888
申请日：2023-08-16
发明人： Young Jin Nam , Yong Guk Gwon , Jae Ho Shin , Yong Seok Choi , Min Sun Kim
IPC分类号： H01M10/0562 , H01M4/134 , H01M10/0585
CPC分类号： H01M10/0562 , H01M4/134 , H01M10/0585
摘要： An all-solid-state battery having an increased lifespan is equipped with a pressure pad layer. More particularly, the all-solid-state battery includes a unit cell and a pressuring pad layer. The unit cell is composed of a cathode, an anode, and a solid electrolyte layer positioned between the cathode and the anode. The pressurizing pad layer is positioned on each side of the unit cell and includes a non-porous upper layer, a non-porous lower layer, and a porous core layer positioned between the non-porous upper layer and the non-porous lower layer.
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公开(公告)号：US20230420764A1
公开(公告)日：2023-12-28
申请号：US17994742
申请日：2022-11-28
发明人： Min Sun Kim , Yong Guk Gwon , Ga Young Choi , Yong Seok Choi , Jae Ho Shin
IPC分类号： H01M10/625 , H01M10/613 , H01M10/6569
CPC分类号： H01M10/625 , H01M2220/20 , H01M10/6569 , H01M10/613
摘要： An all-solid-state battery system is disclosed, the system comprising an all-solid-state battery comprising a plurality of cells arranged in a closed inner space of a pressurization chamber and a pressurizing fluid filled in the closed inner space of the pressurization chamber, a state detector configured to detect state information of the all-solid-state battery, a controller configured to output a control signal configured for controlling a pressure applied to the plurality of cells by the pressurizing fluid in the inner space of the pressurization chamber based on the state information of the all-solid-state battery detected by the state detector, and a pressurizing device configured to control the pressure applied to the plurality of cells by the pressurizing fluid according to the control signal outputted by the controller.
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公开(公告)号：US20240186596A1
公开(公告)日：2024-06-06
申请号：US18509895
申请日：2023-11-15
发明人： Jae Ho Shin , Young Jin Nam , Min Sun Kim , Ga Young Choi , Yong Seok Choi , Yong Guk Gwon
CPC分类号： H01M10/4285 , H01M10/44 , H01M10/0562
摘要： A pressurizing system capable of actively varying and adjusting the pressure applied to a cell of an all-solid-state battery includes: a pressurizing mechanism provided to pressurize an all-solid-state battery and driven to adjust and vary the pressure applied to the all-solid-state battery; a driving device operated to drive the pressurizing mechanism; and a controller controlling the operation of the driving device so that the pressure to pressurize the all-solid-state battery can be adjusted and varied by the above pressurizing mechanism. When the all-solid-state battery is charged or discharged, the controller controls the operation of the driving device based on a pressure change rate so that the pressure for pressurizing the all-solid-state battery may be adjusted and varied according to the pressure change rate determined based on the state information of the all-solid-state battery.
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公开(公告)号：US20230121481A1
公开(公告)日：2023-04-20
申请号：US17967749
申请日：2022-10-17
发明人： Soon Chul Byun , Sang Mo Kim , Yong Seok Choi , Jae Min Lim , Hoon Seok , Sang Young Lee , Yong Hyeok Lee , Yi Su Jeong
IPC分类号： H01M10/056 , H01M10/052
摘要： Disclosed are a hybrid solid electrolyte sheet and a method of manufacturing the same. The hybrid solid electrolyte sheet includes a hybrid solid electrolyte layer including a gel polymer electrolyte, thereby securing flexibility and alleviating brittleness. In addition, the hybrid solid electrolyte sheet includes a porous polymer film having a plurality of pores, thus minimizing the content of the acrylate monomer in the pores thereof and providing advantages of maintaining the continuity of the solid electrolyte while minimizing a decrease in ionic conductivity.
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