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公开(公告)号：US20210376430A1
公开(公告)日：2021-12-02
申请号：US17402423
申请日：2021-08-13
发明人： Hyun-Soo Lee , Jeong-Won Oh , Sang-Shin Choi
IPC分类号： H01M50/543 , H01M10/04 , H01M50/147 , H01M50/209 , H01M50/502
摘要： An aspect of the present invention provides a rechargeable battery which makes placement of the electrode assembly in the case during assembly easy. The rechargeable battery includes an electrode assembly including a first electrode, a separator, and a second electrode, a case housing the electrode assembly and having an opening in a plane parallel to a flat side surface of the electrode assembly, the case being electrically connected to the first electrode, a cover closing the opening in the case, and an electrode terminal mounted to a terminal opening in the case and connected to the second electrode, wherein the electrode terminal and the second electrode are insulated from the case.
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公开(公告)号：US20210376309A1
公开(公告)日：2021-12-02
申请号：US17336052
申请日：2021-06-01
发明人： Inhyuk Son , Sangkook Mah , Sungnim Jo , Guesung Kim , Jongseok Moon , Andrei Kapylou
IPC分类号： H01M4/131 , H01M4/134 , H01M4/133 , H01M4/1391 , H01M4/1395 , H01M4/1393 , H01M10/0525
摘要： A composite cathode active material includes: a core including a lithium transition metal oxide; and a shell disposed on and conformal to a surface of the core, wherein the shell includes at least one first metal oxide represented by Formula MaOb (0
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163.发明申请公开(公告)号：US20210376245A1
公开(公告)日：2021-12-02
申请号：US17336558
申请日：2021-06-02
发明人： Jonghoon KIM , Youngmook LIM , Changwoo KIM , Hansol SEO , Hyung Sun KIM , Mijin LEE , Sung-Hyun JUNG , Ho Kuk JUNG , Youngkyoung JO , Dalho HUH
IPC分类号： H01L51/00
摘要： A composition for an organic optoelectronic device, an organic optoelectronic device, and a display device, the composition including a first compound represented by Chemical Formula I, a second compound represented by Chemical Formula II, and a third compound represented by Chemical Formula III,
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164.发明申请公开(公告)号：US20210371713A1
公开(公告)日：2021-12-02
申请号：US17332566
申请日：2021-05-27
发明人： Irina NAM , Tae Ji KIM , Won KIM , Il Jin KIM , Jung Hyo LEE , Oh Hyeon HWANG
IPC分类号： C09J133/08 , C09J151/08
摘要： Disclosed herein are an adhesive protective film, an optical member including the same, and an optical display including the same. An adhesive protective film is formed of a composition including a (meth)acrylic binder derived from a monomer mixture including: an alkyl group-containing (meth)acrylic monomer; and at least one selected from among a hydroxyl group-containing (meth)acrylic monomer, a carboxyl group-containing (meth)acrylic monomer, and a polysiloxane (meth)acrylate, the adhesive protective film having an initial peel strength of about 100 gf/inch or less and a peel strength decrease rate of about 50% or less, as calculated according to Equation 1.
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公开(公告)号：US11189820B2
公开(公告)日：2021-11-30
申请号：US16312913
申请日：2017-06-20
发明人： Jung Hyuck Choi , Won Shik Park
IPC分类号： H01M4/04 , H01M10/0587 , H01M4/64 , H01M10/04
摘要： The present invention relates to a method for manufacturing a secondary battery and a secondary battery using the same, which can improve the quality of a cut surface of an electrode plate and improve the reliability of the secondary battery. For example, disclosed is a method for manufacturing a secondary battery, the method comprising: an active material layer forming step of forming an active material layer by coating an active material on both surfaces of a collector plate; an active material layer removing step of removing a part of the active material layer by irradiating a laser beam to the both surfaces of the collector plate; and a cutting step of cutting the collector plate by irradiating a laser beam onto the collector plate from which the active material layer has been removed in the active material layer removing step.
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公开(公告)号：US20210363423A1
公开(公告)日：2021-11-25
申请号：US17053143
申请日：2019-04-05
发明人： Ki Wook HWANG , Sang Ran KOH , Youn Jin CHO , Jung Min CHOI , Kwen Woo HAN , Jun Young Jang , Yong Woon YOON
IPC分类号： C09K13/06 , H01L21/311
摘要： An etching composition for silicon nitride comprising: a phosphoric acid compound; water; and at least one of a silane compound represented by Formula 1 and a reaction product thereof, and an etching method using the same are disclosed.
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公开(公告)号：US11183681B2
公开(公告)日：2021-11-23
申请号：US16504747
申请日：2019-07-08
发明人： Sukgi Hong , Dongwook Shin , Byongyong Yu , Jinhwan Park , Jayhyok Song , Donghee Yeon , Byungjin Choi , Jinsu Ha , Dongjin Ham
摘要： A composite cathode active material includes a secondary particle; and a coating on a surface of the secondary particle, wherein the secondary particle comprises a plurality of primary particles, and the plurality of primary particles include a lithium nickel transition metal oxide having a layered crystal structure; and a grain boundary between primary particles of the plurality of primary particles, the grain boundary including a lithium metal oxide having a crystal structure different from the lithium nickel transition metal oxide having a layered crystal structure, wherein the coating on the surface of the secondary particle includes a metal oxide including cobalt, and a Group 2 element, a Group 12 element, a Group 13 element, or a combination thereof.
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公开(公告)号：US20210359347A1
公开(公告)日：2021-11-18
申请号：US17265774
申请日：2019-08-06
IPC分类号： H01M10/42 , H01M10/0525 , H01M10/48
摘要： The present disclosure provides an electrical device including a battery cell, a voltage sensor operatively coupled to the battery cell in order to measure a voltage level of the battery cell, a current sensor operatively coupled to the battery cell in order to measure an amount of current drawn from or supplied to the battery cell, and a battery management system (BMS). The battery management system includes a controller In communication with the voltage sensor and the current sensor. The controller is configured to execute a program stored in the BMS to calculate a state of health of the individual battery electrodes comprising a battery cell using a first differential voltage point, a second differential voltage point, and a characteristic curve of a fresh battery electrode of a fresh battery cell, wherein the battery cell includes a second battery electrode not exhibiting distinct phase transitions during a charge-discharge cycle.
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公开(公告)号：US20210355327A1
公开(公告)日：2021-11-18
申请号：US17391348
申请日：2021-08-02
发明人： Hyewon SEO , Chaewon PAK , Myoungyoup SHIN , Sunwoong SHIN , Euisoo JEONG , Kyubuem CHOI
摘要： Provided are a core-shell dye includes a core including a compound represented by Chemical Formula 1 and a shell surrounding the core and represented by Chemical Formula 2 or Chemical Formula 3, a photosensitive resin composition including the same, and a color filter manufactured using the photosensitive resin composition. (In Chemical Formulae 1 to 3, each substituent is the same as defined in the specification.)
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公开(公告)号：US20210351481A1
公开(公告)日：2021-11-11
申请号：US17236229
申请日：2021-04-21
发明人： Seokbong Lee
IPC分类号： H01M50/519 , H01M50/284
摘要： A battery pack includes: a battery cell; a main circuit board electrically connected to the battery cell and extending in a first direction; and a flexible circuit board extending in the first direction in parallel with the main circuit board and including an external connection terminal located at a position outside the main circuit board, and the main circuit board and the flexible circuit board respectively include first and second coupling pads overlapping each other and coupled to each other.
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