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公开(公告)号：US20240322178A1
公开(公告)日：2024-09-26
申请号：US18615795
申请日：2024-03-25
发明人： Woojin Bae , Jongseok Moon , Kanghee Lee , Hyunsik Woo , Jongseok Park , Heemin Kim , Jinhwan Park
IPC分类号： H01M4/62 , H01M4/02 , H01M4/66 , H01M10/052
CPC分类号： H01M4/622 , H01M4/661 , H01M4/667 , H01M2004/027 , H01M10/052
摘要： A binder, and an anode and a lithium battery each including the binder are disclosed. The binder includes a third polymer being a cross-linked product of a first polymer and a water-soluble second polymer, where the first polymer includes a first functional group and at least one selected from polyamic acid and polyimide each substituted with fluorine, and the water-soluble second polymer includes a second functional group, wherein the first polymer is cross-linked to the second polymer by an ester bond formed via a reaction between the first functional group and the second functional group.
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42.发明公开公开(公告)号：US20240322137A1
公开(公告)日：2024-09-26
申请号：US18614502
申请日：2024-03-22
发明人： Yuta TASHIRO , Hidekazu YAMAMOTO
IPC分类号： H01M4/36 , H01M4/02 , H01M4/583 , H01M4/60 , H01M10/0525
CPC分类号： H01M4/366 , H01M4/583 , H01M4/602 , H01M2004/027 , H01M10/0525
摘要： An electrode for a non-aqueous electrolyte rechargeable battery includes a current collector, an electrode mixture layer, and a conductive base layer between the current collector and the electrode mixture layer, wherein the base layer includes a styrene-butadiene copolymer, a carbon material, and poly(meth)acrylic acid, an amount of the styrene-butadiene copolymer in the base layer is greater than or equal to about 50 wt % and less than or equal to about 90 wt % based on 100 wt % of the base layer, in the poly(meth)acrylic acid, carboxyl groups included in the poly(meth)acrylic acid are not neutralized, or a proportion of neutralized carboxyl groups among the carboxyl groups is less than or equal to about 75%, and a weight per unit area of the electrode mixture layer at one surface of the current collector is greater than or equal to about 10 mg/cm2 and less than or equal to about 35 mg/cm2.
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公开(公告)号：US20240322136A1
公开(公告)日：2024-09-26
申请号：US18614480
申请日：2024-03-22
发明人： Donggeun Lee , Yeonhee Yoon , Seongdae Kim , Jinhyon Lee , Ilkyong Kwon , Hyun Nam , Ahram Pyun
IPC分类号： H01M4/36 , H01M4/62 , H01M4/66 , H01M10/052
CPC分类号： H01M4/366 , H01M4/621 , H01M4/625 , H01M4/661 , H01M10/052
摘要： A dry electrode film, and a dry electrode and a lithium battery that includes the dry electrode film, wherein the dry electrode film includes a first dry electrode active material layer including a first dry electrode active material and a first dry binder fibrillized in a first direction, and a second dry electrode active material layer disposed on a surface of the first dry electrode active material layer and including a second dry electrode active material and a second dry binder fibrillized in a second direction that is different from the first direction, wherein the dry electrode film is a self-standing film.
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公开(公告)号：US20240322127A1
公开(公告)日：2024-09-26
申请号：US18474638
申请日：2023-09-26
发明人： Inhyuk Son , Sungnim Jo , Kyueun Shim , Jinhwan Park
CPC分类号： H01M4/366 , H01M4/364 , H01M4/386 , H01M4/483 , H01M4/583 , H01M4/623 , H01M4/625 , H01M4/663 , H01M10/052 , H01M2004/021 , H01M2004/027
摘要： A dry anode film, and a dry anode and a lithium battery, each including the dry anode film are provided. The dry anode film includes a dry anode active material and a dry binder, wherein the dry anode active material includes a composite anode active material including a core and a shell provided along a surface of the core. The core includes a carbon-based material, a mixture of a carbon-based material and a silicon-based active material, a composite of a carbon-based material and a silicon-based active material, or a combination thereof. The shell includes a composite including at least one first metal oxide and a first carbon-based material, the at least one first metal oxide is provided within a matrix of the first carbon-based material.
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公开(公告)号：US20240319605A1
公开(公告)日：2024-09-26
申请号：US18413619
申请日：2024-01-16
发明人： Hyeonil Jung , Youngmin Kim , Yejin Kim , Soyeon Park , Sunyoung Yang , Shinhyo Bae , Sungeun Lee , Hyungseok Park , Chaerin Song
IPC分类号： G03F7/20
CPC分类号： G03F7/202
摘要： A hardmask composition, a hardmask layer including a cured product of the hardmask composition, and a method of forming patterns using the hardmask layer manufactured from the hardmask composition, the hardmask composition includes a polymer including a structural unit represented by Chemical Formula 1; and a solvent,
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公开(公告)号：US20240319425A1
公开(公告)日：2024-09-26
申请号：US18603928
申请日：2024-03-13
发明人： Ji Hyun WI , Eun Mi KIM , A Ra JO , Min Jeong PARK , Han Su KIM
IPC分类号： G02B5/30 , G02F1/1335
CPC分类号： G02B5/3025 , G02F1/133531
摘要： A polarizing plate and an optical display apparatus are disclosed. A polarizing plate includes a polarizer and a protective film stacked on a light exit surface of the polarizer, and the protective film includes a polyester based base layer and an antiglare layer stacked on a surface of the polyester based base layer, and the protective film has an in-plane retardation of 100 nm to 4,000 nm at a wavelength of 550 nm, a total haze of 40% to 80%, and a ratio of internal haze to external haze of greater than 0 to 0.2.
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公开(公告)号：US20240313199A1
公开(公告)日：2024-09-19
申请号：US18485036
申请日：2023-10-11
发明人： Kyueun Shim , Sungnim Jo , Inhyuk Son , Sangkook Mah
IPC分类号： H01M4/36 , C01G53/00 , H01M4/131 , H01M4/133 , H01M4/505 , H01M4/525 , H01M4/587 , H01M10/0525
CPC分类号： H01M4/366 , C01G53/50 , H01M4/131 , H01M4/133 , H01M4/505 , H01M4/525 , H01M4/587 , H01M10/0525 , C01P2002/54 , C01P2004/03 , C01P2004/53 , C01P2004/61 , C01P2004/80 , C01P2006/40 , H01M2004/021 , H01M2004/028
摘要： Provided are a composite cathode active material, a cathode and a lithium battery which include the same, and a method of manufacturing a composite cathode active material. The composite cathode active material includes: a 1st core including a first lithium transition metal oxide; a 2nd core including a second lithium transition metal oxide; and a shell over a surface of at least one selected from the 1st core and the 2nd core, wherein the shell includes at least one first metal oxide, a first carbon-based material, and a second carbon-based material, wherein the first metal oxide is included inside a matrix of the first carbon-based material, the first metal oxide is represented by Formula MaOb (0
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公开(公告)号：US12095039B2
公开(公告)日：2024-09-17
申请号：US17249237
申请日：2021-02-24
发明人： Jinkyu Kim , Kyulin Lee , Jeonghye Lee , Byeonggyu Cho , Sangil Han
IPC分类号： H01M10/0585 , H01M4/587 , H01M4/62 , H01M10/0525 , H01M10/0562 , H01M4/02
CPC分类号： H01M10/0585 , H01M4/587 , H01M4/622 , H01M10/0525 , H01M10/0562 , H01M2004/021 , H01M2004/027 , H01M2300/008
摘要： An all-solid secondary battery includes a cathode; an anode including natural graphite; and a solid electrolyte layer between the cathode and the anode, wherein the natural graphite has an average particle diameter (D50) in a range of greater than about 10 μm to about 20 μm or less and includes an amorphous carbon coating layer.
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公开(公告)号：US20240304910A1
公开(公告)日：2024-09-12
申请号：US18532979
申请日：2023-12-07
发明人： Kwan Sic CHUN
IPC分类号： H01M50/169 , H01M50/107 , H01M50/152 , H01M50/167 , H01M50/342 , H01M50/536 , H01M50/567 , H01M50/583
CPC分类号： H01M50/169 , H01M50/107 , H01M50/152 , H01M50/167 , H01M50/3425 , H01M50/536 , H01M50/567 , H01M50/583
摘要： A secondary battery including an electrode assembly including a first electrode plate, a separator, and a second electrode plate; a case accommodating the electrode assembly; a rivet terminal that penetrates the case and is electrically connected to the first electrode plate of the electrode assembly; and a vent plate that seals the case and is directly electrically connected to the second electrode plate of the electrode assembly.
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50.发明公开公开(公告)号：US20240304873A1
公开(公告)日：2024-09-12
申请号：US18238645
申请日：2023-08-28
发明人： In Seop BYUN
CPC分类号： H01M10/4235 , H01M4/0416 , H01M4/0471 , H01M10/0431
摘要： A method for manufacturing an electrode assembly and an electrode assembly prepared according to the method, the method including preparing an electrode assembly body; preparing a binder solution in a storage tank; impregnating a first region of one end of the electrode assembly body with the binder solution; and drying the binder solution applied to the electrode assembly body.
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