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公开(公告)号：US09923198B2
公开(公告)日：2018-03-20
申请号：US14816146
申请日：2015-08-03
Inventor： Ryounghee Kim , Byungjin Choi , Donghan Kim , Jinhwan Park
IPC: H01M4/36 , H01M4/525 , H01M10/052 , H01M4/505 , H01M4/485 , H01M4/02 , H01M10/0525
CPC classification number: H01M4/366 , H01M4/485 , H01M4/505 , H01M4/525 , H01M10/052 , H01M10/0525 , H01M2004/021 , H01M2004/028
Abstract: A cathode active material including a layered lithium metal composite oxide including a first lithium metal oxide and a second lithium metal oxide having different crystal structures, and a third lithium metal oxide which is incapable of intercalating and deintercalating lithium in a charge and discharge voltage range of about 2.0 volts to about 4.7 volts versus lithium Li/Li+. Also, a cathode and a lithium battery including the cathode active material, and a method of preparing the cathode active material.
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32.发明授权公开(公告)号：US09728781B2
公开(公告)日：2017-08-08
申请号：US14499408
申请日：2014-09-29
Applicant: Samsung Electronics Co., Ltd.
Inventor： Dongwook Han , Seoksoo Lee , Guesung Kim , Ryounghee Kim , Kwangjin Park , Wonseok Chang
IPC: H01M4/505 , H01M10/054 , C01G45/12 , H01M4/525 , H01M4/485
CPC classification number: H01M4/505 , C01G45/1228 , C01P2002/76 , C01P2006/40 , H01M4/485 , H01M4/525 , H01M10/054 , H01M2220/30
Abstract: A sodium manganese composite oxide represented by Formula 1: NaxMayMnzMbvO2+d Formula 1 wherein, 0.2≦x≦1, 0
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33.发明公开公开(公告)号：US20240222700A1
公开(公告)日：2024-07-04
申请号：US18590401
申请日：2024-02-28
Applicant: Samsung Electronics Co., Ltd.
Inventor： Ryounghee Kim , Gabin Yoon , Jusik Kim
IPC: H01M10/0562 , H01M10/0525
CPC classification number: H01M10/0562 , H01M10/0525 , H01M2300/0071
Abstract: Provided are an oxide including a compound represented by Formula 1, a method of preparing the same, a solid electrolyte including the oxide, and an electrochemical device including the oxide:
wherein, in Formula 1, M is an element having an oxidation number of +3,
A is an element having an oxidation number of +4, +5, or +6, or a combination thereof,
when A is an element having an oxidation number of +4, a is 1+y+2x−z,
when A is an element having an oxidation number of +5, a is 1+2x−z,
when A is an element having an oxidation number of +6, a is 1−y+2x−z,
X is a halogen atom or a pseudohalogen, and
0≤y-
公开(公告)号：US11996552B2
公开(公告)日：2024-05-28
申请号：US17391400
申请日：2021-08-02
Applicant: Samsung Electronics Co., Ltd. , Samsung SDI Co., Ltd.
Inventor： Youngeal Kim , Ryounghee Kim , Seokgwang Doo , Satoshi Maruyama , Toshinori Sugimoto , Dongmin Im
IPC: H01M4/36 , H01M4/485 , H01M4/62 , H01M10/052 , H01M10/0525 , H01M4/02
CPC classification number: H01M4/366 , H01M4/485 , H01M4/628 , H01M10/052 , H01M10/0525 , H01M2004/021 , H01M2004/027
Abstract: An anode, a lithium battery including the anode, and a method of preparing the anode. The anode includes a current collector; a first anode layer disposed on the current collector; a second anode layer disposed on the first anode layer; and an inorganic protection layer disposed on the second anode layer, wherein an oxidation/reduction potential of the first anode layer and an oxidation/reduction potential of the second anode layer are different from each other.
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公开(公告)号：US11942593B2
公开(公告)日：2024-03-26
申请号：US17545036
申请日：2021-12-08
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hyeokjo Gwon , Jinkyu Kang , Kitae Park , Hyunchul Lee , Ryounghee Kim , Euncheol Do , Soojin Park , Sangmin Ji
IPC: H01M10/052 , H01M10/0567 , H01M50/403 , H01M50/417 , H01M50/429 , H01M50/44 , H01M50/449 , H01M50/457 , H01M50/46 , H01M50/48 , H01M50/489 , H01M50/491 , H01M50/494
CPC classification number: H01M10/052 , H01M10/0567 , H01M50/417 , H01M50/429 , H01M50/44 , H01M50/449 , H01M50/457 , H01M50/46 , H01M50/403 , H01M50/489 , H01M50/491 , H01M50/494
Abstract: Provided herein is a lithium battery including: a cathode including a cathode active material; an anode including an anode active material; an electrolyte between the cathode and the anode; and a separator impregnated with the electrolyte, wherein the separator includes carboxyl group-containing microbial cellulose nanofibers, and wherein a differential scanning calorimetry (DSC) thermogram of the separator evinces an exothermic reaction peak, represented by a differential value (dH/dT), at a temperature in a range of about 150° C. to about 200° C.
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Patent Agency Ranking
公开(公告)号：US20210249655A1
公开(公告)日：2021-08-12
申请号：US16989956
申请日：2020-08-11
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Hyeokjo Gwon , Jusik Kim , Wooyoung Yang , Ryounghee Kim , Sewon Kim , Sungkyun Jung
IPC: H01M4/525 , H01M4/133 , H01M4/131 , H01M4/36 , H01M10/0525
Abstract: A composite solid electrolyte including: a porous nanostructure; and a solid electrolyte disposed on a surface of the porous nanostructure, wherein the composite solid electrolyte satisfies Equation 1 0
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公开(公告)号：US20210043925A1
公开(公告)日：2021-02-11
申请号：US17078269
申请日：2020-10-23
Applicant: Samsung Electronics Co., Ltd. , Samsung SDI Co., Ltd.
Inventor： Donghan Kim , Ryounghee Kim , Jinhwan Park , Jayhyok Song , Byongyong Yu , Byungjin Choi
Abstract: A composite positive electrode active material includes: a first metal oxide that has a layered structure and is represented by Formula 1; and a second metal oxide that has a spinel structure and is represented by Formula 2, wherein the composite positive electrode active material includes a composite of the first metal oxide and the second metal oxide: LiMO2 Formula 1 LiMe2O4 Formula 2 wherein, in Formulas 1 and 2, M and Me are each independently at least one element selected from Groups 2 to 14 of the periodic table, and a molar ratio of Li/(M+Me) in the composite is less than 1.
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公开(公告)号：US10658662B2
公开(公告)日：2020-05-19
申请号：US15032836
申请日：2014-04-29
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jusik Kim , Seoksoo Lee , Ryounghee Kim , Wonseok Chang
IPC: H01M4/505 , H01M4/485 , H01M4/38 , H01M4/131 , H01M4/66 , H01M4/62 , H01M10/054 , H01M10/0568 , H01M10/0569 , C01G45/12 , C01G45/02 , H01M4/04 , H01M4/1391 , H01M4/02
Abstract: Provided are an electrode active material for a magnesium battery, including a complex transition metal oxide which is represented by a Formula 1 below and which includes λ-MnO2 phase having a cubic structure at a percentage of 60% or higher, an electrode and a magnesium battery including the same, and a method of preparing the electrode active material for a magnesium battery: MxMnyOz In the Formula 1, 0
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公开(公告)号：US09742005B2
公开(公告)日：2017-08-22
申请号：US14806903
申请日：2015-07-23
Inventor： Byungjin Choi , Donghan Kim , Ryounghee Kim , Jinhwan Park
CPC classification number: H01M4/364 , C01G45/1228 , C01G45/125 , C01G45/1264 , C01G53/50 , C01P2002/34 , C01P2002/72 , C01P2004/82 , C01P2006/40 , H01M4/485 , H01M4/505 , H01M4/525 , H01M10/052 , H01M2004/028
Abstract: A composite cathode active material including: a first metal oxide having a layered crystal structure; and a second metal oxide having a perovskite crystal structure, wherein the second metal oxide includes a first metal and a second metal that are each 12-fold cubooctahedrally coordinated to oxygen. Also a cathode including the composite cathode material and a lithium battery containing the cathode.
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40.发明申请CATHODE ACTIVE MATERIAL, CATHODE AND LITHIUM BATTERY INCLUDING THE SAME, AND METHOD OF PREPARING THE CATHODE ACTIVE MATERIAL 有权阴极活性材料，阴极和锂电池，包括它们，以及制备阴极活性材料的方法公开(公告)号：US20160190557A1
公开(公告)日：2016-06-30
申请号：US14816146
申请日：2015-08-03
Inventor： Ryounghee Kim , Byungjin Choi , Donghan Kim , Jinhwan Park
CPC classification number: H01M4/366 , H01M4/485 , H01M4/505 , H01M4/525 , H01M10/052 , H01M10/0525 , H01M2004/021 , H01M2004/028
Abstract: A cathode active material including a layered lithium metal composite oxide including a first lithium metal oxide and a second lithium metal oxide having different crystal structures, and a third lithium metal oxide which is incapable of intercalating and deintercalating lithium in a charge and discharge voltage range of about 2.0 volts to about 4.7 volts versus lithium Li/Li+. Also, a cathode and a lithium battery including the cathode active material, and a method of preparing the cathode active material.
Abstract translation: 包括具有不同结晶结构的第一锂金属氧化物和第二锂金属氧化物的层状锂金属复合氧化物的正极活性物质和不能在充放电电压范围内插入和脱嵌锂的第三锂金属氧化物 对于Li / Li +相对于约2.0伏至约4.7伏。 另外，包括正极活性物质的阴极和锂电池，以及制备正极活性物质的方法。
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