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公开(公告)号：US20140370398A1
公开(公告)日：2014-12-18
申请号：US14264804
申请日：2014-04-29
Applicant: Electronics and Telecommunications Research Institute , UNIST Academy-Industry Research Corporation
Inventor： Young-Gi LEE , Kwang Man KIM , Kunyoung KANG , Dong Ok SHIN , Yoon Seok JUNG , Bum Ryong SHIN
IPC: H01M4/58 , H01M10/052 , H01M10/0562
CPC classification number: H01M4/5815 , H01M4/043 , H01M4/136 , H01M4/366 , H01M10/052 , H01M10/0562 , Y02E60/122 , Y02T10/7011 , Y10T29/49115
Abstract: A method of preparing a lithium battery according to an embodiment of the present invention may include preparing a mixture including lithium phosphorus sulfide and metal sulfide, preparing an electrode composite by applying a physical pressure to the mixture, wherein the electrode composite includes lithium phosphorus sulfide, lithium metal sulfide, and amorphous sulfide, preparing an electrode active layer by using the electrode composite, forming an electrode current collector on one side of the electrode active layer, and forming an electrolyte layer on another side of the electrode active layer.
Abstract translation: 根据本发明的实施方案的锂电池的制备方法可以包括制备包含硫化锂和金属硫化物的混合物，通过对混合物施加物理压力来制备电极复合材料，其中电极复合材料包括硫化磷锂， 锂金属硫化物和无定形硫化物，通过使用电极复合材料制备电极活性层，在电极活性层的一侧形成电极集电体，并在电极活性层的另一侧形成电解质层。
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公开(公告)号：US20140370396A1
公开(公告)日：2014-12-18
申请号：US14246653
申请日：2014-04-07
Inventor： Kunyoung KANG , Young-Gi LEE , Kwang Man KIM , Dong Ok SHIN
IPC: H01M10/0562 , H01M10/052
CPC classification number: H01M10/0562 , C09K11/06 , C09K2211/185 , H01M10/052 , H01M2220/30 , H01M2300/0068
Abstract: A method of preparing a lithium phosphate-based solid electrolyte according to an embodiment of the present invention may include preparing a precursor solution which includes a lithium compound, a phosphate compound, and an aluminum compound, forming a first intermediate by performing a hydrothermal reaction process on the precursor solution, forming a second intermediate by calcinating the first intermediate, and crystallizing the second intermediate. The precursor solution may further include a metal compound or a metalloid compound. The lithium phosphate-based solid electrolyte of the present invention may have high ionic conductivity and high purity.
Abstract translation: 根据本发明实施方案的制备磷酸锂基固体电解质的方法可以包括制备包含锂化合物，磷酸盐化合物和铝化合物的前体溶液，通过进行水热反应过程形成第一中间体 在前体溶液上，通过煅烧第一中间体并结晶第二中间体形成第二中间体。 前体溶液还可以包括金属化合物或准金属化合物。 本发明的磷酸锂系固体电解质可以具有高离子电导率和高纯度。
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公开(公告)号：US20140162136A1
公开(公告)日：2014-06-12
申请号：US13950441
申请日：2013-07-25
Inventor： Kunyoung KANG , Young-Gi LEE , Kwang Man KIM , Dong Ok SHIN
IPC: H01M10/0562 , H01M10/052 , C01B25/45
CPC classification number: H01M10/0562 , C01B25/45 , H01M10/052 , H01M2300/0068
Abstract: Disclosed are methods of forming lithium-aluminum-titanium phosphate. The method includes providing a precursor solution including a titanium compound and an aluminum compound, forming an intermediate using a hydrothermal reaction process performed on the precursor solution, adding a lithium compound and a phosphate compound to the intermediate, and firing a mixture of the lithium compound, the phosphate compound, and the intermediate.
Abstract translation: 公开了形成锂铝磷酸钛的方法。 该方法包括提供包括钛化合物和铝化合物的前体溶液，使用对前体溶液进行的水热反应方法形成中间体，向中间体中加入锂化合物和磷酸盐化合物，并将锂化合物 ，磷酸盐化合物和中间体。
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公开(公告)号：US20240072297A1
公开(公告)日：2024-02-29
申请号：US18229287
申请日：2023-08-02
Inventor： Jaecheol CHOI , Young-Gi LEE , Ju Young KIM
IPC: H01M10/052 , H01M4/04 , H01M10/0565
CPC classification number: H01M10/052 , H01M4/0404 , H01M10/0565 , H01M2300/0085
Abstract: Provided is a lithium battery including a first electrode structure, a second electrode structure spaced apart from the first electrode structure, and an electrolyte between the first electrode structure and the second electrode structure, wherein the electrolyte includes a lithium salt, an organic solvent, and an additive, the additive includes a metal salt compound catalyst, the metal salt compound catalyst activates a polymerization reaction of a cyclic carbonate in the organic solvent at a first temperature, and the first temperature ranges between about 100° C. and about 200° C.
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公开(公告)号：US20230299349A1
公开(公告)日：2023-09-21
申请号：US18084253
申请日：2022-12-19
Inventor： Jaecheol CHOI , Kwang Man KIM , Young-Gi LEE , Seok Hun KANG , Ju Young KIM , Dong Ok SHIN , Jimin OH
IPC: H01M10/0567 , H01M10/052
CPC classification number: H01M10/0567 , H01M10/052
Abstract: A lithium battery according to the inventive concept includes: a first electrode structure; a second electrode structure separated from the first electrode structure; and an electrolyte between the first electrode structure and the second electrode structure, wherein the electrolyte includes: a lithium salt; an organic solvent; and an additive, the additive includes a polymer additive, and the polymer additive may be a mixture of at least two or more polymers among a halogen-based polymer, a silicon-based polymer and an acrylic polymer, or a copolymer thereof.
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Patent Agency Ranking
公开(公告)号：US20220131133A1
公开(公告)日：2022-04-28
申请号：US17511084
申请日：2021-10-26
Inventor： Ju Young KIM , Young-Gi LEE , Seok Hun KANG , Dong Ok SHIN , Myeong Ju LEE , Kwang Man KIM , Jimin OH
Abstract: Provided is a composite electrode for an all-solid-state secondary battery including a first active material and a second active material, wherein the first active material and the second active material include different materials from each other, and the content of the first active material is 50 vol % to 98 vol % based on the total volume of the first active material and the second active material, the first active material has a volume change rate of 0 vol % to 30 vol % according to volume expansion/contraction during a charging/discharging process, and the second active material has a volume change rate of 35 vol % to 1000 vol % according to volume expansion/contraction during a charging/discharging process.
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公开(公告)号：US20220115738A1
公开(公告)日：2022-04-14
申请号：US17393029
申请日：2021-08-03
Inventor： Ju Young KIM , Young-Gi LEE , Seok Hun KANG , YOUNG SAM PARK , Kwang Man KIM
IPC: H01M50/403 , H01M4/62 , H01M50/417 , H01M50/451
Abstract: Provided is a method of manufacturing a secondary battery separator including dissolving a polymer binder in water to prepare an aqueous binder solution, dispersing particles in the aqueous binder solution to prepare an aqueous slurry, and preparing a separator substrate, and applying the aqueous slurry on an upper surface and a lower surface of the separator substrate to form an aqueous slurry coating layer, wherein the separator substrate includes a hydrophobic material, the polymer binder is water-soluble, and the aqueous slurry has a viscosity of about 100 cP to about 6000 cP.
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公开(公告)号：US20180115021A1
公开(公告)日：2018-04-26
申请号：US15715484
申请日：2017-09-26
Inventor： Young-Gi LEE , Dong Ok SHIN , Kwang Man KIM
IPC: H01M10/0585 , H01M10/0525 , H01M10/0567 , H01M4/04
CPC classification number: H01M10/0585 , H01M4/0404 , H01M4/0416 , H01M4/13 , H01M4/139 , H01M10/0525 , H01M10/0565 , H01M10/0567 , H01M2004/021
Abstract: Provided is a method for manufacturing a lithium battery, wherein the method may include preparing a first electrode structure including a first current collector, a first electrode layer, and first electrode columns, which are stacked, preparing a second electrode structure including a second current collector and a second electrode layer, and forming an electrolyte between the first electrode structure and the second electrode structure, the electrolyte may extend in between the first electrode columns, and the forming of the electrolyte may include preparing a mixture including inorganic particles, a polymer, and an organic solution, preparing a liquid-state mixture by heating the mixture, and applying the liquid-state mixture onto the first electrode columns, and the polymer may have nitrile groups.
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公开(公告)号：US20160028048A1
公开(公告)日：2016-01-28
申请号：US14802269
申请日：2015-07-17
Inventor： Young-Gi LEE , Kwang Man KIM , Kunyoung KANG , Dong Ok SHIN
IPC: H01M2/02 , H01M2/30 , H01M10/052
CPC classification number: H01M2/30 , H01M2/0212 , H01M2/204 , H01M10/052 , H01M10/0565 , H01M10/0585 , H01M2220/30
Abstract: An embodiment of the inventive concept provides a lithium battery including: a first pouch film; a first anode part on the first pouch film, the first anode part including a first anode terminal; a second cathode part on the first anode part; a polymer film on the second cathode part; a second anode part on the polymer film, the second anode part including a second anode terminal; a first cathode part on the second anode part; a second pouch film on the first cathode part; and an anode connector configured to penetrate the first and second anode terminals to provide an electrical connection between the first anode part and the second anode part.
Abstract translation: 本发明构思的实施例提供一种锂电池，包括：第一袋膜; 在第一袋膜上的第一阳极部分，第一阳极部分包括第一阳极端子; 在第一阳极部分上的第二阴极部分; 第二阴极部分上的聚合物膜; 在聚合物膜上的第二阳极部分，第二阳极部分包括第二阳极端子; 在第二阳极部分上的第一阴极部分; 第一阴极部分上的第二袋膜; 以及阳极连接器，其构造成穿透所述第一阳极端子和所述第二阳极端子以在所述第一阳极部分和所述第二阳极部分之间提供电连接。
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20.发明申请公开(公告)号：US20140011080A1
公开(公告)日：2014-01-09
申请号：US13845913
申请日：2013-03-18
Inventor： Young-Gi LEE , Kwang Man Kim , Kunyoung Kang , Dong Ok Shin
IPC: H01M10/0565 , H01M10/052 , H01M4/62
CPC classification number: H01M10/0565 , C08B11/02 , C08B11/08 , C08B11/20 , C08L1/00 , C09J101/08 , C09J101/28 , C09J101/284 , H01M4/622 , H01M10/052 , Y02E60/122 , Y02P70/54
Abstract: A lithium battery binder composition in accordance with some example embodiments of the inventive concept may include a lithium ion polymer, an inorganic particle and an organic solution in which a lithium salt is dissolved. The lithium ion polymer may be a cellulosic polymer having sulfonic acid lithium salt or carboxylic acid lithium salt functional group. The lithium ion polymer may be manufactured by substituting hydroxyl group or carboxylic group of cellulosic polymer. The lithium battery binder composition may be used to at least one of an electrolyte, a cathode layer and an anode layer.
Abstract translation: 根据本发明构思的一些示例性实施方案的锂电池粘合剂组合物可以包括锂离子聚合物，无机颗粒和溶解有锂盐的有机溶液。 锂离子聚合物可以是具有磺酸锂盐或羧酸锂盐官能团的纤维素聚合物。 锂离子聚合物可以通过用纤维素聚合物的羟基或羧基取代来制造。 锂电池粘合剂组合物可用于电解质，阴极层和阳极层中的至少一种。
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