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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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公开(公告)号：US20230343994A1
公开(公告)日：2023-10-26
申请号：US17730106
申请日：2022-04-26
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor： Ju Young KIM , Young-Gi LEE , Yong Min LEE , Seok Hun KANG , Kwang Man KIM , Ju Mi KIM , Joonam PARK , Dong Ok SHIN , Jimin OH , Myeong Ju LEE
IPC: H01M4/62 , H01M10/0525 , H01M10/0562 , H01M4/583 , H01M4/58
CPC classification number: H01M10/0562 , H01M4/5815 , H01M4/583 , H01M4/622 , H01M10/0525 , H01M2004/021
Abstract: The present disclosure relates to an all-solid-state secondary battery, and more particularly, to an all-solid-state secondary battery including a positive electrode, a negative electrode, and a solid electrolyte layer disposed between the positive electrode and the negative electrode. Here, at least one of the positive electrode and the negative electrode includes a sulfide-based active material, the sulfide-based active material has a particle size of about 50 nm to about 5 µm, and the sulfide-based active material has a grain size of about 1 nm to about 10 nm.
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15.发明申请公开(公告)号：US20220131233A1
公开(公告)日：2022-04-28
申请号：US17506174
申请日：2021-10-20
Inventor： Young-Gi LEE , Ju Young KIM , Seok Hun KANG , Kwang Man KIM , YOUNG SAM PARK , Dong Ok SHIN
IPC: H01M50/451 , C09D5/02 , C09D133/06 , C09D133/02 , H01M50/403
Abstract: Provided is a method of preparing a coating composition for a separator of a secondary battery, and particularly a method including dispersing a first monomer and a surfactant in a solvent to form micelles, adding a first initiator to the solvent and performing first polymerization reaction to form a precursor solution including an emulsion-type binder, and adding a second monomer and a second initiator to the precursor solution and performing second polymerization reaction to form an aqueous binder solution including a solution-type binder, wherein the emulsion-type binder has a core shape, the solution-type binder has a shell shape wrapping the emulsion-type binder, and the emulsion-type binder and the solution-type binder are chemically bonded.
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Patent Agency Ranking
公开(公告)号：US20190198920A1
公开(公告)日：2019-06-27
申请号：US16287676
申请日：2019-02-27
Inventor： Dong Ok SHIN , Young-Gi LEE , Kwang Man KIM
IPC: H01M10/0562 , H01M10/052
CPC classification number: H01M10/0562 , H01M10/052 , H01M2300/0071
Abstract: Provided is a method for preparing a multi-dopant, oxide-based solid electrolyte. The method comprising preparing a mixture including a lithium (Li) compound, a lanthanum (La) compound, and a metal compound, the metal compound including a first metal element represented by M, adding a first precursor including a second metal element and a second precursor including a third metal element to the mixture, and performing a crystallization operation to form a compound represented by LixLa3M2O12 from the mixture having the first precursor and the second precursor mixed therein, wherein the compound is doped with the second and third metal elements.
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公开(公告)号：US20170005366A1
公开(公告)日：2017-01-05
申请号：US15191093
申请日：2016-06-23
Inventor： Dong Ok SHIN , Young-Gi LEE , Kwang Man KIM
IPC: H01M10/0562 , H01M10/0525
CPC classification number: H01M10/0562 , H01M10/052 , H01M2300/0071
Abstract: Provided is a method for preparing an oxide based solid electrolyte, the method comprising preparing a mixture including a lithium (Li) compound, a lanthanum (La) compound, and a metal compound, the metal compound including a first metal element represented by M, adding a first precursor including a second metal element and a second precursor including a third metal element to the mixture, and performing a crystallization operation to form a compound represented by LixLa3M2O12 from the mixture having the first precursor and the second precursor mixed therein, wherein the compound is doped with the second and third metal elements.
Abstract translation: 提供一种制备氧化物类固体电解质的方法，该方法包括制备包含锂（Li）化合物，镧（La）化合物和金属化合物）的混合物，所述金属化合物包括由M表示的第一金属元素， 向所述混合物中加入包括第二金属元素的第一前体和包含第三金属元素的第二前体，并进行结晶操作，从混合有第一前体和第二前体的混合物形成由LixLa3M2O12表示的化合物，其中， 化合物掺杂有第二和第三金属元素。
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公开(公告)号：US20150024281A1
公开(公告)日：2015-01-22
申请号：US14334251
申请日：2014-07-17
Inventor： Young-Gi LEE , Kwang Man KIM , Kunyoung KANG , Dong Ok SHIN , Yun Sung LEE , Amaresh S , Kwang Jin KIM
IPC: H01M10/0562 , H01M10/052
CPC classification number: H01M10/0562 , C01B17/22 , H01M10/052 , H01M2300/0068
Abstract: Provided is a method for manufacturing a sulfide-based solid electrolyte including preparing a precursor comprising lithium sulfide, germanium sulfide, aluminum sulfide, phosphorus sulfide, and sulfur, conducting a mixing process of the precursor to prepare a mixture, and crystallizing the mixture to form a compound represented by Li9.7Al0.3Ge0.7P2S12. The sulfide-based solid electrolyte may have high ionic conductivity.
Abstract translation: 提供一种硫化物系固体电解质的制造方法，其包括制备包含硫化锂，硫化锗，硫化铝，硫化磷和硫的前体，进行前体的混合，制备混合物，并使混合物结晶 由Li9.7Al0.3Ge0.7P2S12表示的化合物。 基于硫化物的固体电解质可具有高离子电导率。
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公开(公告)号：US20240110995A1
公开(公告)日：2024-04-04
申请号：US18464788
申请日：2023-09-11
Inventor： Jimin OH , Kwang Man KIM , Young-Gi LEE
IPC: G01R31/392 , G01R31/36 , G01R31/367 , G01R31/3842 , G01R31/389
CPC classification number: G01R31/392 , G01R31/3648 , G01R31/367 , G01R31/3842 , G01R31/389
Abstract: Disclosed is a battery residual value evaluation system, which includes a measurement unit that measures a voltage and a current of an external battery to generate a voltage signal and a current signal, a resistance calculation unit that generates a resistance value, a resistance change value, and a resistance change rate of the external battery for each of charging and discharging cycles of the external battery based on the voltage signal and the current signal, an external input unit that receives reference ranges from an outside, a determination unit that determines a battery residual value based on whether the resistance value, the resistance change value, and the resistance change rate fall within the reference ranges, respectively, and an output unit that outputs the determination result to the outside.
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公开(公告)号：US20240088438A1
公开(公告)日：2024-03-14
申请号：US18231849
申请日：2023-08-09
Inventor： Jimin OH , Kwang Man KIM
IPC: H01M10/0567 , H01M4/38 , H01M4/505 , H01M4/525 , H01M10/052 , H01M10/0568 , H01M10/0569 , H01M10/42 , H01M50/417
CPC classification number: H01M10/0567 , H01M4/382 , H01M4/505 , H01M4/525 , H01M10/052 , H01M10/0568 , H01M10/0569 , H01M10/4235 , H01M50/417 , H01M2004/028
Abstract: An electrolyte composition of the inventive concept may include a solvent, an electrolyte salt, a first additive, and a second additive. The first additive may include at least one among a phosphor (P) compound, a nitrogen (N) compound, a sulfur (S) compound, and a lithium (Li) compound, or combinations thereof, and the second additive may include at least one among a carbonate compound, a sulfur (S) compound, and a lithium (Li) compound, or combinations thereof.
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