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Patent Agency Ranking
公开(公告)号：US20220069343A1
公开(公告)日：2022-03-03
申请号：US17412589
申请日：2021-08-26
Inventor： Dongrak SOHN , Minsang SONG , Jungmin HAN , Younggyoon RYU , Kyulin LEE , Jeongdoo YI , Sangil HAN , Keesun SOHN , Sunggeun SHIM , Jinhee LEE
IPC: H01M10/0562 , H01M10/0525 , H01M10/0585 , H01M4/36 , H01M4/587 , H01M4/38 , C01B17/22
Abstract: A sulfide solid electrolyte for all-solid secondary batteries, a method of preparing the same, and an all-solid secondary battery, the sulfide solid electrolyte including lithium, phosphorus, sulfur, and a halogen, wherein: the sulfide solid electrolyte has an argyrodite-type crystal structure, a ratio (I(29.0)/I(30.0) ratio) of a peak intensity at a 2θ of 29±0.1° to a peak intensity at a 2θ of 30±0.1° is 0.06 or less, the peak intensities being obtained by X-ray diffraction analysis of the sulfide solid electrolyte, and a ratio (I(27.1)/I(30.0) ratio) of a peak intensity at a 2θ of 27.1±0.1° to a peak intensity at a 2θ of 30±0.1° is 0.06 or less, the peak intensities being obtained by X-ray diffraction analysis of the sulfide solid electrolyte.
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公开(公告)号：US20250007005A1
公开(公告)日：2025-01-02
申请号：US18887031
申请日：2024-09-16
Applicant: SAMSUNG SDI CO., LTD.
Inventor： Jinkyu KIM , Kyulin LEE , Jeonghye LEE , Byeonggyu CHO , Sangil HAN
IPC: H01M10/0585 , H01M4/02 , H01M4/587 , H01M4/62 , H01M10/0525 , H01M10/0562
Abstract: 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：US20210265665A1
公开(公告)日：2021-08-26
申请号：US17249237
申请日：2021-02-24
Applicant: Samsung SDI Co., Ltd.
Inventor： Jinkyu KIM , Kyulin LEE , Jeonghye LEE , Byeonggyu CHO , Sangil HAN
IPC: H01M10/0585 , H01M10/0525 , H01M10/0562 , H01M4/62 , H01M4/587
Abstract: 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：US20230253612A1
公开(公告)日：2023-08-10
申请号：US18094748
申请日：2023-01-09
Applicant: SAMSUNG SDI CO., LTD.
Inventor： Wonseok CHO , Sangil HAN , Kyulin LEE
IPC: H01M10/056 , H01M10/052
CPC classification number: H01M10/056 , H01M10/052 , H01M2300/0094
Abstract: A solid electrolyte, a method of preparing the solid electrolyte, and an all-solid-state battery including the solid electrolyte, the solid electrolyte includes a sulfide solid electrolyte particle; and a hydrophobic compound on a surface of the sulfide solid electrolyte particle, wherein the hydrophobic compound includes a fluoroalkyl group substituted with 3 to 13 fluorine groups.
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公开(公告)号：US20230019090A1
公开(公告)日：2023-01-19
申请号：US17856008
申请日：2022-07-01
Inventor： Dongrak SOHN , Jungmin HAN , Keesun SOHN , Sunggeun SHIM , Minsang SONG , Minjin SONG , Kyulin LEE , Jeongdoo YI , Younggyoon RYU , Yunchae JUNG , Sangil HAN
IPC: H01M10/0562 , H01M10/0525
Abstract: A sulfide solid electrolyte for an all-solid secondary battery includes lithium, phosphorus, sulfur, oxygen, and halogen atoms, wherein the sulfide solid electrolyte has an argyrodite-type crystal structure, the halogen atoms includes chlorine and at least two of bromine, iodine, and fluorine, an atomic ratio of sulfur to oxygen in the sulfide solid electrolyte is about 4 or higher, and an atomic ratio of chlorine to the at least two of bromine, iodine, and fluorine is about 9 or higher.
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