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公开(公告)号：EP4462452A1
公开(公告)日：2024-11-13
申请号：EP22918754.7
申请日：2022-12-01
发明人： KAMBARA, Takayoshi
IPC分类号： H01B13/00 , C01B25/14 , H01G11/56 , H01M10/0562
摘要： Provided is a method for producing sulfide solid electrolyte having an argyrodite-type crystal structure, the method including mixing lithium sulfide, a phosphorus sulfide, and an ammonium halide to produce a solid electrolyte precursor, and firing the solid electrolyte precursor. The method for producing a sulfide solid electrolyte having an argyrodite-type crystal structure provides a method for easily producing a high-quality sulfide solid electrolyte without using an elemental halogen which complicates the handling or a lithium halide which has a considerably high hygroscopicity.
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公开(公告)号：EP4416774A1
公开(公告)日：2024-08-21
申请号：EP22802912.0
申请日：2022-10-11
IPC分类号： H01M4/62 , C01B25/14 , C01D15/00 , H01M4/66 , H01M10/052 , H01M10/0562 , H01M50/431
CPC分类号： H01M10/0562 , H01M10/052 , H01M2300/006820130101 , H01M4/62 , H01M50/431 , H01M4/661 , C01B25/14 , Y02E60/10
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公开(公告)号：EP4411920A1
公开(公告)日：2024-08-07
申请号：EP22875535.1
申请日：2022-07-08
申请人： AGC INC.
发明人： FUJII, Naoki , HOMMA, Osamu , MAEDA, Naoki
摘要： The present invention relates to a sulfide-based solid electrolyte powder which contains at least one of a crystal phase and an amorphous phase each containing Li, P and S, has a 1H-NMR intensity of 0.3 or more wherein the intensity is determined by measuring adamantane as an external standard and then standardized under specified conditions, satisfies the relationship represented by the formula: 2 ≦ ((BET specific surface area)×(1H-NMR intensity)), and is used in a lithium ion secondary battery.
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公开(公告)号：EP4365917A1
公开(公告)日：2024-05-08
申请号：EP22833007.2
申请日：2022-06-24
发明人： KIMPARA, Hironari , TOTSUKA, Shota
摘要： Provided includes a method of producing sulfide solid electrolyte that is enhanced in dispersibility and coatability through the reduction of the cohesive force of the sulfide solid electrolyte, without complicating the production process, including using a dry classifier, supplying a sulfide solid electrolyte to a gas flow having a dew point of -40°C or less and a flow rate of 1 m3/kg or more and 100 m3/kg or less per unit supply weight of the sulfide solid electrolyte inside the dry classifier, and fluidizing the sulfide solid electrolyte with the gas flow, and also provided includes modified sulfide solid electrolyte powder and modified sulfide solid electrolyte powder slurry.
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公开(公告)号：EP4356452A1
公开(公告)日：2024-04-24
申请号：EP22732269.0
申请日：2022-06-13
申请人： Ampere SAS
IPC分类号： H01M4/04 , C01B25/14 , H01M10/052 , H01M10/0562
CPC分类号： H01M10/0562 , H01M2300/006820130101 , H01M4/0407 , H01M10/052 , C01B25/14 , Y02E60/10
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公开(公告)号：EP4321481A1
公开(公告)日：2024-02-14
申请号：EP22784503.9
申请日：2022-03-23
发明人： KONYA, Masashi , TAMAI, Kazuki
IPC分类号： C01B25/14 , H01B13/00 , H01M10/052 , H01M10/0562
摘要： The present invention is able to provide a method for producing an LGPS-type solid electrolyte, the method being characterized by comprising: a step in which a precursor is produced by mixing Li 3 PS 4 crystals having an average grain size (D50) of 0.1 to 5 µm and crystals that are formed of Li, Sn and S, while having an average grain size (D50) of 0.1 to 5 µm; and a step in which the precursor is subjected to the heat treatment at 300 to 700°C.
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公开(公告)号：EP4246639A3
公开(公告)日：2023-11-29
申请号：EP23190419.4
申请日：2019-01-25
IPC分类号： C01B17/22 , C01B25/14 , H01B1/10 , H01M10/0562 , H01M10/052
摘要： A solid electrolyte material may be advantageously synthesized using a multipart solvent/solution based method employing selective solvation and/or particle size reduction for different reactants used to form the solid electrolyte.
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公开(公告)号：EP4258405A1
公开(公告)日：2023-10-11
申请号：EP21900987.5
申请日：2021-12-01
申请人： Inchems Co.,Ltd
发明人： KIM, Hag Soo
IPC分类号： H01M10/0562 , C01B25/14
摘要： The present specification provides a method for preparing a solid electrolyte for a secondary battery, comprising the steps of: (S1) preparing a material composition comprising phosphorus (P) sulfide, a lithium halide and lithium sulfide; (S2) mechanically milling the material composition in a milling container; and (S3) calcining a compound obtained after the milling step, wherein the calcination step (S3) performs purging using gas.
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9.发明公开
公开(公告)号：EP4244925A1
公开(公告)日：2023-09-20
申请号：EP21841074.4
申请日：2021-12-10
IPC分类号： H01M10/0525 , H01M10/0562 , C01B17/22 , H01B1/10 , C01B25/14
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公开(公告)号：EP4206124A1
公开(公告)日：2023-07-05
申请号：EP21861723.1
申请日：2021-08-27
发明人： MIYASHITA, Norihiko
IPC分类号： C01B25/14 , H01M4/136 , H01M4/36 , H01M4/58 , H01M4/62 , H01M10/052 , H01M10/0562
摘要： An active material of the present invention contains: a compound containing lithium (Li) element, sulfur (S) element, and an element M and containing a crystalline phase having an argyrodite-type crystal structure; and a conductive material dispersed on the surface or in the interior of particles of the compound. The element M represents phosphorus (P) element or the like. The active material of the present invention is a composite material of the compound and the conductive material. It is preferable that the conductive material is a carbon material or a metallic material. It is also preferable that the content of the lithium element in the active material is from 10 to 25% by mass.
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