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公开(公告)号：US20210005924A1
公开(公告)日：2021-01-07
申请号：US16976976
申请日：2019-03-01
发明人： Takayoshi KAMBARA , Minoru SENGA , Katsuhito KONDO , Naoya MASUDA , Hironari KIMPARA , Futoshi UTSUNO , Hiroyuki TAMURA
IPC分类号： H01M10/0562 , C01B25/14
摘要： A method for producing a sulfide solid electrolyte having an argyrodite-type crystal structure may involve: mixing a raw material containing elemental phosphorus at an integrated power of 0.5 kWh/kg or more, and heat-treating a precursor obtained in the mixing at 350 to 500° C.
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公开(公告)号：US20220285724A1
公开(公告)日：2022-09-08
申请号：US17632518
申请日：2020-08-06
发明人： Shota TOTSUKA , Atsushi SATO , Hironari KIMPARA
IPC分类号： H01M10/0562 , C01B25/14
摘要： A method for producing a solid electrolyte, which comprises: a step of mixing an anionic surfactant which is a monomer or an oligomer, a solvent, and a sulfide solid electrolyte to obtain a mixture; and a step of removing the solvent from the mixture.
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公开(公告)号：US20220344703A1
公开(公告)日：2022-10-27
申请号：US17641167
申请日：2020-09-18
发明人： Hironari KIMPARA , Shota TOTSUKA , Atsushi SATO , Naoya MASUDA , Atsushi YAO
IPC分类号： H01M10/0562
摘要： A method of production of a solid electrolyte having an Argyrodite-type crystal structure, including steps of mixing raw materials such that lithium (Li), phosphorus (P), sulfur (S), oxygen (O), and halogen (X) satisfy the following formulas (11) to (14) to obtain a mixture; and heating the mixture: 4.8≤Li/P≤5.3 (11) 3.8≤S/P≤4.4 (12) 0
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公开(公告)号：US20240322223A1
公开(公告)日：2024-09-26
申请号：US18574156
申请日：2022-06-24
发明人： Hironari KIMPARA , Shota TOTSUKA
IPC分类号： H01M10/0562 , C01B17/22 , C01B25/14
CPC分类号： H01M10/0562 , C01B17/22 , C01B25/14 , C01P2004/61 , C01P2006/40 , H01M2300/008
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：US20220311049A1
公开(公告)日：2022-09-29
申请号：US17840996
申请日：2022-06-15
发明人： Naoya MASUDA , Junpei MARUYAMA , Hironari KIMPARA , Shota TOTSUKA , Atsushi YAO
IPC分类号： H01M10/0562 , H01M10/0525
摘要： A method for producing a solid electrolyte having an argyrodite-type crystal structure, the method comprising:
heat-treating a raw material mixture comprising lithium, sulfur, phosphorus and halogen in a solvent using a pressure-resistant container or under refluxing;
removing the solvent; and
firing a treated product obtained by the heat treatment.-
公开(公告)号：US20200006808A1
公开(公告)日：2020-01-02
申请号：US16491659
申请日：2018-03-08
发明人： Futoshi UTSUNO , Toshiaki TSUNO , Kota TERAI , Hironari KIMPARA , Atsushi SATO
IPC分类号： H01M10/0562 , H01M10/0525 , H01M4/62 , H01M4/13 , H01B1/10 , C01B17/22
摘要： A sulfide solid electrolyte particles comprising lithium, phosphorus and sulfur, having a volume-based average particle size measured by laser diffraction particle size distribution measurement of 0.1 μm or more and 10 μm or less, having a diffraction peak having 2θ ranging from 29.0 to 31.0 deg in powder X-ray diffraction measurement using CuKα ray, and an intensity ratio (Ib/Ip) of a peak intensity Ip of the diffraction peak to a diffraction intensity Ib at a high angle-side low part of the diffraction peak is less than 0.09.
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公开(公告)号：US20240030486A1
公开(公告)日：2024-01-25
申请号：US18202747
申请日：2023-05-26
IPC分类号： H01M10/0562 , C01B25/14
CPC分类号： H01M10/0562 , C01B25/14 , H01M2300/008 , C01P2004/03 , C01P2006/40 , C01P2004/61
摘要： Provided is a method for producing a sulfide solid electrolyte having excellent productivity and having a particularly small particle size, including mixing a raw material inclusion containing a lithium atom, a sulfur atom, a phosphorus atom, and a halogen atom to obtain an electrolyte precursor, and heating the electrolyte precursor in the presence of a solvent and a dispersant having 8 or more carbon atoms in a molecule thereof in a sealed pressure resistant vessel.
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公开(公告)号：US20230335788A1
公开(公告)日：2023-10-19
申请号：US18123384
申请日：2023-03-20
IPC分类号： H01M10/0562 , H01M10/0525
CPC分类号： H01M10/0562 , H01M10/0525 , H01M2300/0068
摘要： Provided are a method for producing an atomization sulfide solid electrolyte, including atomizing a raw material sulfide solid electrolyte together with a specific ketone compound, the raw material sulfide solid electrolyte containing a lithium atom, a sulfur atom, a phosphorus atom and a halogen atom; an atomization sulfide solid electrolyte; an electrode mixture containing the atomization sulfide solid electrolyte and an electrode active material; and a lithium ion battery containing at least one of the atomization sulfide solid electrolyte and the electrode mixture.
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公开(公告)号：US20220336848A1
公开(公告)日：2022-10-20
申请号：US17634278
申请日：2020-09-17
IPC分类号： H01M10/0562 , C30B7/10 , C30B35/00
摘要： The present invention relates to a method for producing a crystalline solid electrolyte having a small particle diameter and also having a high ionic conductivity and containing a lithium element, a sulfur element, a phosphorus element and a halogen element, the method including a complexing step of mixing a solid electrolyte raw material and a complexing agent in a liquid phase, wherein the method includes a mixing step of obtaining a precursor containing a lithium element, a sulfur element, and a phosphorus element; and a crystallization step of heating the precursor in a solvent using a pressure-resistant container or while refluxing.
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公开(公告)号：US20210284534A1
公开(公告)日：2021-09-16
申请号：US16986335
申请日：2020-08-06
发明人： Hiroaki YAMADA , Hironari KIMPARA , Shota TOTSUKA , Atsushi SATO
IPC分类号： C01B17/38 , H01M10/0562 , H01M10/058
摘要： A method of production of a solid electrolyte, which comprises: a step of obtaining a mixture comprising a sulfide solid electrolyte and a tertiary alcohol including 9 or less carbon atoms, and a step of removing the tertiary alcohol from the mixture.
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