公开(公告)号：US20210242496A1

公开(公告)日：2021-08-05

申请号：US17254477

申请日：2019-11-22

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Masayuki SHIBATA ,  Hiroaki YAMADA ,  Nobuhito NAKAYA ,  Yusuke ISEKI ,  Minoru SENGA ,  Takashi HAYAKAWA ,  Shogo SHIMADA ,  Tomoyuki OKUYAMA ,  Koji KATO

IPC: H01M10/0562 ,  H01B1/10 ,  H01M10/42

Abstract: A sulfide solid electrolyte, which is able to adjust the morphology unavailable traditionally, or is readily adjusted so as to have a desired morphology, the sulfide solid electrolyte having a volume-based average particle diameter measured by laser diffraction particle size distribution measurement of 3 μm or more and a specific surface area measured by the BET method of 20 m2/g or more; and a method of treating a sulfide solid electrolyte including the sulfide solid electrolyte being subjected to at least one mechanical treatment selected from disintegration and granulation.

公开(公告)号：US20210143473A1

公开(公告)日：2021-05-13

申请号：US17153996

申请日：2021-01-21

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Ryo ABURATANI ,  Minoru SENGA ,  Tsuyoshi OTA ,  Masaru NAKAGAWA

IPC: H01M10/0562 ,  H01B1/12 ,  H01M10/052 ,  C03C1/02 ,  C03C3/32 ,  C03C4/18 ,  C03C10/00 ,  C03C12/00 ,  C03B19/12 ,  H01M4/13 ,  H01M4/62

Abstract: A method for producing a solid electrolyte, including: stirring a slurry including lithium sulfide and phosphorus sulfide in a hydrocarbon solvent in a reaction vessel, and circulating the slurry through a connecting pipe by a pump. The method is carried out in an apparatus including the reaction vessel and the connecting pipe connected to the pump and the reaction vessel.

公开(公告)号：US20210005924A1

公开(公告)日：2021-01-07

申请号：US16976976

申请日：2019-03-01

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Takayoshi KAMBARA ,  Minoru SENGA ,  Katsuhito KONDO ,  Naoya MASUDA ,  Hironari KIMPARA ,  Futoshi UTSUNO ,  Hiroyuki TAMURA

IPC: H01M10/0562 ,  C01B25/14

Abstract: 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.

公开(公告)号：US20250096319A1

公开(公告)日：2025-03-20

申请号：US18965366

申请日：2024-12-02

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Masayuki SHIBATA ,  Hiroaki YAMADA ,  Nobuhito NAKAYA ,  Yusuke ISEKI ,  Minoru SENGA ,  Takashi HAYAKAWA ,  Shogo SHIMADA ,  Tomoyuki OKUYAMA ,  Koji KATO

IPC: H01M10/0562 ,  H01B1/10 ,  H01M10/42

Abstract: A sulfide solid electrolyte may be able to adjust the morphology unavailable traditionally, or readily adjust so as to have a desired morphology. Such a sulfide solid electrolyte may include a substance including a lithium element, a sulfur element, and a phosphorus element; and an amine compound. The solid electrolyte may have a volume-based average particle diameter of 10 μm or less, measured by laser diffraction particle size distribution measurement, and/or a BET specific surface area of 40 m2/g or less.

公开(公告)号：US20230223594A1

公开(公告)日：2023-07-13

申请号：US18184707

申请日：2023-03-16

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Masayuki SHIBATA ,  Hiroaki YAMADA ,  Nobuhito NAKAYA ,  Yusuke ISEKI ,  Minoru SENGA ,  Takashi HAYAKAWA ,  Shogo SHIMADA ,  Tomoyuki OKUYAMA ,  Koji KATO

IPC: H01M10/0562

CPC classification number: H01M10/0562 ,  H01M2300/0068

Abstract: A sulfide solid electrolyte, which is able to adjust the morphology unavailable traditionally, or is readily adjusted so as to have a desired morphology, the sulfide solid electrolyte having a volume-based average particle diameter measured by laser diffraction particle size distribution measurement of 3 μm or more and a specific surface area measured by the BET method of 20 m2/g or more; and a method of treating a sulfide solid electrolyte including the sulfide solid electrolyte being subjected to at least one mechanical treatment selected from disintegration and granulation.

公开(公告)号：US20210367266A1

公开(公告)日：2021-11-25

申请号：US17260379

申请日：2019-07-16

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Takayoshi KAMBARA ,  Minoru SENGA ,  Hiroyuki TAMURA

IPC: H01M10/0562 ,  H01M10/0525 ,  C01B25/14

Abstract: Provided is a method for producing a solid electrolyte having peaks at 2θ=20.2°±0.5° and 23.6°±0.5° in X-ray diffractometry using a CuKα ray and containing a lithium element, a phosphorus element, a sulfur element, and a halogen element, the method including using raw materials containing yellow phosphorus and a compound containing a lithium element, a sulfur element, and a halogen element.

公开(公告)号：US20210249685A1

公开(公告)日：2021-08-12

申请号：US17254543

申请日：2019-11-22

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Masayuki SHIBATA ,  Hiroaki YAMADA ,  Nobuhito NAKAYA ,  Yusuke ISEKI ,  Minoru SENGA

IPC: H01M10/0562

Abstract: A method of producing a solid electrolyte having a high ionic conductivity, which adopts a liquid-phase method and suppresses the generation of hydrogen sulfide, wherein a raw material inclusion containing a lithium element, a sulfur element, a phosphorus element, and a halogen element is mixed with a complexing agent containing a compound having at least two tertiary amino groups; and an electrolyte precursor constituted of a lithium element, a sulfur element, a phosphorus element, a halogen element, and a complexing agent containing a compound having at least two tertiary amino groups.

公开(公告)号：US20190181497A1

公开(公告)日：2019-06-13

申请号：US16232832

申请日：2018-12-26

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Ryo ABURATANI ,  Minoru SENGA ,  Tsuyoshi OTA ,  Masaru NAKAGAWA

IPC: H01M10/0562 ,  C03C12/00 ,  H01M4/62 ,  C03C1/02 ,  C03C3/32 ,  C03C4/18 ,  H01M10/052 ,  H01B1/12 ,  C03B19/12 ,  H01M4/13 ,  C03C10/00

Abstract: A method for producing a solid electrolyte, comprising: grinding raw materials comprising lithium sulfide and phosphorus sulfide in a hydrocarbon solvent, optionally comprising stirring a slurry comprising the raw materials and the hydrocarbon solvent in a reaction vessel, and optionally, circulating the slurry through a connecting pipe, wherein the method is carried out in an apparatus comprising the grinder, the reaction vessel and the connecting pipe that connects the grinder and the reaction vessel.

公开(公告)号：US20180170756A1

公开(公告)日：2018-06-21

申请号：US15736969

申请日：2016-06-16

Applicant: Idemitsu Kosan Co., Ltd.

Inventor： Atsushi SATO ,  Minoru SENGA ,  Masao AIDA

IPC: C01B25/14 ,  C01B17/22 ,  C01D15/04 ,  H01M10/0562 ,  H01M6/18

Abstract: The invention provides a method for producing a solid electrolyte, which includes reacting two or more kinds of solid raw materials using a multi-axial kneading machine to give a crystalline solid electrolyte, and which can provide a crystalline solid electrolyte with excellent productivity.

公开(公告)号：US20180062161A1

公开(公告)日：2018-03-01

申请号：US15792812

申请日：2017-10-25

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Kazuaki YANAGI ,  Minoru SENGA ,  Ryo ABURATANI ,  Tsuyoshi OTA

IPC: H01M4/136 ,  H01M4/04 ,  H01M4/1397 ,  H01M4/36 ,  H01M4/58 ,  H01M10/0525 ,  H01M4/62 ,  C01B17/22

CPC classification number: H01M4/136 ,  C01B17/22 ,  C01P2002/72 ,  C01P2002/85 ,  C01P2004/04 ,  C01P2006/12 ,  C01P2006/14 ,  C01P2006/16 ,  C01P2006/40 ,  H01M4/0497 ,  H01M4/1397 ,  H01M4/366 ,  H01M4/5815 ,  H01M4/624 ,  H01M4/625 ,  H01M4/626 ,  H01M10/0525

Abstract: A composite material including a conducting material and an alkali metal sulfide formed integrally on the surface of the conducting material.