公开(公告)号：US20210075057A1

公开(公告)日：2021-03-11

申请号：US16953402

申请日：2020-11-20

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Futoshi UTSUNO ,  Kota TERAI ,  Takashi UMEKI ,  Masaru NAKAGAWA ,  Hiroshi YAMAGUCHI

IPC: H01M10/0562 ,  H01B1/10 ,  H01M10/052 ,  H01B1/06 ,  H01M4/136 ,  H01M10/0525 ,  H01M10/058

Abstract: A sulfide solid electrolyte that contains lithium, phosphorus, sulfur, chlorine and bromine, wherein in powder X-ray diffraction analysis using CuKα rays, it has a diffraction peak A at 2θ=25.2±0.5 deg and a diffraction peek B at 2θ=29.7±0.5 deg, the diffraction peak A and the diffraction peak B satisfy the following formula (A), and a molar ratio of the chlorine to the phosphorus “c (Cl/P)” and a molar ratio of the bromine to the phosphorus “d (Br/P)” satisfies the following formula (1): 1.2

公开(公告)号：US20190319305A1

公开(公告)日：2019-10-17

申请号：US16461235

申请日：2017-08-08

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Futoshi UTSUNO ,  Akiko NAKATA ,  Kota TERAI ,  Masaru NAKAGAWA

IPC: H01M10/0562 ,  H01M10/0525

Abstract: Provided is a sulfide solid electrolyte containing lithium, phosphorus, sulfur and chlorine, in which a molar ratio of the chlorine to the phosphorus, c (Cl/P), is greater than 1.0 and 1.9 or less, the sulfide solid electrolyte includes an argyrodite-type crystal structure, and a lattice constant of the argyrodite-type crystal structure is 9.820 Å or less.

公开(公告)号：US20230282876A1

公开(公告)日：2023-09-07

申请号：US18175772

申请日：2023-02-28

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Futoshi UTSUNO ,  Kota TERAI ,  Takashi UMEKI ,  Masaru NAKAGAWA ,  Hiroshi YAMAGUCHI

IPC: H01M10/0562 ,  H01B1/10 ,  H01M10/052 ,  H01B1/06 ,  H01M4/136 ,  H01M10/0525 ,  H01M10/058

CPC classification number: H01M10/0562 ,  H01B1/10 ,  H01M10/052 ,  H01B1/06 ,  H01M4/136 ,  H01M10/0525 ,  H01M10/058 ,  H01M4/5815

Abstract: A sulfide solid electrolyte that contains lithium, phosphorus, sulfur, chlorine and bromine, wherein in powder X-ray diffraction analysis using CuKα rays, it has a diffraction peak A at 2θ=25.2±0.5 deg and a diffraction peak B at 2θ=29.7±0.5 deg, the diffraction peak A and the diffraction peak B satisfy the following formula (A), and a molar ratio of the chlorine to the phosphorus “c (Cl/P)” and a molar ratio of the bromine to the phosphorus “d (Br/P)” satisfies the following formula (1):


1.2

公开(公告)号：US20200220208A1

公开(公告)日：2020-07-09

申请号：US16637513

申请日：2018-08-06

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Futoshi UTSUNO ,  Toshiaki TSUNO ,  Kota TERAI ,  Atsushi SATO

IPC: H01M10/0562 ,  H01M10/0525 ,  H01M10/48 ,  H01M10/653 ,  H01M4/1315 ,  C01B25/14

Abstract: A sulfide solid electrolyte comprising lithium, phosphorus and sulfur, wherein the sulfide solid electrolyte has a diffraction peak A at 2θ=25.2±0.5 deg and a diffraction peak B at 29.7±0.5 deg in powder X-ray diffraction using CuKα rays, an area ratio of a peak derived from PS43− glass to the total area of peaks derived from glass observed in solid 31P-NMR measurement is 90% or more and 100% or less, and an area ratio of peaks derived from glass to the total area of all peaks at 60 to 120 ppm observed in solid 31P-NMR measurement is 1% or more and 45% or less.

公开(公告)号：US20200006808A1

公开(公告)日：2020-01-02

申请号：US16491659

申请日：2018-03-08

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Futoshi UTSUNO ,  Toshiaki TSUNO ,  Kota TERAI ,  Hironari KIMPARA ,  Atsushi SATO

IPC: H01M10/0562 ,  H01M10/0525 ,  H01M4/62 ,  H01M4/13 ,  H01B1/10 ,  C01B17/22

Abstract: 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.

公开(公告)号：US20190140314A1

公开(公告)日：2019-05-09

申请号：US16239645

申请日：2019-01-04

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Futoshi UTSUNO ,  Kota TERAI ,  Takashi UMEKI ,  Masaru NAKAGAWA ,  Hiroshi YAMAGUCHI

IPC: H01M10/0562 ,  H01M10/0525 ,  H01M4/136 ,  H01M10/058

CPC classification number: H01M10/0562 ,  H01B1/10 ,  H01M4/136 ,  H01M4/5815 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/058 ,  H01M2300/0068

Abstract: A sulfide solid electrolyte that contains lithium, phosphorus, sulfur, chlorine and bromine, wherein in powder X-ray diffraction analysis using CuKα rays, it has a diffraction peak A at 2θ=25.2±0.5 deg and a diffraction peak B at 2θ=29.7±0.5 deg, the diffraction peak A and the diffraction peak B satisfy the following formula (A), and a molar ratio of the chlorine to the phosphorus “c (Cl/P)” and a molar ratio of the bromine to the phosphorus “d (Br/P)” satisfies the following formula (1): 1.2

公开(公告)号：US20180069262A1

公开(公告)日：2018-03-08

申请号：US15672462

申请日：2017-08-09

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Futoshi UTSUNO ,  Kota TERAI

IPC: H01M10/0562 ,  H01M10/0525 ,  H01M4/36

CPC classification number: H01M10/0562 ,  H01M4/36 ,  H01M4/62 ,  H01M10/0525 ,  H01M2300/0065 ,  H01M2300/0068

Abstract: Aimed at providing a sulfide solid electrolyte comprising an argyrodite type crystal structure, having a high ionic conductivity due to presence of a large amount of a halogen element and is capable of suppressing agglomeration at the time of production. Provided is a sulfide solid electrolyte comprising lithium, phosphorus, sulfur and one or more elements X selected from halogen elements, wherein the sulfide solid electrolyte comprises an argyrodite type crystal structure, and wherein a molar ratio of the lithium to the phosphorus “a (Li/P)”, a molar ratio of the sulfur to the phosphorus “b (S/P)” and a molar ratio of the element X to the phosphorus “c (X/P)” satisfy the following formulas (1) to (3): 5.05≦a 0 and c>0.