公开(公告)号：US20250087745A1

公开(公告)日：2025-03-13

申请号：US18955226

申请日：2024-11-21

Applicant: IDEMITSU KOSAN CO.,LTD.

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

IPC: H01M10/0562 ,  H01B1/06 ,  H01B1/10 ,  H01M4/136 ,  H01M4/58 ,  H01M10/052 ,  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 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：US20230378525A1

公开(公告)日：2023-11-23

申请号：US18030286

申请日：2021-10-08

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Kota TERAI ,  Katsuhito KONDO ,  Takeshi MAKINO ,  Atsushi SATO ,  Hiroyuki HIGUCHI

IPC: H01M10/0562

CPC classification number: H01M10/0562 ,  H01M2300/0068

Abstract: An object of the present invention is to provide sulfide solid electrolyte glass ceramics that have a high ionic conductivity and an enhanced water resistance, and is also to provide a method of producing the sulfide solid electrolyte glass ceramics. Sulfide solid electrolyte glass ceramics that have peaks at 20.2° and 23.6° in an X-ray diffractometry (XRD) using the CuKα line, a crystallite diameter of 30 nm or more, and a P2S64− phosphorus proportion obtained by a solid 31P-NMR spectroscopy of 4.5% by mol or less, and a method of producing the sulfide solid electrolyte glass ceramics are provided.

公开(公告)号：US20220131185A1

公开(公告)日：2022-04-28

申请号：US17647502

申请日：2022-01-10

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 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：US20200220207A1

公开(公告)日：2020-07-09

申请号：US16626165

申请日：2018-06-18

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Atsushi SATO ,  Kota TERAI ,  Futoshi UTSUNO

IPC: H01M10/0562 ,  H01M10/0525 ,  H01M4/62

Abstract: A sulfide solid electmlyte containing the following (A) and (B): (A) a sulfide solid electrolyte having an argyrodite-type crystal structure; and (B) a sulfide solid electrolyte having a crystal structure different from the argyrodite-type crystal structure of the above-mentioned (A).

公开(公告)号：US20200091552A1

公开(公告)日：2020-03-19

申请号：US16610136

申请日：2018-05-23

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Kota TERAI ,  Atsushi SATO ,  Futoshi UTSUNO

IPC: H01M10/0562 ,  H01M10/0525 ,  C01B17/22 ,  C01B25/14

Abstract: It is an object of the invention to provide sulfide solid electrolytes having good processability at the time of manufacturing a battery and high ionic conductivity. The present invention relates to a sulfide solid electrolyte containing lithium, phosphorus and sulfur, having 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, and the half-value width of at least one peak obtained by separating the peaks observed in a range of 60 to 120 ppm in solid-state 31P-NMR measurements is 500 to 800 Hz.

公开(公告)号：US20190221884A1

公开(公告)日：2019-07-18

申请号：US16324267

申请日：2017-08-08

Applicant: IDEMITSU KOSAN CO., LTD

Inventor： Futoshi UTSUNO ,  Kota TERAI

IPC: H01M10/0562 ,  H01M10/0525

CPC classification number: H01M10/0562 ,  H01B1/06 ,  H01B1/10 ,  H01M4/62 ,  H01M10/052 ,  H01M10/0525 ,  H01M2300/0068

Abstract: A sulfide solid electrolyte containing lithium, phosphorus, sulfur; and one or more of elements X selected from the group consisting of halogen elements and chalcogen elements excluding sulfur, wherein the sulfide solid electrolyte includes 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 formulas (1) to (3): 5.0≤a≤7.1 (1) 1.0 0 and c>0 are satisfied.

公开(公告)号：US20240332603A1

公开(公告)日：2024-10-03

申请号：US18578874

申请日：2022-07-14

Applicant: IDEMITSU KOSAN CO.,LTD. ,  NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY

Inventor： Kota TERAI ,  Futoshi UTSUNO ,  Hiroyuki HIGUCHI ,  Kiyoharu TADANAGA ,  Akira MIURA ,  Nataly Carolina ROSERO NAVARRO

IPC: H01M10/0562 ,  C01B25/14

CPC classification number: H01M10/0562 ,  C01B25/14 ,  C01P2002/72 ,  C01P2002/82 ,  C01P2002/86 ,  C01P2006/40 ,  H01M2300/008

Abstract: Provided is a sulfide solid electrolyte that has a novel crystal structure and exhibits an ionic conductivity, the sulfide solid electrolyte containing a lithium atom, a phosphorus atom, a sulfur atom, and at least one kind of halogen atom selected from a chlorine atom and a bromine atom, and having a specific diffraction peak in powdery X-ray diffractometry using CuKα line, and a method for producing a sulfide solid electrolyte, the method including mixing a solvent 1 having a heteroatom and a raw material 1 containing specific atoms to prepare a mixture, preparing a solution that contains a raw material 2 containing a halogen atom and a solvent 2 having a heteroatom, mixing the mixture and the solution to prepare a fluid, and heating the fluid.

公开(公告)号：US20220367907A1

公开(公告)日：2022-11-17

申请号：US17814374

申请日：2022-07-22

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：US20140167033A1

公开(公告)日：2014-06-19

申请号：US14085199

申请日：2013-11-20

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Futoshi UTSUNO ,  Kazuyoshi INOUE ,  Hirokazu KAWASHIMA ,  Masashi KASAMI ,  Koki YANO ,  Kota TERAI

IPC: H01L29/24 ,  H01L21/02 ,  H01L29/786

CPC classification number: H01L29/242 ,  C04B35/01 ,  C04B35/6261 ,  C04B35/645 ,  C04B2235/3217 ,  C04B2235/3224 ,  C04B2235/3225 ,  C04B2235/3286 ,  C04B2235/3409 ,  C04B2235/441 ,  C04B2235/443 ,  C04B2235/449 ,  C04B2235/5409 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/604 ,  C04B2235/656 ,  C04B2235/6567 ,  C04B2235/6585 ,  C04B2235/72 ,  C04B2235/76 ,  C04B2235/761 ,  C04B2235/77 ,  C23C14/086 ,  C23C14/3414 ,  H01L21/02565 ,  H01L29/7869

Abstract: An oxide sintered body includes indium oxide and gallium solid-solved therein, the oxide sintered body having an atomic ratio “Ga/(Ga+In)” of 0.001 to 0.12, containing indium and gallium in an amount of 80 atom % or more based on total metal atoms, and having an In2O3 bixbyite structure.

Abstract translation: 氧化物烧结体包括固溶于其中的氧化铟和镓，所述氧化物烧结体的原子比“Ga /（Ga + In）”为0.001〜0.12，含有基于80原子％以上的量的铟和镓 总金属原子，并具有In2O3二氧化硅结构。

公开(公告)号：US20220158230A1

公开(公告)日：2022-05-19

申请号：US17591183

申请日：2022-02-02

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Kota TERAI ,  Atsushi SATO ,  Futoshi UTSUNO

IPC: H01M10/0562 ,  C01B17/22 ,  C01B25/14 ,  H01M10/0525

Abstract: A sulfide solid electrolyte may include lithium, phosphorus and sulfur, and the sulfide solid electrolyte may have 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, and a crystallite diameter in a range of from 5 to 20 nm.