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：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：US20210075056A1

公开(公告)日：2021-03-11

申请号：US16619682

申请日：2018-05-24

Applicant: Idemitsu Kosan Co.,Ltd.

Inventor： Akiko NAKATA ,  Junpei MARUYAMA ,  Miki MONOI ,  Ryohei HASHIMOTO

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

Abstract: A method for producing a sulfide solid electrolyte comprising an argyrodite-type crystal structure, wherein phosphorus sulfide having a phosphorus content of 28.3 mass % or less and containing free sulfur is used as the raw material.

公开(公告)号：US20180016185A1

公开(公告)日：2018-01-18

申请号：US15522580

申请日：2015-10-30

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Akiko NAKATA ,  Junpei MARUYAMA

IPC: C03C3/32 ,  C03C4/14 ,  C03C1/02 ,  H01M10/0525 ,  H01M10/0562

CPC classification number: C03C3/32 ,  C03C1/02 ,  C03C3/321 ,  C03C4/14 ,  H01B1/06 ,  H01B1/10 ,  H01B13/00 ,  H01M4/587 ,  H01M4/62 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0562 ,  H01M2300/008

Abstract: A method for producing sulfide glass wherein phosphorus sulfide satisfying the following formula (1) is used as a raw material: 100×A/B≧37   (1) wherein in the formula, A is peak areas of peaks that appear at peak positions in a range of 57.2 ppm or more and 58.3 ppm or less, and 63.0 ppm or more and 64.5 ppm or less in 31PNMR spectroscopy, and B is the total of peak areas of all peaks measured in 31PNMR spectroscopy.