公开(公告)号：US20170214081A1

公开(公告)日：2017-07-27

申请号：US15327913

申请日：2015-07-23

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Toshiaki TSUNO ,  Hiroyuki TAMURA

IPC: H01M10/056 ,  C01B17/36 ,  H01M10/0525 ,  C01B17/22

CPC classification number: H01M10/056 ,  C01B17/22 ,  C01B17/36 ,  C01P2006/40 ,  H01B1/10 ,  H01B1/20 ,  H01M10/0525 ,  H01M10/0562 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2300/0068 ,  H01M2300/0091 ,  Y02T10/7011

Abstract: A solid electrolyte composition comprising: a solid electrolyte that comprises Li; and a solvent represented by the following formula (1). R1—(C═O)—R2 (1) wherein in the formula (1), R1 and R2 are independently a hydrocarbon group including 2 or more carbon atoms.

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.