公开(公告)号：US20180287204A1

公开(公告)日：2018-10-04

申请号：US15937422

申请日：2018-03-27

Applicant: TOKYO INSTITUTE OF TECHNOLOGY ,  TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Ryoji KANNO ,  Satoshi HORI

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

CPC classification number: H01M10/0562 ,  C01B17/22 ,  C01P2006/40 ,  H01M10/0525 ,  H01M2300/0068 ,  H01M2300/008

Abstract: To improve the stability of an electrolyte, among the sulfide solid electrolytes of Li—P—S—X based (X is at least one of F, Cl, N and OH) containing no metal element other than lithium, a new solid electrolyte having a possibility to have high ion conductivity and a method for producing for obtaining the same easily. The disclosure achieves the object by providing a solid electrolyte material including a sulfide composition represented by a composition formula Li4−4y−x−zP4+1+y−xP5+xS4−zXz (Li4−4y−x−zP1+yS4−zXz), wherein 0.2≤x

公开(公告)号：US20170155168A1

公开(公告)日：2017-06-01

申请号：US15319317

申请日：2015-06-08

Applicant: TOKYO INSTITUTE OF TECHNOLOGY ,  TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Ryoji KANNO ,  Masaaki HIRAYAMA ,  Kota SUZUKI ,  Satoshi HORI ,  Yuki KATO

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

CPC classification number: H01M10/0562 ,  C01B17/22 ,  C01B25/14 ,  C01P2002/72 ,  C01P2006/40 ,  H01M4/62 ,  H01M10/052 ,  H01M10/0525 ,  H01M2300/0068 ,  Y02T10/7011

Abstract: A sulfide solid electrolyte material has favorable ion conductivity and resistance to reduction. The sulfide solid electrolyte material includes a peak at a position of 2θ=29.86°±1.00° in X-ray diffraction measurement using a CuKα ray, and a composition of Li2y+3PS4 (0.1≦y≦0.175).

公开(公告)号：US20240166512A1

公开(公告)日：2024-05-23

申请号：US18427080

申请日：2024-01-30

Applicant: AGC Inc. ,  TOKYO INSTITUTE OF TECHNOLOGY

Inventor： Yoshitake TODA ,  Takeya MEZAKI ,  Kohta YAMADA ,  Naoki MATSUI ,  Guangzhong JIANG ,  Ryoji KANNO

IPC: C01B6/24

CPC classification number: C01B6/24 ,  C01P2002/50 ,  C01P2002/72 ,  C01P2002/77 ,  C01P2002/88 ,  C01P2006/40

Abstract: A hydride ion conductor represented by a general formula:


Ba2-x-mAxMg1-y-nByH6-x-y-2m-2n  (1),



wherein A and B are each selected from at least one or more of the group consisting of Li, Na, K, Rb, and Cs, and
0≤x≤1, 0≤y≤1, 0≤m≤0.2, and 0≤n≤0.2, excluding a case where x=y=m=n=0.

公开(公告)号：US20240039042A1

公开(公告)日：2024-02-01

申请号：US18268007

申请日：2022-04-29

Applicant: LG ENERGY SOLUTION, LTD. ,  TOKYO INSTITUTE OF TECHNOLOGY

Inventor： Eiichiro NARIMATSU ,  Hideyuki MAEDA ,  Keiko MATSUBARA ,  Ryoji KANNO ,  Satoshi HORI

IPC: H01M10/0562 ,  H01M10/052

CPC classification number: H01M10/0562 ,  H01M10/052 ,  H01M2300/0068

Abstract: Disclosed is a solid electrolyte for a solid-state battery having improved water resistance. The solid electrolyte for a solid-state battery includes a sulfide-based solid electrolyte and a LiBr-containing absorbent material, wherein the binding energy of Li1s shows a peak observed at 54.2-56.1 eV, and the binding energy of Br3d shows a peak observed at 67.5-69.5 eV, as determined by X-ray photoelectron spectroscopy (XPS).

公开(公告)号：US20190237801A1

公开(公告)日：2019-08-01

申请号：US16327804

申请日：2017-08-23

Applicant: Tokyo Institute of Technology

Inventor： Ryoji KANNO ,  Masaaki HIRAYAMA ,  Kota SUZUKI ,  Yulong SUN ,  Satoshi HORI

IPC: H01M10/0562 ,  C01G19/00 ,  C01B33/00

CPC classification number: H01M10/0562 ,  C01B33/00 ,  C01G19/006 ,  C01P2002/50 ,  C01P2002/72 ,  C01P2006/40 ,  C04B35/547 ,  H01B1/06 ,  H01M6/18 ,  H01M10/0525 ,  H01M2300/0068

Abstract: Provided is a sulfide solid electrolyte material which has a composition that does not contain Ge, while having a smaller Li content than conventional sulfide solid electrolyte materials, and which has both lithium ion conductivity and chemical stability at the same time. A sulfide solid electrolyte which has a crystal structure represented by composition formula (Li3.45+β−4αSnα)(Si0.36Sn0.09)(P0.55−βSiβ)S4 (wherein α≤0.67, β≤0.33 and 0.43