公开(公告)号：US20150037687A1

公开(公告)日：2015-02-05

申请号：US14375571

申请日：2013-02-05

Applicant: TOKYO INSTITUTE OF TECHNOLOGY ,  TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Ryoji Kanno ,  Masaaki Hirayama ,  Yuki Kato ,  Takamasa Otomo ,  Mitsuru Sakano

IPC: H01M10/0562 ,  C01B25/14 ,  H01M10/052

CPC classification number: H01M10/0562 ,  C01B17/20 ,  C01B25/14 ,  C01G17/006 ,  C01G19/006 ,  C01P2002/72 ,  C01P2002/74 ,  C01P2002/77 ,  C01P2006/40 ,  H01B1/10 ,  H01M4/623 ,  H01M10/052 ,  H01M2220/20 ,  H01M2220/30 ,  H01M2300/0068

Abstract: A main object of the present invention is to provide a sulfide solid electrolyte material having favorable ion conductivity and low reduction potential. The present invention solves the above-mentioned problem by providing a sulfide solid electrolyte material including an M1 element (such as a Li element), an M2 element (such as a Ge element, a Si element and a P element) and a S element, wherein the material has a peak at a position of 2θ=29.58°±0.50° in X-ray diffraction measurement using a CuKα line; and when a diffraction intensity at the peak of 2θ=29.58°±0.50° is regarded as IA and a diffraction intensity at a peak of 2θ=27.33°±0.50° is regarded as IB, a value of IB/IA is less than 0.50, and M2 contains at least P and Si.

Abstract translation: 本发明的主要目的是提供一种具有良好的离子传导性和低还原电位的硫化物固体电解质材料。 本发明通过提供一种含有M1元素（如Li元素），M2元素（如Ge元素，Si元素和P元素）和S元素（例如Li元素）的硫化物固体电解质材料，解决了上述问题， ，其中在使用CuKα线的X射线衍射测量中，该材料在2θ的位置具有峰值= 29.58°±0.50°; 并且当峰2处的衍射强度= 29.58°±0.50°被认为是IA，并且峰2处的衍射强度= 27.33°±0.50°被认为是IB，IB / IA的值较小 大于0.50，M2含有至少P和Si。

公开(公告)号：US20240243351A1

公开(公告)日：2024-07-18

申请号：US18619886

申请日：2024-03-28

Applicant: TOKYO INSTITUTE OF TECHNOLOGY ,  TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Ryoji Kanno ,  Satoshi Hori ,  Shinya Shiotani

IPC: H01M10/0562 ,  H01M10/0525

CPC classification number: H01M10/0562 ,  H01M10/0525 ,  H01M2300/0068

Abstract: A main object of the present disclosure is to provide a sulfide solid electrolyte capable of suppressing a decrease in Li ion conductivity due to moisture. The present disclosure achieves the object by providing a sulfide solid electrolyte comprising a Li element, a P element, a S element and an O element, and having a granular shape, and including a crystal portion oriented along the granular shape, on an inner surface of the sulfide solid electrolyte.

公开(公告)号：US10403933B2

公开(公告)日：2019-09-03

申请号：US15938843

申请日：2018-03-28

Applicant: TOKYO INSTITUTE OF TECHNOLOGY ,  TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Ryoji Kanno ,  Satoshi Hori

IPC: H01M10/0562 ,  H01M10/052 ,  C01B25/14

Abstract: In order to improve the stability of an electrolyte, an object of the present disclosure is to develop, among the sulfide solid electrolytes of Li—P—S—O based 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 present disclosure achieves the object by providing a solid electrolyte material including a sulfide composition represented by a composition formula Li4-4y-xP4+1+y-xP5+xS4-zOz (Li4-4y-xP1+yS4-zOz), wherein 0.6≤x

公开(公告)号：US10396395B2

公开(公告)日：2019-08-27

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 ,  H01M10/052 ,  C01B25/14 ,  H01M10/0525 ,  C01B17/22

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：US10033065B2

公开(公告)日：2018-07-24

申请号：US14375571

申请日：2013-02-05

Applicant: TOKYO INSTITUTE OF TECHNOLOGY ,  TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Ryoji Kanno ,  Masaaki Hirayama ,  Yuki Kato ,  Takamasa Otomo ,  Mitsuru Sakano

IPC: H01M10/05 ,  H01M10/0562 ,  H01B1/10 ,  C01B17/20 ,  C01G19/00 ,  C01G17/00 ,  C01B25/14 ,  H01M10/052 ,  H01M4/62

Abstract: A main object of the present invention is to provide a sulfide solid electrolyte material having favorable ion conductivity and low reduction potential. The present invention solves the above-mentioned problem by providing a sulfide solid electrolyte material including an M1 element (such as a Li element), an M2 element (such as a Ge element, a Si element and a P element) and a S element, wherein the material has a peak at a position of 2θ=29.58°±0.50° in X-ray diffraction measurement using a CuKα line; and when a diffraction intensity at the peak of 2θ=29.58°±0.50° is regarded as IA and a diffraction intensity at a peak of 2θ=27.33°±0.50° is regarded as IB, a value of IB/IA is less than 0.50, and M2 contains at least P and Si.

公开(公告)号：US20240166513A1

公开(公告)日：2024-05-23

申请号：US18427393

申请日：2024-01-30

Applicant: AGC Inc. ,  Tokyo Institute of Technology

Inventor： Takeya Mezaki ,  Yoshitake Toda ,  Kohta Yamada ,  Naoki Matsui ,  Guangzhong Jiang ,  Ryoji Kanno

IPC: C01B6/24 ,  C01F11/22 ,  H01M8/1016 ,  H01M10/0562

CPC classification number: C01B6/246 ,  C01B6/24 ,  C01F11/22 ,  C01P2002/50 ,  C01P2002/72 ,  C01P2002/77 ,  C01P2002/88 ,  C01P2006/40 ,  H01M8/1016 ,  H01M10/0562 ,  H01M2300/0068 ,  H01M2300/008

Abstract: A hydride ion conductor is represented by:


MAMBH4-xFx  Formula (1), where



MA is selected from the group consisting of Ca, Sr, and Ba, MB is selected from the group consisting of Mg and Ca, and is different from MA, and x is 0

公开(公告)号：US20190074541A1

公开(公告)日：2019-03-07

申请号：US16083597

申请日：2017-03-10

Applicant: Tokyo Institute of Technology

Inventor： Ryoji Kanno ,  Masaaki HIRAYAMA ,  Kota SUZUKI ,  Yulong SUN

IPC: H01M10/0562 ,  H01M10/0525 ,  C04B35/547 ,  C04B35/626 ,  C04B35/64

Abstract: To provide a sulfide solid electrolyte material which does not include Ge and which has excellent electrochemical stability and high lithium ion conductivity.A sulfide solid electrolyte, including a sulfide-based solid electrolyte represented by the composition formula: Li4-4z-x[SnySi1-y]1+z-xPxS4 (where 0.5≤x≤0.6, y=0.2, and 0≥z≥−0.2), wherein the sulfide solid electrolyte has a peak at position 2θ=29.58°±0.50° in X-ray diffraction measurement using CuKα radiation and does not have a peak at position 2θ=27.33°±0.50° in X-ray diffraction measurement using CuKα radiation, or when the sulfide solid electrolyte has a peak at the position 2θ=27.33°±0.50°, the value of IB/IA is less than 0.50 (where IA is the diffraction intensity of the 2θ=29.58°±0.50° peak and IB is the diffraction intensity of the 2θ=27.33°±0.50° peak).

公开(公告)号：US09929433B2

公开(公告)日：2018-03-27

申请号：US14760344

申请日：2013-12-18

Applicant: TOKYO INSTITUTE OF TECHNOLOGY ,  TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Ryoji Kanno ,  Masaaki Hirayama ,  Yuki Kato ,  Hisatsugu Yamasaki

IPC: H01M10/0562 ,  H01M10/052 ,  H01B1/12 ,  H01M4/62 ,  H01B1/10

CPC classification number: H01M10/0562 ,  H01B1/10 ,  H01B1/122 ,  H01M4/62 ,  H01M10/052 ,  H01M2220/30 ,  H01M2300/0068 ,  Y02T10/7011

Abstract: The problem is to provide a sulfide solid electrolyte material with favorable Li ion conductivity in a low-temperature environment. The problem is overcome by providing a sulfide solid electrolyte material comprising an M1 element (such as an Li element and an Mg element), an M2 element (such as a Ge element and a P element) and a S element, wherein the sulfide solid electrolyte material has a peak at a position of 2θ=29.58°±0.50° in X-ray diffraction measurement using a CuKα ray, does not have a peak at a position of 2θ=27.33°±0.50° or slightly having the peak, and a substituted amount δ(%) of the divalent element in the M1 element is in such a range that the sulfide solid electrolyte material exhibits higher Li ion conductance at 0° C. than the case of δ=0.

公开(公告)号：US09263763B2

公开(公告)日：2016-02-16

申请号：US14365950

申请日：2012-12-21

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA ,  TOKYO INSTITUTE OF TECHNOLOGY

Inventor： Masaaki Hirayama ,  Ryoji Kanno ,  Yuki Kato ,  Koji Kawamoto ,  Takamasa Otomo

IPC: H01M10/0562 ,  H01M4/13 ,  H01M10/052 ,  H01B1/10 ,  C01B17/20 ,  C01G17/00

CPC classification number: H01M10/0562 ,  C01B17/20 ,  C01G17/006 ,  C01P2002/72 ,  C01P2002/74 ,  C01P2002/77 ,  H01B1/10 ,  H01M4/13 ,  H01M10/052 ,  H01M2300/0068 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011

Abstract: The object of the present invention is to provide a sulfide solid electrolyte material with favorable ion conductivity. The present invention attains the object by providing a sulfide solid electrolyte material including an M1 element (such as a Li element), an M2 element (such as a Ge element and a P element), a S element and an O element, and having a peak at a position of 2θ=29.58°±0.50° in an X-ray diffraction measurement using a CuKα ray, characterized in that when a diffraction intensity at the peak of 2θ=29.58°±0.50° is regarded as IA and a diffraction intensity at a peak of 2θ=27.33°±0.50° is regarded as IB, a value of IB/IA is less than 0.50.

Abstract translation: 本发明的目的是提供一种具有良好的离子传导性的硫化物固体电解质材料。 本发明的目的是提供一种含有M1元素（如Li元素），M2元素（如Ge元素和P元素），S元素和O元素的硫化物固体电解质材料，并具有 在使用CuKα射线的X射线衍射测定中，在2θ的位置处的峰值= 29.58°±0.50°，其特征在于当峰2处的衍射强度= 29.58°±0.50°被认为是IA， 在2峰处的衍射强度= 27.33°±0.50°被认为是IB，IB / IA的值小于0.50。

公开(公告)号：US20140363745A1

公开(公告)日：2014-12-11

申请号：US14365950

申请日：2012-12-21

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA ,  TOKYO INSTITUTE OF TECHNOLOGY

Inventor： Masaaki Hirayama ,  Ryoji Kanno ,  Yuki Kato ,  Koji Kawamoto ,  Takamasa Otomo

IPC: H01M10/0562 ,  H01M10/052

CPC classification number: H01M10/0562 ,  C01B17/20 ,  C01G17/006 ,  C01P2002/72 ,  C01P2002/74 ,  C01P2002/77 ,  H01B1/10 ,  H01M4/13 ,  H01M10/052 ,  H01M2300/0068 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011

Abstract: The object of the present invention is to provide a sulfide solid electrolyte material with favorable ion conductivity. The present invention attains the object by providing a sulfide solid electrolyte material including an M1 element (such as a Li element), an M2 element (such as a Ge element and a P element), a S element and an O element, and having a peak at a position of 2θ=29.58°±0.50° in an X-ray diffraction measurement using a CuKα ray, characterized in that when a diffraction intensity at the peak of 2θ=29.58°±0.50° is regarded as IA and a diffraction intensity at a peak of 2θ=27.33°±0.50° is regarded as IB, a value of IB/IA is less than 0.50.

Abstract translation: 本发明的目的是提供一种具有良好的离子传导性的硫化物固体电解质材料。 本发明的目的是提供一种含有M1元素（如Li元素），M2元素（如Ge元素和P元素），S元素和O元素的硫化物固体电解质材料，并具有 在使用CuKα射线的X射线衍射测定中，在2θ的位置处的峰值= 29.58°±0.50°，其特征在于当峰2处的衍射强度= 29.58°±0.50°被认为是IA， 峰2处的衍射强度= 27.33°±0.50°被认为是IB，IB / IA的值小于0.50。