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公开(公告)号：US10741299B2
公开(公告)日：2020-08-11
申请号：US15749457
申请日：2016-07-15
Inventor： Ryoji Kanno , Satoshi Hori
IPC: H01B1/10 , C01B25/14 , H01M10/052 , H01M10/0562 , H01B1/06 , H01M4/62
Abstract: (Problem to be Solved) The present invention was made in view of the above-described problems, with an object of providing a Li—P—S-based sulfide solid electrolyte material with both excellent electrochemical stability and a high lithium ion conductivity, providing a method of producing the Li—P—S-based sulfide solid electrolyte material, and providing a lithium battery including the sulfide solid electrolyte material.(Solution) There is provided a sulfide solid electrolyte material including a Li element, a P element, and a S element and having peaks at positions of 2θ=17.90±0.20, 29.0±0.50, and 29.75±0.25′ in powder X-ray diffraction measurement using a Cu-Kα ray having an X-ray wavelength of 1.5418 Å, in which assuming that the diffraction intensity of the peak at 2θ=17.90±0.20 is IA and the diffraction intensity of the peak at 2θ=18.50±0.20 is IB, a value of IB/IA is less than 0.50.
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公开(公告)号：US20240243351A1
公开(公告)日：2024-07-18
申请号：US18619886
申请日：2024-03-28
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.
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公开(公告)号：US10403933B2
公开(公告)日：2019-09-03
申请号：US15938843
申请日：2018-03-28
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
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Patent Agency Ranking
公开(公告)号：US10396395B2
公开(公告)日：2019-08-27
申请号：US15937422
申请日：2018-03-27
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
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公开(公告)号：US10897059B2
公开(公告)日：2021-01-19
申请号：US15735355
申请日：2016-07-01
Inventor： Ryoji Kanno , Satoshi Hori , Yuki Kato
IPC: H01M10/0562 , H01M10/052 , H01B1/10 , C01B33/32 , H01M10/0525 , H01M10/0585
Abstract: The problem of the present invention is to provide a sulfide solid electrolyte material with favorable reduction resistance. The present invention solves the problem by providing a sulfide solid electrolyte material having a peak at a position of 2θ=30.26°±1.00° in X-ray diffraction measurement using a CuKα ray, and having a composition of Li(4−x−4y)Si(1−x+y)P(x)S(4−2a−z)O(2a+z) (a=1−x+y, 0.65≤x≤0.75, −0.025≤y≤0.1, −0.2≤z≤0).
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公开(公告)号：US11973183B2
公开(公告)日：2024-04-30
申请号：US17049136
申请日：2019-03-01
Inventor： Ryoji Kanno , Satoshi Hori , Shinya Shiotani
IPC: H01M10/0562 , H01M10/0525
CPC classification number: H01M10/0562 , H01M10/0525 , H01M2300/0068
Abstract: A sulfide solid electrolyte is capable of suppressing a decrease in Li ion conductivity due to moisture. A sulfide solid electrolyte includes 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.
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公开(公告)号：US11152641B2
公开(公告)日：2021-10-19
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 , C01B33/00 , C01G19/00 , H01M6/18 , C04B35/547 , H01B1/06 , C01D15/00 , H01M10/0525
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
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公开(公告)号：US10461363B2
公开(公告)日：2019-10-29
申请号：US15319317
申请日：2015-06-08
Inventor： Ryoji Kanno , Masaaki Hirayama , Kota Suzuki , Satoshi Hori , Yuki Kato
IPC: H01M10/0562 , C01B25/14 , H01M4/62 , C01B17/22 , H01M10/052 , H01M10/0525
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).
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