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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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公开(公告)号：US10020537B2
公开(公告)日：2018-07-10
申请号：US15426311
申请日：2017-02-07
Inventor： Ryoji Kanno , Masaaki Hirayama , Kota Suzuki , Huang Wenze
IPC: H01M10/0525 , H01M10/0562 , H01M10/058 , C01B17/22 , H01M10/052
CPC classification number: H01M10/0562 , C01B17/22 , C01P2002/72 , H01M10/052 , H01M10/0525 , H01M10/058 , H01M2300/0068
Abstract: A main object of the present disclosure is to provide a sulfide solid electrolyte material with favorable Li ion conductivity. To achieve the above object, the present disclosure provides a sulfide solid electrolyte material comprising a composition of Li(4+x)AlxSi(1−x)S4 (0
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