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公开(公告)号：US20200350623A1
公开(公告)日：2020-11-05
申请号：US16930996
申请日：2020-07-16
Inventor： IZURU SASAKI , AKIHIRO SAKAI , YUTA SUGIMOTO , AKINOBU MIYAZAKI
IPC: H01M10/0562 , H01M4/1315 , H01M4/505 , H01M4/525
Abstract: Provided is a battery including a positive electrode including a first positive electrode layer and a second positive electrode layer; a negative electrode; and an electrolyte layer. The first positive electrode layer includes a first positive electrode active material, a first solid electrolyte material, and a coating material. The second positive electrode layer includes a second positive electrode active material and the first solid electrolyte material. The first solid electrolyte material includes lithium, at least one kind selected from the group consisting of metalloid elements and metal elements other than lithium; and at least one kind selected from the group consisting of chlorine and bromine. The first solid electrolyte material does not include sulfur.
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公开(公告)号：US20200350621A1
公开(公告)日：2020-11-05
申请号：US16930430
申请日：2020-07-16
Inventor： YUTA SUGIMOTO , RYUICHI NATSUI , IZURU SASAKI , AKINOBU MIYAZAKI
IPC: H01M10/0562 , H01M10/0525 , H01M4/525
Abstract: Provided is a positive electrode material which further improves charge/discharge efficiency. The positive electrode material according to the present disclosure includes a positive electrode active material and a first solid electrolyte material. The first solid electrolyte material includes Li, M, and X, and does not include sulfur. M is at least one selected from the group consisting of metalloid elements and metal elements other than Li. X is at least one selected from the group consisting of Cl, Br, and I. The positive electrode active material includes a metal oxyfluoride.
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公开(公告)号：US20200350562A1
公开(公告)日：2020-11-05
申请号：US16930415
申请日：2020-07-16
Inventor： YUTA SUGIMOTO , IZURU SASAKI , TATSUYA OSHIMA , AKINOBU MIYAZAKI
IPC: H01M4/36 , H01M10/0525 , H01M10/0562 , H01M4/485 , H01M4/62
Abstract: The present disclosure provides an anode material having further improved charge/discharge efficiency. The anode material according to the present disclosure includes an anode active material and a first solid electrolyte material. The first solid electrolyte material includes Li, M, and X, and does not include sulfur. M is at least one selected from the group consisting of metalloid elements and metal elements other than Li. X is at least one kind selected from the group consisting of Cl, Br, and I. The anode active material is an active material capable of storing and releasing lithium ions at a potential with respect to lithium of not less than 0.27 V.
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公开(公告)号：US20180183065A1
公开(公告)日：2018-06-28
申请号：US15787643
申请日：2017-10-18
Inventor： IZURU SASAKI
IPC: H01M4/62 , H01M10/0562
Abstract: A battery according to one aspect of the present disclosure includes a first electrode layer, a first counter electrode layer being a counter electrode of the first electrode layer, a first solid electrolyte layer located between the first electrode layer and the first counter electrode layer, and a first heat-conducting layer including a first region containing a heat-conducting material. The first region is located between the first electrode layer and the first solid electrolyte layer.
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公开(公告)号：US20240088360A1
公开(公告)日：2024-03-14
申请号：US18508275
申请日：2023-11-14
Inventor： KAZUYA HASHIMOTO , YUTA SUGIMOTO , IZURU SASAKI
IPC: H01M4/36 , H01M4/525 , H01M4/62 , H01M10/0562
CPC classification number: H01M4/366 , H01M4/525 , H01M4/62 , H01M10/0562 , H01M2004/028
Abstract: The coated active material of the present disclosure includes an active material and a coating layer coating at least a part of the surface of the active material. The coated active material has a supernatant transmittance of greater than 64% and less than 93%. The supernatant transmittance is a transmittance of light with a wavelength of 550 nm measured for a supernatant liquid obtained by dispersing and precipitating the coated active material in a solvent. The supernatant liquid is placed in a quartz cell with a 10 mm optical path length and devoted to measurement of the transmittance.
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Patent Agency Ranking
公开(公告)号：US20240079569A1
公开(公告)日：2024-03-07
申请号：US18506170
申请日：2023-11-10
Inventor： KENJI NAGAO , YUTA SUGIMOTO , KAZUYA HASHIMOTO , IZURU SASAKI
IPC: H01M4/36 , H01M4/525 , H01M4/62 , H01M10/0562 , H01M10/42
CPC classification number: H01M4/366 , H01M4/525 , H01M4/62 , H01M10/0562 , H01M10/4235 , H01M2004/028
Abstract: A coated active material including: a positive electrode active material; a second coating layer; and a first coating layer outside the second coating layer, in which a percentage of change from S1 to S2 is −78.0% or greater and −15.0% or less and/or a percentage of change from S3 to S4 is −77.0% or greater and −12.0% or less, where S1 is a sum of dV/dD over a range of pore diameters of 2 nm to 100 nm of the active material coated with the second coating layer; S2 is a sum of dV/dD over a range of pore diameters of 2 nm to 100 nm of the coated active material; S3 is dV/dD at a pore diameter of 3 nm of the active material coated with the second coating layer; and S4 is dV/dD at a pore diameter of 3 nm of the coated active material.
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公开(公告)号：US20230163299A1
公开(公告)日：2023-05-25
申请号：US18153364
申请日：2023-01-12
Inventor： KENTA NAGAMINE , IZURU SASAKI
CPC classification number: H01M4/582 , H01M4/366 , H01M2004/028
Abstract: A positive electrode material includes a positive electrode active material, a first solid electrolyte, and a coating material covering at least part of the surface of the positive electrode active material. The first solid electrolyte is represented by the following compositional formula (1): LiaMbXc . . . Formula (1). In the compositional formula (1), a, b and c are each independently a positive real number, M includes calcium, yttrium, and at least one rare earth element other than yttrium, and X includes at least one selected from the group consisting of F, Cl, Br and I.
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公开(公告)号：US20230080525A1
公开(公告)日：2023-03-16
申请号：US18046506
申请日：2022-10-14
Inventor： KENTA NAGAMINE , KUNIHIKO MINEYA , IZURU SASAKI
IPC: H01M4/36 , H01M4/62 , H01M4/131 , H01M4/139 , H01M4/505 , H01M4/525 , H01M10/0525 , H01M10/0562 , H01M4/04
Abstract: A positive electrode material contains a positive electrode active material, a solid electrolyte, and a coating material for coating the positive electrode active material, wherein the coating material is denoted by Composition formula (1) below. LiaAbXc (1). Herein, each of a, b, and c is a positive real number, A is at least one selected from the group consisting of N, P, and S, and X contains at least F.
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公开(公告)号：US20230066483A1
公开(公告)日：2023-03-02
申请号：US18046505
申请日：2022-10-14
Inventor： KENTA NAGAMINE , IZURU SASAKI
IPC: H01M10/0562 , H01M4/485 , H01M10/0525
Abstract: The positive electrode material according to an aspect of the present disclosure includes a first solid electrolyte, a positive electrode active material, and a coating material coating the surface of the positive electrode active material. The first solid electrolyte is represented by the following compositional formula: LiaMbOcXd. In the compositional formula, a, b, c, and d are positive real numbers; M is at least one selected from the group consisting of Ta and Nb; and X is at least one selected from the group consisting of Cl, Br, and I.
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公开(公告)号：US20230006196A1
公开(公告)日：2023-01-05
申请号：US17930426
申请日：2022-09-08
Inventor： HIROKI KAMITAKE , SEIJI NISHIYAMA , IZURU SASAKI
IPC: H01M4/36 , H01M10/0562 , H01M4/62
Abstract: A positive-electrode material according to the present disclosure includes a positive-electrode active material and a coating layer covering the positive-electrode active material, wherein the coating layer contains lithium and carbon, the positive-electrode active material and the coating layer constitute a coated active material, and the ratio C/Li of the carbon content to the lithium content in a surface layer portion of the coated active material is 3.27 or more based on the atomic ratio.
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