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公开(公告)号：US20240088384A1
公开(公告)日：2024-03-14
申请号：US17767450
申请日：2019-10-09
Applicant: HONDA MOTOR CO., LTD.
Inventor： Akihisa TANAKA , Yoshiyuki MORITA
CPC classification number: H01M4/582 , C01F7/50 , H01M4/136 , H01M10/05 , H01M2004/021
Abstract: Provided are: a negative electrode mixture composite which is for a fluoride ion secondary battery having high initial charge/discharge efficiency, and by which the fluoride ion secondary battery that starts charging can be achieved; a negative electrode and a secondary battery for a fluoride ion secondary battery using said composite; and a method for producing said composite. This composite is formed with other components of a negative electrode mixture, using, as negative electrode active materials, nanoparticle-sized aluminum and modified aluminum fluoride having vacancies due to the desorption of fluoride ions, and thus forming a coating due to aluminum fluoride formed by a refluorination reaction after defluorination is suppressed, and the aggregation of particles of negative electrode active materials is suppressed.
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公开(公告)号：US20220238879A1
公开(公告)日：2022-07-28
申请号：US17584359
申请日：2022-01-25
Applicant: HONDA MOTOR CO., LTD.
Inventor： Akihisa TANAKA , Yoshiyuki MORITA
Abstract: Provided is a fluoride ion secondary battery having a capacity larger than that of a conventional one. A negative electrode for use in such a fluoride ion secondary battery includes a complex of Li3AlF6 and AlF3 as a negative electrode active material. The complex of Li3AlF6 and AlF3 preferably has a molar ratio of AlF3 to Li3AlF6 of 0.1 to 2. The content of the complex of Li3AlF6 and AlF3 in the negative electrode is preferably 25% by mass or less. The complex of Li3AlF6 and AlF3 is preferably in an amorphous state.
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公开(公告)号：US20240072248A1
公开(公告)日：2024-02-29
申请号：US17767441
申请日：2019-10-09
Applicant: HONDA MOTOR CO., LTD.
Inventor： Akihisa TANAKA , Yoshiyuki MORITA
CPC classification number: H01M4/38 , C01F7/00 , H01M4/134 , H01M4/1395 , H01M4/625 , H01M10/05 , H01M2004/027
Abstract: The present invention provides: a negative electrode mixture composite body for fluoride ion secondary batteries, said composite body enabling the achievement of a fluoride ion secondary battery that has high initial charge/discharge efficiency; a negative electrode for fluoride ion secondary batteries and a secondary battery, each using this composite body; and a method for producing this composite body. According to the present invention, a composite body is formed using, as a negative electrode active material, nanometer-sized aluminum particles together with the other constituents of a negative electrode mixture, so that coating by aluminum fluoride that is formed by a re-fluoridation reaction after defluoridation is suppressed, while suppressing aggregation of negative electrode active material particles.
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公开(公告)号：US20220238878A1
公开(公告)日：2022-07-28
申请号：US17584357
申请日：2022-01-25
Applicant: HONDA MOTOR CO., LTD.
Inventor： Akihisa TANAKA , Yoshiyuki MORITA
Abstract: Provided is a fluoride ion secondary battery having a capacity larger than that of a conventional one. The fluoride ion secondary battery includes a negative electrode including Li3AlF6 as a negative electrode active material. The content of the active material Li3AlF6 in the negative electrode may be 25% by mass or less. The active material Li3AlF6 may be in an amorphous state and may be in the form of particles with an average particle size on the order of micrometers.
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5.发明公开公开(公告)号：US20240327237A1
公开(公告)日：2024-10-03
申请号：US18595444
申请日：2024-03-05
Inventor： Kazumasa SAKATSUME , Yoshiyuki MORITA , Yoshiya FUJIWARA , Akihisa TANAKA , Kazuki CHIBA , Takashi HAKARI , Junji AKIMOTO , Kunimitsu KATAOKA
CPC classification number: C01G45/12 , H01M4/505 , C01P2002/72 , C01P2006/40
Abstract: The invention provides a secondary battery positive electrode active material including an oxide containing Li, Mn, and Ti, wherein the oxide has a Li content of 43 to 60 mol %, a Mn content of 22 to 35 mol %, and a Ti content of 7 to 29 mol %, the oxide has an X-ray diffraction pattern that is measured using CuKα as an X-ray source and has a maximum X-ray diffraction peak exhibiting the highest peak intensity and existing at an angle in the range of 43 to 45 degrees, the oxide satisfies the formula 0.70
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Patent Agency Ranking
公开(公告)号：US20230261253A1
公开(公告)日：2023-08-17
申请号：US17767452
申请日：2019-10-09
Applicant: HONDA MOTOR CO., LTD.
Inventor： Akihisa TANAKA , Yoshiyuki MORITA
IPC: H01M10/0562 , H01M4/46 , H01M4/58 , H01M4/36
CPC classification number: H01M10/0562 , H01M4/463 , H01M4/58 , H01M4/362 , H01M2004/028
Abstract: The present invention provides a fluoride ion secondary battery which has high initial charge/discharge efficiency, while starting with a charged state and having a high voltage. According to the present invention, a composite body is formed using, as negative electrode active materials, nanometer-sized aluminum particles and modified aluminum fluoride together with the other constituents of a negative electrode mixture, said modified aluminum fluoride having voids that are formed by deintercalation of fluoride ions; and a fluoride ion secondary battery is configured by combining a negative electrode, which uses this composite body, with a positive electrode that contains a specific substance as a positive electrode active material.
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公开(公告)号：US20220285740A1
公开(公告)日：2022-09-08
申请号：US17669370
申请日：2022-02-11
Applicant: HONDA MOTOR CO., LTD.
Inventor： Akihisa TANAKA , Yoshiyuki MORITA
Abstract: A fluoride ion secondary battery, comprising: a positive electrode layer, a solid electrolyte layer, and a negative electrode layer, wherein the positive electrode layer comprises a positive electrode active material; the positive electrode active material comprises a composite fluoride comprising copper and a fluoride; the solid electrolyte comprises BaCaF4; the negative electrode layer comprises a negative electrode active material, a conductive aid, and a solid electrolyte; the negative electrode active material comprises a lanthanoid fluoride doped with the alkaline earth metal fluoride; the conductive aid comprises a carbon material, the solid electrolyte contained in the negative electrode layer comprises at least one of BaCaF4 and SrCaF4; and the lanthanoid fluoride doped with the alkaline earth metal fluoride forms a composite with the carbon material.
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公开(公告)号：US20240322133A1
公开(公告)日：2024-09-26
申请号：US18589483
申请日：2024-02-28
Applicant: HONDA MOTOR CO., LTD.
Inventor： Kazuki CHIBA , Kazumasa SAKATSUME , Takashi HAKARI , Akihisa TANAKA , Yoshiya FUJIWARA , Yoshiyuki MORITA
CPC classification number: H01M4/366 , C01G53/50 , H01M4/131 , H01M4/505 , H01M4/525 , H01M10/052 , C01P2002/72 , C01P2002/74 , C01P2002/86 , C01P2006/40 , H01M2004/028
Abstract: A cathode active material for a lithium secondary battery contains a lithium transition metal composite oxide as a main component, the lithium transition metal composite oxide is in a form of particles having a layered structure of a lithium layer and a transition metal-lithium layer, the lithium transition metal composite oxide is expressed by General Formula (1) LimNixMnyTizO2 (in the formula, m is in a range of 1.0
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公开(公告)号：US20240079586A1
公开(公告)日：2024-03-07
申请号：US17767442
申请日：2019-10-09
Applicant: HONDA MOTOR CO., LTD.
Inventor： Akihisa TANAKA , Yoshiyuki MORITA
CPC classification number: H01M4/582 , H01M4/136 , H01M10/05 , H01M2004/027
Abstract: Provided are: a fluoride ion secondary battery negative electrode mixture composite that makes it possible to achieve a fluoride ion secondary battery that has high initial charging/discharging efficiency and is ready to be charged; a fluoride ion secondary battery negative electrode and a secondary battery that use the composite; and a production method for the composite.
The present invention uses nanoparticle-sized aluminum and a metal fluoride as negative electrode active materials to form a composite with other negative electrode mixture components and thereby suppresses the formation of an aluminum fluoride coating that is formed by a re-fluoridation reaction after de-fluoridation and also suppresses the aggregation of particles of the negative electrode active materials.-
10.发明申请公开(公告)号：US20220285683A1
公开(公告)日：2022-09-08
申请号：US17577017
申请日：2022-01-17
Applicant: HONDA MOTOR CO., LTD.
Inventor： Akihisa TANAKA , Yoshiyuki MORITA
IPC: H01M4/58 , H01M10/0525
Abstract: Provided is a negative electrode active material including AlF3, Li3AlF6, and Li2ZrF6. Furthermore, a negative electrode layer including the negative electrode active material is provided. Additionally, a fluoride ion secondary battery, including the negative electrode layer, an electrolyte, and a positive electrode layer is provided.
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