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公开(公告)号：US20240313217A1
公开(公告)日：2024-09-19
申请号：US18674063
申请日：2024-05-24
CPC分类号： H01M4/525 , C03B32/02 , C03C4/14 , C03C10/00 , C03C2204/00
摘要： The present disclosure addresses the problem of providing a novel oxide-based positive electrode active material having exceptional charge/discharge characteristics. The aforementioned problem is solved by an oxide-based positive electrode active material that is a glass ceramic configured to include: Li or Na; at least one transition metal (groups 3 to 12 in periods 4 and 5); and ions selected from the group consisting of sulfate ions, silicate ions, aluminate ions, germanate ions, borate ions, nitrate ions, carbonate ions, and halide ions.
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公开(公告)号：US20240162430A1
公开(公告)日：2024-05-16
申请号：US18549460
申请日：2022-03-02
IPC分类号： H01M4/48 , H01M10/0525 , H01M10/0562
CPC分类号： H01M4/48 , H01M10/0525 , H01M10/0562 , H01M2300/0068
摘要： An object is to provide a novel oxide-based ion conductor with improved ion conductivity over lithium oxide. The problem is solved by a noncrystalline ion conductor represented by the following formula:(Li2-xO1-xAx)1-yZy (I) (where A is one or more atoms selected from F, Cl, Br, and I, x satisfies 0.1≤x≤0.7, Z is a network-forming oxide, a network-modifying oxide (excluding Li2O), or an intermediate oxide, and y satisfies 0≤y≤0.25, except for those in which A is I and Z is SiO2 when 0.2≤y≤0.25).
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公开(公告)号：US20230042928A1
公开(公告)日：2023-02-09
申请号：US17767732
申请日：2020-10-09
摘要： An object is to provide an electrode active material that can provide an alkali metal battery having a longer charge/discharge life and a higher capacity. The problem is solved by means of an electrode active material for an alkali metal battery, represented by formula: Aa1MSa2Xa3 wherein A is selected from Li and Na; M is selected from V, Nb, Ta, Ti, Zr, Hf, Cr, Mo, and W which are group 4 to 6 elements; X is selected from F, Cl, Br, I, CO3, SO4, NO3, BH4, BF4, PF6, ClO4, CF3SO3, (CF3SO2)2N, (C2F5SO2)2N, (FSO2)2N, and [B(C2O4)2]; a1 is 1 to 9; a2 is 2 to 6; when a3 is 3 and a3 is 0, a2 is not 4; and when M does not include V, a3>0.
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公开(公告)号：US20210296707A1
公开(公告)日：2021-09-23
申请号：US17260361
申请日：2019-07-23
摘要： A solid electrolyte for an all-solid-state sodium battery, represented by formula: Na3−xSb1−xαxS4, wherein α is selected from elements that provide Na3−xSb1−xαxS4 exhibiting a higher ionic conductivity than Na3SbS4, and x is 0
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公开(公告)号：US20230290937A1
公开(公告)日：2023-09-14
申请号：US18040340
申请日：2021-07-28
IPC分类号： H01M4/38
CPC分类号： H01M4/382
摘要： The present invention addresses the problem of providing a countermeasure against deposition of an alkali metal in cases where the alkali metal is used as a negative electrode. The above-described problem is solved by a negative electrode composite body that contains: a negative electrode active material which contains, as main components, Li and an element M that is solid soluble in Li; and a substance X which has a higher redox potential than the negative electrode active material, or a substance X which does not have electrode activity.
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公开(公告)号：US20200335815A1
公开(公告)日：2020-10-22
申请号：US16762752
申请日：2018-11-05
IPC分类号： H01M10/0562 , H01M4/58
摘要： A solid electrolyte for all-solid sodium battery expressed by Na3-xSbS4-xAx, wherein A is selected from F, Cl, Br, I, NO3, BH4, BF4, PF6, ClO4, BH4, CF3SO3, (CF3SO2)2N, (C2F5SO2)2N, (FSO2)2N, and [B(C2O4)2]; and x is 0
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公开(公告)号：US20230100540A1
公开(公告)日：2023-03-30
申请号：US17908676
申请日：2021-03-03
IPC分类号： H01M4/58 , H01M10/0562
摘要： An object is to provide an electrode active material having a novel structure, said electrode active material enabling Li2S to be used as an electrode. The problem is solved by a solid solution with an antifluorite crystal structure comprising Li, Cu, and S as main constituents.
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