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公开(公告)号：US11769932B2
公开(公告)日：2023-09-26
申请号：US17187714
申请日：2021-02-26
IPC分类号： H01M50/46 , H01M10/0562 , H01M10/0525 , H01M4/50 , H01M4/62 , H01M4/66 , H01M50/403 , H01M4/02
CPC分类号： H01M50/46 , H01M4/502 , H01M4/623 , H01M4/661 , H01M10/0525 , H01M10/0562 , H01M50/403 , H01M2004/021 , H01M2004/028 , H01M2220/10 , H01M2220/20 , H01M2300/0071 , H01M2300/0082
摘要： According to one embodiment, an electrode construct including an electrode and a composite membrane is provided. The electrode includes an active material-containing layer and a current collecting layer. The active material-containing layer includes a first principal surface and a second principal surface. The current collecting layer is in contact with the second principal surface. The composite membrane includes a composite layer in contact with the first principal surface. The composite layer contains inorganic solid particles and a polymeric material. A peel strength σ1 at a first interface between the active material-containing layer and the composite layer and a peel strength σ2 at a second interface between the active material-containing layer and the current collecting layer satisfy a relationship of σ1>σ2, and σ2≤1 N/cm.
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2.发明授权公开(公告)号：US11597010B2
公开(公告)日：2023-03-07
申请号：US16106636
申请日：2018-08-21
IPC分类号： H01F1/24 , H01F1/26 , H01F1/33 , H01F1/147 , B22F1/068 , H02K1/02 , B22F1/0545 , B22F9/04 , B22F3/02 , B22F1/17 , H01F1/153 , B22F1/054
摘要： Provided is a plurality of flaky magnetic metal particles of embodiments, each flaky magnetic metal particle having a flat surface having either or both of a plurality of concavities and a plurality of convexities, the concavities or convexities being arranged in a first direction and each having a width of 0.1 μm or more, a length of 1 μm or more, and an aspect ratio of 2 or higher; and a magnetic metal phase containing at least one primary element selected from the group consisting of iron (Fe), cobalt (Co), and nickel (Ni). The flaky magnetic metal particles have an average thickness of between 10 nm and 100 μm inclusive, and the average value of the ratio of the average length within the flat surface with respect to the thickness is between 5 and 10,000 inclusive.
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公开(公告)号：US10756349B2
公开(公告)日：2020-08-25
申请号：US16118993
申请日：2018-08-31
发明人： Hayato Seki , Yumiko Sekiguchi , Kazuomi Yoshima , Yasuyuki Hotta , Shinsuke Matsuno , Norio Takami
IPC分类号： H01M4/02 , H01M4/62 , B60L58/10 , H01M4/485 , H01M10/42 , H01M10/0569 , H01M4/66 , H01M4/36 , H01M4/131 , H01M10/052 , B60L50/50 , H01M10/0567
摘要： According to one embodiment, provided is a secondary battery including an aqueous electrolyte, a positive electrode, and a negative electrode. A compound containing an element A is present on at least a part of the surface of the negative electrode. The element A is at least one selected from the group consisting of Hg, Pb, Zn, and Bi. According to scanning electron microscopy, a region where the compound containing the element A is present accounts for 50% of more of the surface of the negative electrode.
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公开(公告)号：US10461370B2
公开(公告)日：2019-10-29
申请号：US15444945
申请日：2017-02-28
发明人： Yasuyuki Hotta , Shinsuke Matsuno , Norio Takami
摘要： According to one embodiment, a secondary battery is provided. The secondary battery includes a positive electrode, a negative electrode, and an electrolyte. The electrolyte contains a water-containing solvent and a nitrogen atom-containing organic sulfur compound. The concentration of the nitrogen atom-containing organic sulfur compound in the electrolyte is within a range of from 0.001 mM to 20 mM.
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5.发明申请公开(公告)号：US20190283127A1
公开(公告)日：2019-09-19
申请号：US16106636
申请日：2018-08-21
摘要： Provided is a plurality of flaky magnetic metal particles of embodiments, each flaky magnetic metal particle having a flat surface having either or both of a plurality of concavities and a plurality of convexities, the concavities or convexities being arranged in a first direction and each having a width of 0.1 μm or more, a length of 1 μm or more, and an aspect ratio of 2 or higher; and a magnetic metal phase containing at least one primary element selected from the group consisting of iron (Fe), cobalt (Co), and nickel (Ni). The flaky magnetic metal particles have an average thickness of between 10 nm and 100 μm inclusive, and the average value of the ratio of the average length within the flat surface with respect to the thickness is between 5 and 10,000 inclusive.
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6.发明申请公开(公告)号：US20150188100A1
公开(公告)日：2015-07-02
申请号：US14579075
申请日：2014-12-22
发明人： Yoshiyuki ISOZAKI , Norio Takami , Yasuyuki Hotta
IPC分类号： H01M2/08 , H01M2/30 , H01M10/0525 , H01M2/20
CPC分类号： H01M2/08 , H01M2/06 , H01M2/1016 , H01M2/202 , H01M2/30 , H01M10/0525 , Y02E60/122
摘要： A nonaqueous electrolyte battery of the embodiment includes: an electrode group; a pair of electrode leads connected electrically to the positive electrode and the negative electrode of the electrode group; a battery case comprising an electrode group-housing part which houses the electrode group, a terminal-housing part which communicates with the electrode group-housing part and houses the respective electrode leads, and a welded sealing part which seals the electrode group-housing part and the terminal-housing part, wherein a through hole exposing a part of the respective electrode leads is formed on the terminal-housing part; and a resin sealant which seals a space between the terminal-housing part and the electrode leads exposed by the through hole, wherein the resin sealant is circularly provided in the through hole along the peripheral part of the through hole and is formed of a resin composition having a coefficient of thermal expansion within 8-50 (×10−6/K) at 0° C. to 100° C.
摘要翻译： 本实施方式的非水电解质电池包括：电极组; 一对与电极组的正极和负极电连接的电极引线; 电池壳体，包括容纳电极组的电极组壳体部分，与电极组壳体部分连通并容纳各个电极引线的端子壳体部分，以及密封电极组壳体部分的焊接密封部分 和端子壳体部分，其中在端子壳体部分上形成露出各个电极引线的一部分的通孔; 以及密封端子壳体部分和由通孔暴露的电极引线之间的空间的树脂密封剂，其中树脂密封剂沿着通孔的周边部分沿圆周设置在通孔中，并且由树脂组合物形成 在0℃至100℃下具有8-50（×10 -6 / K）内的热膨胀系数
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7.发明授权公开(公告)号：US11594783B2
公开(公告)日：2023-02-28
申请号：US16804489
申请日：2020-02-28
发明人： Yasuyuki Hotta , Hayato Seki , Kazuomi Yoshima , Shinsuke Matsuno , Norio Takami
IPC分类号： H01M50/431 , H01M50/20 , H01M4/485 , H01M4/66 , H01M10/054 , H01M10/0562 , H01M10/24 , H01M10/42
摘要： According to one embodiment, a separator is provided. The separator includes a composite membrane. The composite membrane includes a substrate layer, a first composite layer, and a second composite layer. The first composite layer is located on one surface of the substrate layer. The second composite layer is located on the other surface of the substrate layer. The composite membrane has a coefficient of air permeability of 1×10−14 m2 or less. The first composite layer has a first surface and a second surface. The first surface is in contact with the substrate layer. The second surface is located on an opposite side to the first surface. Denseness of a portion including the first surface is lower than denseness of a portion including the second surface in the first composite layer.
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公开(公告)号：US11251436B2
公开(公告)日：2022-02-15
申请号：US16778026
申请日：2020-01-31
发明人： Yasuyuki Hotta , Shinsuke Matsuno , Norio Takami
摘要： According to one embodiment, there is provided a secondary battery including a positive electrode, a negative electrode, and an aqueous electrolyte. The positive electrode includes a positive electrode active material. The negative electrode includes a negative electrode active material and an additive resin containing a hydroxyl group unit and a first unit. The first unit consists of at least one of a butyral unit and an acetal unit. A content ratio of a content of the first unit contained in the additive resin to a content of the hydroxyl group unit contained in the additive resin is in a range of 1.2 to 18.
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公开(公告)号：US20210305851A1
公开(公告)日：2021-09-30
申请号：US17002811
申请日：2020-08-26
摘要： A pressed powder material of the embodiments is a pressed powder material including: a plurality of flaky magnetic metal particles, each flaky magnetic metal particle having a flat surface and a magnetic metal phase containing at least one first element selected from the group consisting of Fe, Co, and Ni, the flaky magnetic metal particles having an average thickness of from 10 nm to 100 μm and an average value of the ratio of the average length in the flat surface to the thickness of from 5 to 10,000; and an intercalated phase existing between the flaky magnetic metal particles and containing at least one second element selected from the group consisting of oxygen (O), carbon (C), nitrogen (N), and fluorine (F), in which the pressed powder material includes a plane, and in which the pressed powder material includes, in a predetermined cross-section perpendicular to the flat surfaces, a void site at the boundary part between the flat surface of a flaky magnetic metal particle and the intercalated phase in contact with the flat surface, and the ratio of the length of the void site is 20% or less with respect to the length of the flat surface.
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公开(公告)号：US10790543B2
公开(公告)日：2020-09-29
申请号：US16119782
申请日：2018-08-31
发明人： Yasuyuki Hotta , Shinsuke Matsuno , Norio Takami
IPC分类号： H01M4/02 , H01M10/0565 , H01M10/42 , H01M10/0525 , H01M2/16 , H01M10/0585 , B60L58/10
摘要： According to one embodiment, a secondary battery is provided. The separator includes a porous self-supporting film, a solid electrolyte layer, and a first binder. The solid electrolyte layer is provided on one main surface of the porous self-supporting film. The porous self-supported film and the solid electrolyte layer are adhered with the first binder. The first binder exists on both of the one main surface and another main surface of the porous self-supporting film. The solid electrolyte layer includes solid electrolyte particles and a second binder. The solid electrolyte particles have alkali metal ions conductivity. The polymeric material of the second bonder is a same as the polymeric material of the first material.
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