公开(公告)号：US20240083099A1

公开(公告)日：2024-03-14

申请号：US18386385

申请日：2023-11-02

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Daisuke YASUDA ,  Rikiya YAMASHITA ,  Takanori YAMASHITA

IPC: B29C55/12 ,  B32B27/36 ,  B65D65/40 ,  H01M50/105 ,  H01M50/119 ,  H01M50/121 ,  H01M50/122 ,  H01M50/124 ,  H01M50/126 ,  H01M50/133 ,  H01M50/186 ,  H01M50/193

CPC classification number: B29C55/12 ,  B32B27/36 ,  B65D65/40 ,  H01M50/105 ,  H01M50/119 ,  H01M50/121 ,  H01M50/122 ,  H01M50/124 ,  H01M50/126 ,  H01M50/133 ,  H01M50/186 ,  H01M50/193 ,  B32B2037/246 ,  B32B2553/00

Abstract: A battery packaging material including a laminate that is provided with a barrier layer, a heat-fusible resin layer positioned on one surface side of the barrier layer, and a polyester film positioned on the other surface side of the barrier layer. When the infrared absorption spectrum on the surface of the polyester film in 18 directions at intervals of 10° from 0° to 180° is obtained using the total reflection method of Fourier transform infrared spectroscopy, the ratio (surface orientation degree, Ymax/Ymin) of the maximum value Ymax and the minimum value Ymin of the ratio (Y1340/Y1410) of the absorption peak intensity Y1340 in 1340 cm−1 and the absorption peak intensity Y1410 in 1410 cm−1 in the infrared absorption spectrum is in the range of 1.4-2.7.

公开(公告)号：US20230024359A1

公开(公告)日：2023-01-26

申请号：US17942495

申请日：2022-09-12

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Daisuke YASUDA ,  Atsuko TAKAHAGI ,  Rikiya YAMASHITA ,  Shinichiro NAKAMURA

IPC: H01M50/124 ,  B32B15/20 ,  H01G11/78 ,  B32B27/30 ,  B32B27/32 ,  B32B15/06 ,  B32B27/36 ,  B32B15/098 ,  B32B27/38 ,  B32B27/34 ,  B32B27/40 ,  B32B25/16 ,  B32B15/082 ,  B32B27/28 ,  B32B15/095 ,  B32B27/42 ,  B32B7/04 ,  B32B15/085 ,  B32B15/092 ,  B32B27/18 ,  B32B25/08 ,  B32B27/08 ,  H01M50/116 ,  H01M50/183 ,  B32B7/12 ,  B32B15/088 ,  B32B15/09

Abstract: Provided is a packaging material for batteries, which has excellent insulating properties. A packaging material for batteries, which is formed of a laminate that is obtained by sequentially laminating at least a base layer, a bonding layer, a metal layer and a sealant layer, and wherein the base layer comprises a resin layer A that is formed of a thermoplastic resin having a volume resistivity of 1×1015 Ω·cm or more.

公开(公告)号：US20220115723A1

公开(公告)日：2022-04-14

申请号：US17287216

申请日：2019-10-24

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Daisuke YASUDA ,  Makoto AMANO ,  Takanori YAMASHITA

IPC: H01M50/126 ,  H01M50/121 ,  B32B7/12 ,  B32B27/08 ,  B32B27/34 ,  B32B27/36 ,  H01G9/08

Abstract: A casing material for a power storage device, including a laminate that includes, in order, at least a base material layer, a barrier layer, and a heat-fusible resin layer. The heat-fusible resin layer includes a single layer or a plurality of layers. The heat-fusible resin layer includes at least one layer having a hardness of at least 70 MPa from a cross-section in the lamination direction of the laminate, measured using a nanoindentation method using an indentation load of 100 μN.

公开(公告)号：US20230387519A1

公开(公告)日：2023-11-30

申请号：US18230894

申请日：2023-08-07

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Daisuke YASUDA ,  Yosuke HAYAKAWA ,  Kaoru TSUMORI ,  Takanori YAMASHITA ,  Rikiya YAMASHITA

IPC: H01M50/138 ,  H01M50/124 ,  H01M50/131 ,  B32B7/12 ,  H01M50/134 ,  H01M50/119 ,  H01M50/121 ,  H01M50/122 ,  H01M50/126 ,  H01M50/133 ,  H01M50/186 ,  H01M50/193

CPC classification number: H01M50/138 ,  H01M50/124 ,  H01M50/131 ,  B32B7/12 ,  H01M50/134 ,  H01M50/119 ,  H01M50/121 ,  H01M50/122 ,  H01M50/126 ,  H01M50/133 ,  H01M50/186 ,  H01M50/193 ,  B32B27/36

Abstract: A battery packaging material including a laminate including at least a base material layer, a barrier layer, an adhesive layer, and a heat-sealable resin layer in this order, in which crushing of the adhesive layer is effectively prevented when the heat-sealable resin layer is heat-sealed with itself, and a high sealing strength is achieved in a high-temperature environment. The battery packaging material includes a laminate including at least a base material layer, a barrier layer, an adhesive layer, and a heat-sealable resin layer in this order, wherein the adhesive layer has a logarithmic decrement ΔE of 2.0 or less at 120° C. according to rigid-body pendulum measurement.

公开(公告)号：US20220375697A1

公开(公告)日：2022-11-24

申请号：US17788574

申请日：2020-12-25

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Shinji HAYASHI ,  Kenta HIRAKI ,  Daisuke YASUDA ,  Masayasu YAMAZAKI

IPC: H01G11/78 ,  H01M50/10 ,  C22C21/02

Abstract: An exterior material for an electrical storage device has a laminate including at least a base material layer, a barrier layer, and a thermosetting resin layer in this order, the barrier layer including an aluminum alloy foil that satisfies a composition of Si: 0.5 mass % or less, Fe: 0.2-2.0 mass % inclusive, and Mg: 0.1-5.0 mass % inclusive.

公开(公告)号：US20220013306A1

公开(公告)日：2022-01-13

申请号：US17287193

申请日：2019-10-24

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Daisuke YASUDA ,  Takanori YAMASHITA

IPC: H01G11/82 ,  H01G11/30 ,  H01M50/124

Abstract: A casing material for a power storage device, comprising a laminate that comprises, in order, at least a base material layer, a barrier layer, and a heat-fusible resin layer. The heat-fusible resin layer comprises a single layer or a plurality of layers. A first heat-fusible resin layer, among the heat-fusible resin layers, that constitutes the surface of the laminate has a logarithmic decrement ΔE of no more than 0.20 in a rigid body pendulum measurement at 140° C.

公开(公告)号：US20190198826A1

公开(公告)日：2019-06-27

申请号：US16322257

申请日：2017-08-04

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Daisuke YASUDA ,  Takanori YAMASHITA ,  Rikiya YAMASHITA

IPC: H01M2/02 ,  C22C21/00 ,  B32B15/09 ,  B32B27/08 ,  B32B27/36 ,  B32B15/20 ,  B32B7/12

CPC classification number: H01M2/0287 ,  B27N3/18 ,  B32B7/12 ,  B32B15/09 ,  B32B15/20 ,  B32B27/08 ,  B32B27/36 ,  B32B2307/31 ,  B32B2457/10 ,  C22C21/00 ,  D04H1/60 ,  H01M2220/20

Abstract: A battery packaging material which is slim, has excellent moldability, effectively prevents curl after molding, and moreover, is capable of imparting sufficient surface insulation to a battery. This battery packaging material is configured from a laminate which is at least provided with a polyester film layer, an aluminum alloy foil layer, and a thermally-fusible resin layer in this order. The thickness of the polyester film layer is 23-27 μm, the thickness of the aluminum alloy foil layer is 33-37 μm, the thickness of the thermally-fusible resin layer is 55-65 μm, the thickness of the laminate is 130 μm or less, and the insulation breakdown voltage of the polyester film layer-side surface is 13 kV or greater.

公开(公告)号：US20190143581A1

公开(公告)日：2019-05-16

申请号：US16306265

申请日：2017-05-31

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Daisuke YASUDA ,  Rikiya YAMASHITA ,  Takanori YAMASHITA

IPC: B29C55/12 ,  H01M2/08 ,  B32B27/36 ,  H01M2/02 ,  B65D65/40

Abstract: A battery packaging material including a laminate that is provided with a barrier layer, a heat-fusible resin layer positioned on one surface side of the barrier layer, and a polyester film positioned on other surface side of barrier layer. This battery packaging material is configured from at least a laminate provided with a barrier layer, heat-fusible resin layer positioned on one surface side of barrier layer, and a polyester film positioned on other surface side of barrier layer. When infrared absorption spectrum on the polyester film's surface in 18 directions at intervals of 10° from 0°-180° is obtained using total reflection method of Fourier transform infrared spectroscopy, the ratio of the maximum value and the minimum value of the ratio (Y1340/Y1410) of the absorption peak intensity Y1340 in 1340 cm−1 and the absorption peak intensity Y1410 in 1410 cm−1 in the infrared absorption spectrum is in the range of 1.4-2.7.

公开(公告)号：US20240170716A1

公开(公告)日：2024-05-23

申请号：US18421027

申请日：2024-01-24

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Atsuko TAKAHAGI ,  Rikiya YAMASHITA ,  Daisuke YASUDA

IPC: H01M10/0525 ,  H01M50/119 ,  H01M50/121 ,  H01M50/124 ,  H01M50/133

CPC classification number: H01M10/0525 ,  H01M50/119 ,  H01M50/121 ,  H01M50/124 ,  H01M50/133

Abstract: A packaging material for batteries including a laminate in which at least a base material layer, a metal layer, and a sealant layer are laminated in order. The battery packaging material satisfies the relationships of: (A1−A2)≥60 N/15 mm; and (B1−B2)≥50 N/15 mm A1 is a stress in elongation by 10% in the MD direction and B1 is a stress in elongation by 10% in the TD direction in the laminate, and A2 is a stress in elongation by 10% in the MD direction and B2 is a stress in elongation by 10% in the TD direction in the base material layer.

公开(公告)号：US20230022746A1

公开(公告)日：2023-01-26

申请号：US17788678

申请日：2020-12-25

Applicant: MA Aluminum Corporation ,  DAI NIPPON PRINTING CO., LTD.

Inventor： Takashi SUZUKI ,  Masaya ENDO ,  Shinji HAYASHI ,  Kenta HIRAKI ,  Daisuke YASUDA ,  Masayasu YAMAZAKI

IPC: C22C21/08

Abstract: An aluminum alloy foil having a composition contains Si: 0.5 mass % or less, Fe: 0.2 mass % or more and 2.0 mass % or less, Mg: 0.1 mass % or more and 1.5 mass % or less, and Al balance containing inevitable impurities, and if desired, Mn is regulated to 0.1 mass % or less in the inevitable impurities, and preferably, the tensile strength is 110 MPa or more 180 MPa or less, the elongation is 10% or more, and the average crystal grain diameter is 25 μm or less.