公开(公告)号：US11476524B2

公开(公告)日：2022-10-18

申请号：US15514637

申请日：2015-09-24

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Daisuke Yasuda ,  Atsuko Takahagi ,  Rikiya Yamashita ,  Shinichiro Nakamura

IPC: H01M50/124 ,  H01M50/133 ,  H01M50/183 ,  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 ,  B32B7/12 ,  B32B15/088 ,  B32B15/09 ,  H01M50/131

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：US10985419B2

公开(公告)日：2021-04-20

申请号：US16322257

申请日：2017-08-04

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Daisuke Yasuda ,  Takanori Yamashita ,  Rikiya Yamashita

IPC: H01M50/124 ,  B27N3/18 ,  B65H20/04 ,  D04H1/60 ,  D04H1/732 ,  D21B1/06 ,  D21F7/06 ,  B32B7/12 ,  B32B15/09 ,  B32B15/20 ,  B32B27/08 ,  B32B27/36 ,  C22C21/00 ,  B29L7/00

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：US12237461B2

公开(公告)日：2025-02-25

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

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：US20240283061A1

公开(公告)日：2024-08-22

申请号：US18637876

申请日：2024-04-17

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Daisuke Yasuda ,  Takanori Yamashita

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

CPC classification number: H01M50/1243 ,  H01G11/30 ,  H01G11/82

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. 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：US11923500B2

公开(公告)日：2024-03-05

申请号：US18144434

申请日：2023-05-08

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：US11840009B2

公开(公告)日：2023-12-12

申请号：US17379237

申请日：2021-07-19

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Daisuke Yasuda ,  Rikiya Yamashita ,  Takanori Yamashita

IPC: B29C55/12 ,  B32B27/36 ,  B65D65/40 ,  H01M50/124 ,  H01M50/121 ,  H01M50/126 ,  H01M50/105 ,  H01M50/133 ,  H01M50/119 ,  H01M50/122 ,  H01M50/193 ,  H01M50/186 ,  B32B37/24 ,  B32B7/00 ,  B32B7/04 ,  H01M50/131 ,  H01M50/129 ,  B32B27/34 ,  B32B15/085 ,  B32B27/08 ,  B32B27/32 ,  B32B7/023 ,  B32B7/12 ,  B32B15/20 ,  B32B37/12 ,  B32B15/18 ,  B32B27/20 ,  B32B15/09

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 ,  B32B7/00 ,  B32B7/023 ,  B32B7/04 ,  B32B7/12 ,  B32B15/085 ,  B32B15/09 ,  B32B15/18 ,  B32B15/20 ,  B32B27/08 ,  B32B27/20 ,  B32B27/32 ,  B32B27/34 ,  B32B37/1207 ,  B32B2037/1215 ,  B32B2037/246 ,  B32B2250/03 ,  B32B2307/31 ,  B32B2307/40 ,  B32B2307/418 ,  B32B2307/42 ,  B32B2307/514 ,  B32B2307/518 ,  B32B2307/732 ,  B32B2307/734 ,  B32B2307/738 ,  B32B2309/105 ,  B32B2311/24 ,  B32B2311/30 ,  B32B2367/00 ,  B32B2457/10 ,  B32B2553/00 ,  B65D2585/86 ,  H01M50/129 ,  H01M50/131 ,  Y10T428/1334 ,  Y10T428/1341 ,  Y10T428/1352 ,  Y10T428/1355 ,  Y10T428/1359 ,  Y10T428/1379 ,  Y10T428/1383 ,  Y10T428/2813 ,  Y10T428/2817 ,  Y10T428/2826 ,  Y10T428/31681 ,  Y10T428/31786

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：US10854855B2

公开(公告)日：2020-12-01

申请号：US15505639

申请日：2015-08-24

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Atsuko Takahagi ,  Rikiya Yamashita ,  Daisuke Yasuda

IPC: H01M2/02 ,  H01M10/0525

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 sum (A+B) of a value A of stress when 40% extended/stress when 10% extended in the direction MD and a value B of stress when 40% extended/stress when 10% extended in the direction TD of the laminate satisfying the relationship A+B≥2.50.

公开(公告)号：US10720612B2

公开(公告)日：2020-07-21

申请号：US15777241

申请日：2016-11-29

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Makoto Amano ,  Daisuke Yasuda ,  Takanori Yamashita ,  Rikiya Yamashita

IPC: H01M2/00 ,  H01M2/02 ,  H01G11/78 ,  B32B3/00 ,  B32B15/00 ,  H01G11/80 ,  H01M2/08

Abstract: A battery packaging material that is excellent in continuous productivity of batteries. A battery packaging material comprising a laminate having at least a base material layer, a barrier layer, and a heat-sealable resin layer in this order, wherein the heat-sealable resin layer contains a lubricant, and when a Vickers-shaped indenter is pressed into a surface of the heat-sealable resin layer opposite to the barrier layer at a loading speed of 5 mN/10 sec, using PICODENTOR (registered trademark) HM500, in an environment at a temperature of 24° C. and a relative humidity of 50%, an indentation depth of the indenter into the heat-sealable resin layer at the point when a load on the indenter reaches 3.0 mN is 5.8 μm or less.