公开(公告)号：US11707880B2

公开(公告)日：2023-07-25

申请号：US17749456

申请日：2022-05-20

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Daisuke Yasuda ,  Rikiya Yamashita ,  Takanori Yamashita

IPC: B29C55/12 ,  B32B27/36 ,  B65D65/40 ,  H01M50/124 ,  H01M50/129 ,  H01M50/133 ,  H01M50/121 ,  H01M50/131 ,  B32B7/12 ,  B32B15/09 ,  B32B15/20 ,  H01M50/14 ,  H01M50/119 ,  H01M50/117 ,  H01M50/198 ,  H01M50/126 ,  H01M50/197 ,  H01M50/19 ,  H01M50/10 ,  H01M50/145 ,  H01M50/116

CPC classification number: B29C55/12 ,  B32B27/36 ,  B65D65/40 ,  H01M50/121 ,  H01M50/124 ,  H01M50/129 ,  H01M50/133 ,  B32B7/12 ,  B32B15/09 ,  B32B15/20 ,  B32B2250/04 ,  B32B2250/05 ,  B32B2255/20 ,  B32B2255/205 ,  B32B2307/518 ,  B32B2367/00 ,  B32B2457/10 ,  H01M50/10 ,  H01M50/116 ,  H01M50/117 ,  H01M50/119 ,  H01M50/126 ,  H01M50/131 ,  H01M50/14 ,  H01M50/145 ,  H01M50/19 ,  H01M50/197 ,  H01M50/198 ,  Y10T428/31678 ,  Y10T428/31681 ,  Y10T428/31786

Abstract: A technology for improving molding properties while minimizing curling after molding in a battery packaging material comprising a laminate that is provided with a barrier layer, a heat-sealable 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. This battery packaging material is configured from at least a laminate provided with a barrier layer, a heat-sealable 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. The birefringence of the polyester film is in the range of 0.016-0.056.

公开(公告)号：US11370160B2

公开(公告)日：2022-06-28

申请号：US16303867

申请日：2017-05-31

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Daisuke Yasuda ,  Rikiya Yamashita ,  Takanori Yamashita

IPC: B29C55/12 ,  B32B27/36 ,  B65D65/40 ,  H01M50/116 ,  H01M50/124 ,  H01M50/183 ,  H01M50/131 ,  B32B7/12 ,  B32B15/09 ,  B32B15/20 ,  H01M50/14 ,  H01M50/198 ,  H01M50/126 ,  H01M50/197 ,  H01M50/19 ,  H01M50/10 ,  H01M50/119 ,  H01M50/117

Abstract: A technology for improving molding properties while minimizing curling after molding in a battery packaging material comprising a laminate that is provided with a barrier layer, a heat-sealable 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. This battery packaging material is configured from at least a laminate provided with a barrier layer, a heat-sealable 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. The birefringence of the polyester film is in the range of 0.016-0.056.

公开(公告)号：US12064951B2

公开(公告)日：2024-08-20

申请号：US17287216

申请日：2019-10-24

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Daisuke Yasuda ,  Makoto Amano ,  Takanori Yamashita

IPC: B32B7/12 ,  B32B27/08

CPC classification number: B32B7/12 ,  B32B27/08 ,  B32B2307/31 ,  B32B2307/7265 ,  B32B2457/10

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：US11688878B2

公开(公告)日：2023-06-27

申请号：US17562710

申请日：2021-12-27

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Atsuko Takahagi ,  Rikiya Yamashita ,  Daisuke Yasuda

IPC: H01M50/10 ,  H01M50/116 ,  H01M50/124 ,  H01M10/0525 ,  H01M50/121 ,  H01M50/119 ,  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：US11251481B2

公开(公告)日：2022-02-15

申请号：US17077715

申请日：2020-10-22

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Atsuko Takahagi ,  Rikiya Yamashita ,  Daisuke Yasuda

IPC: H01M2/02 ,  H01M10/0525 ,  H01M50/10 ,  H01M50/116 ,  H01M50/124

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：US11990629B2

公开(公告)日：2024-05-21

申请号：US17287193

申请日：2019-10-24

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：US11097461B2

公开(公告)日：2021-08-24

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 ,  B32B27/36 ,  B65D65/40 ,  H01M50/10 ,  H01M50/124 ,  H01M50/183 ,  B32B37/24 ,  B32B7/00 ,  B32B7/04 ,  H01M50/131 ,  H01M50/121 ,  H01M50/129 ,  H01M50/126 ,  H01M50/105 ,  H01M50/133 ,  B32B15/09 ,  B32B7/12

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：US10547033B2

公开(公告)日：2020-01-28

申请号：US15557781

申请日：2016-03-25

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Toshishige Kokuryo ,  Rikiya Yamashita ,  Takanori Yamashita ,  Daisuke Yasuda

IPC: H01M2/02 ,  B32B15/08 ,  B32B15/18 ,  B32B7/12 ,  H01M10/00

Abstract: A packaging material for batteries, which has high puncture strength, while having excellent moldability and electrolyte solution resistance. A packaging material for batteries, which is formed of a laminate that sequentially includes at least a base layer, a stainless steel foil and a thermally fusible resin layer in this order, and wherein an acid-resistant coating film layer is formed on at least the thermally fusible resin layer-side surface of the stainless steel foil.

公开(公告)号：US12300826B2

公开(公告)日：2025-05-13

申请号：US17627481

申请日：2020-07-17

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Daisuke Yasuda ,  Takanori Yamashita

IPC: H01M50/121 ,  H01M50/129 ,  H01M50/133 ,  H01G9/08

Abstract: A power storage device packaging material including a heat-sealable resin layer containing polypropylene and polyethylene, in which whitening and a decrease in the insulation properties due to molding are prevented. A laminate with at least a base material layer, a barrier layer, and a heat-sealable resin layer in this order from an outer side toward an inner side, wherein the heat-sealable resin layer contains polypropylene and polyethylene; a cross section of the heat-sealable resin layer in a thickness direction parallel to TD, a sea-island structure is observed in a cross-sectional image obtained with scanning electron microscope; the cross-sectional image is such that when the total thickness of a layer positioned closer to inner side than the barrier layer is taken as 100%, the cross-sectional image is obtained within a range of thicknesses of up to 12.5% from a surface opposite to the barrier layer side of the heat-sealable resin layer.

公开(公告)号：US12237519B2

公开(公告)日：2025-02-25

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 ,  B32B7/04 ,  B32B7/12 ,  B32B15/06 ,  B32B15/082 ,  B32B15/085 ,  B32B15/088 ,  B32B15/09 ,  B32B15/092 ,  B32B15/095 ,  B32B15/098 ,  B32B15/20 ,  B32B25/08 ,  B32B25/16 ,  B32B27/08 ,  B32B27/18 ,  B32B27/28 ,  B32B27/30 ,  B32B27/32 ,  B32B27/34 ,  B32B27/36 ,  B32B27/38 ,  B32B27/40 ,  B32B27/42 ,  H01G11/78 ,  H01M50/116 ,  H01M50/119 ,  H01M50/121 ,  H01M50/129 ,  H01M50/131 ,  H01M50/133 ,  H01M50/183 ,  H01M50/186 ,  H01M50/193

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.