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1.发明公开公开(公告)号：US20240332680A1
公开(公告)日：2024-10-03
申请号：US18698874
申请日：2022-09-21
Applicant: DAI NIPPON PRINTING CO., LTD.
Inventor： Makoto AMANO , Masahiro TATSUZAWA , Takanori YAMASHITA
IPC: H01M50/136 , H01M50/105 , H01M50/119 , H01M50/129
CPC classification number: H01M50/136 , H01M50/105 , H01M50/119 , H01M50/129
Abstract: A power storage device packaging material, including a laminate including at least a base material layer, a barrier layer, and a heat-sealable resin layer in this order from an outer side, wherein the barrier layer has a thickness of 38 μm or more, the laminate has a bending resistance of 1.1 mN or more, as measured under predetermined conditions in accordance with the provisions of JIS L1085: 1998, and the number of double folds until a pinhole is formed in the laminate is 600 or more, as measured under predetermined conditions in accordance with the provisions of JIS P8115: 2001.
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2.发明公开公开(公告)号：US20240186627A1
公开(公告)日：2024-06-06
申请号：US18287687
申请日：2022-04-27
Applicant: DAI NIPPON PRINTING CO., LTD.
Inventor： Miho SASAKI , Takanori YAMASHITA , Ryo FUJIWARA
IPC: H01M50/197 , B32B3/04 , B32B7/027 , B32B7/14 , B32B27/08 , B32B27/30 , C09J7/35 , H01G11/78 , H01G11/84 , H01M50/105 , H01M50/121 , H01M50/126 , H01M50/131 , H01M50/193
CPC classification number: H01M50/197 , B32B3/04 , B32B7/027 , B32B7/14 , B32B27/08 , B32B27/30 , C09J7/35 , H01M50/105 , H01M50/121 , H01M50/126 , H01M50/131 , H01M50/193 , B32B2250/24 , B32B2307/31 , B32B2307/7244 , B32B2307/7246 , B32B2307/7376 , B32B2457/10 , B32B2457/16 , C09J2203/326 , C09J2301/1242 , C09J2301/304 , C09J2400/228 , C09J2423/04 , C09J2423/10 , C09J2467/006 , H01G11/78 , H01G11/84
Abstract: An adhesive film is used for a power storage device, wherein the power storage device includes a structure in which a power storage device element is accommodated in a package formed by a power storage device exterior material, the power storage device exterior material is composed of a laminate including at least a base material layer, a barrier layer, and thermally fusible resin layers in this order from the outside, the thermally fusible resin layers of the power storage device exterior material are thermally fused together to accommodate the power storage device element in the package, the adhesive film is used so as to be interposed between the thermally fusible resin layers at a position where the thermally fusible resin layers are thermally fused together, the adhesive film has a multilayer structure, and the adhesive film includes at least one resin layer L having a melting peak temperature of 100-135° C.
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公开(公告)号：US20180076423A1
公开(公告)日：2018-03-15
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
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.
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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.
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5.发明申请公开(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.
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Patent Agency Ranking
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
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.
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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
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.
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公开(公告)号：US20180090724A1
公开(公告)日：2018-03-29
申请号：US15561704
申请日：2016-03-30
Applicant: DAI NIPPON PRINTING CO., LTD.
Inventor： Kaoru MIYAZAKI , Hirotoshi SAKAMOTO , Yousuke HAYAKAWA , Rikiya YAMASHITA , Takanori YAMASHITA , Tsuyoshi SUZUKI , Yoichi MOCHIZUKI , Kazuhiko YOKOTA , Tetsuya OJIRI
IPC: H01M2/02
CPC classification number: H01M2/0287 , H01G11/78 , H01G11/80 , H01M2/0277
Abstract: Provided is a cell packaging material having a high insulating performance and durability. A cell packaging material comprising a layered body provided with at least a substrate layer, a metal layer, an adhesive layer, and a heat-fusible resin layer in the stated order. The adhesive layer has a resin composition that contains an acid-modified polyolefin and an epoxy resin. In probe displacement amount measurements involving the use of a thermal mechanical analyzer, when a probe is placed on the surface of the adhesive layer at an end part of the cell packaging material and the probe is heated from 40° C. to 220° C., the position of the probe does not drop in relation to the initial value.
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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.
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10.发明申请公开(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.
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