公开(公告)号：US20240322307A1

公开(公告)日：2024-09-26

申请号：US18574414

申请日：2022-06-29

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Atsuko TAKAHAGI ,  Daisuke YASUDA ,  Takanori YAMASHITA ,  Shinji HAYASHI ,  Kenta HIRAKI ,  Masayasu YAMAZAKI

IPC: H01M50/129 ,  B32B7/02 ,  B32B15/08 ,  B32B15/085 ,  B32B15/20 ,  B32B27/08 ,  B32B27/32 ,  B32B27/34 ,  B32B27/36 ,  B32B37/18 ,  H01M50/119 ,  H01M50/121

CPC classification number: H01M50/129 ,  B32B7/02 ,  B32B15/08 ,  B32B15/085 ,  B32B15/20 ,  B32B27/08 ,  B32B27/32 ,  B32B27/34 ,  B32B27/36 ,  B32B37/182 ,  H01M50/119 ,  H01M50/121 ,  B32B2255/06 ,  B32B2255/10 ,  B32B2255/26 ,  B32B2307/31 ,  B32B2307/518 ,  B32B2307/54 ,  B32B2307/581 ,  B32B2307/714 ,  B32B2307/7376 ,  B32B2307/746 ,  B32B2311/24 ,  B32B2323/04 ,  B32B2367/00 ,  B32B2377/00 ,  B32B2457/10

Abstract: An outer package material for power storage devices, the outer package material being composed of a multilayer body which sequentially includes at least a base material layer, a barrier layer and a thermally fusible resin layer in this order, wherein: the barrier layer contains an aluminum alloy foil that has a composition containing 0.2% by mass to 2.0% by mass of Fe and 0.1% by mass to 5.0% by mass of Mg; the thermally fusible resin layer is composed of a single layer or a plurality of layers; and a first thermally fusible resin layer that forms a surface of the multilayer body among the thermally fusible resin layers has a logarithmic decrement ΔE of 0.25 or less at 140° C. as determined by rigid pendulum measurement.

公开(公告)号：US20240217209A1

公开(公告)日：2024-07-04

申请号：US17914620

申请日：2021-03-26

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Daisuke YASUDA ,  Takanori YAMASHITA ,  Tetsuya OJIRI ,  Hiroyuki KOTERA ,  Tsuyoshi ITO ,  Yoshiko KIYOHARA ,  Kazufumi KODANI

IPC: B32B7/12 ,  B32B15/088 ,  B32B15/20 ,  B32B27/08 ,  B32B27/18 ,  B32B27/32 ,  B32B27/34 ,  B32B27/36 ,  H01G11/80 ,  H01G11/84 ,  H01M50/119 ,  H01M50/121 ,  H01M50/124 ,  H01M50/129

CPC classification number: B32B7/12 ,  B32B15/088 ,  B32B15/20 ,  B32B27/08 ,  B32B27/18 ,  B32B27/32 ,  B32B27/34 ,  B32B27/36 ,  H01G11/80 ,  H01G11/84 ,  H01M50/119 ,  H01M50/121 ,  H01M50/1243 ,  H01M50/129 ,  B32B2250/04 ,  B32B2255/06 ,  B32B2255/10 ,  B32B2255/26 ,  B32B2270/00 ,  B32B2307/31 ,  B32B2307/54 ,  B32B2307/7246 ,  B32B2307/7376 ,  B32B2457/10 ,  B32B2457/16

Abstract: A power storage device is constituted by a laminate including, in the stated order, at least a substrate layer, a barrier layer, and an inside layer. The inside layer is provided with an adhesive layer and a heat-sealing resin layer from the barrier layer side; and if dynamic viscoelasticity is measured by tension with respect to the inside layer, the growth rate at 80° C. is 8.0% or lower.

公开(公告)号：US20230344041A1

公开(公告)日：2023-10-26

申请号：US18035122

申请日：2021-11-24

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Makoto AMANO ,  Daisuke YASUDA ,  Masahiro TATSUZAWA ,  Kazuhiko YOKOTA ,  Takanori YAMASHITA ,  Yasuaki MUTOU ,  Jun KAGEYAMA ,  Hironori KAMIJO

IPC: H01M50/129 ,  H01M10/04

CPC classification number: H01M50/129 ,  H01M10/0481

Abstract: A power storage device packaging material includes a laminate having at least a base material layer, a barrier layer, and a heat-sealable resin layer sequentially from an outer side, wherein the base material layer includes a polyester film and a polyamide film, the polyester film has a thickness of 10 μm or more and 14 μm or less, and the polyamide film has a thickness of 18 μm or more and 22 μm or less.

公开(公告)号：US20230335835A1

公开(公告)日：2023-10-19

申请号：US18026931

申请日：2021-09-08

Applicant: DAI NIPPON PRINTING CO., LTD.

Inventor： Yoshiko KIYOHARA ,  Atsuko TAKAHAGI ,  Kazufumi KODANI ,  Daisuke YASUDA

IPC: H01M50/121 ,  H01M50/124 ,  H01M50/129

CPC classification number: H01M50/121 ,  H01M50/1243 ,  H01M50/129

Abstract: This exterior material for a power storage device is constituted of at least an outside layer, a barrier layer, and an inside layer, in that order from the outer side. The inside layer includes a compound represented by general formula (A). (In general formula (A), R11 and R12 each independently represent an alkyl group having 1 to 18 carbons, or a phenyl group that optionally has a substituent.)

公开(公告)号：US20230039112A1

公开(公告)日：2023-02-09

申请号：US17788263

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: more than 1.5 mass % and 5.0 mass % or less, and Al balance containing inevitable impurities. In the aluminum alloy foil, Mn is desirably 0.1 mass % or less in the inevitable impurities, and preferably, the tensile strength is 180 MPa or more, the elongation is 15% or more, and the average crystal grain diameter is 25 μm or less.

公开(公告)号：US20220281156A1

公开(公告)日：2022-09-08

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 ,  H01M50/116 ,  H01M50/124 ,  H01M50/183

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：US20170229684A1

公开(公告)日：2017-08-10

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: H01M2/02 ,  B32B15/088 ,  B32B7/12 ,  B32B15/20 ,  H01M2/08 ,  B32B15/09

CPC classification number: H01M2/0287 ,  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 ,  B32B27/283 ,  B32B27/302 ,  B32B27/308 ,  B32B27/32 ,  B32B27/322 ,  B32B27/325 ,  B32B27/34 ,  B32B27/36 ,  B32B27/38 ,  B32B27/40 ,  B32B27/42 ,  B32B2250/04 ,  B32B2250/05 ,  B32B2255/06 ,  B32B2255/10 ,  B32B2255/205 ,  B32B2255/26 ,  B32B2270/00 ,  B32B2274/00 ,  B32B2307/20 ,  B32B2307/202 ,  B32B2307/206 ,  B32B2307/31 ,  B32B2307/50 ,  B32B2307/518 ,  B32B2307/584 ,  B32B2307/71 ,  B32B2307/714 ,  B32B2307/7244 ,  B32B2307/7246 ,  B32B2307/732 ,  B32B2307/746 ,  B32B2307/752 ,  B32B2457/10 ,  B32B2553/00 ,  B32B2605/00 ,  H01G11/78 ,  H01M2/026 ,  H01M2/0262 ,  H01M2/0275 ,  H01M2/0277 ,  H01M2/0285 ,  H01M2/0292 ,  H01M2/08 ,  H01M2002/0297 ,  H01M2220/20 ,  Y02E60/13 ,  Y02T10/7022

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.