公开(公告)号：US20200013999A1

公开(公告)日：2020-01-09

申请号：US16482644

申请日：2018-01-29

Applicant: TOPPAN PRINTING CO., LTD.,

Inventor： Junya IMAMOTO ,  Yu OGIHARA ,  Masayoshi SUZUTA

IPC: H01M2/08 ,  H01M2/06 ,  H01M10/0525 ,  B32B15/085 ,  H01G11/80 ,  H01M10/04

Abstract: A packaging material for a power storage device, having a structure in which at least a substrate layer, a metallic foil layer with an anti-corrosion treatment layer being disposed on one face or both faces thereof, an adhesive layer or an adhesive resin layer, and a sealant layer are laminated in this order, wherein at least one layer of the adhesive resin layer and the sealant layer comprises a polyolefin-based resin, and an additive compound with an SP value of 11.0 (cal/cm3)1/2 or more and 20.0 (cal/cm3)1/2 or less.

公开(公告)号：US20190123312A1

公开(公告)日：2019-04-25

申请号：US16221234

申请日：2018-12-14

Applicant: TOPPAN PRINTING CO., LTD.

Inventor： Junya IMAMOTO ,  Yu OGIHARA ,  Masayoshi SUZUTA

IPC: H01M2/02 ,  B32B15/085 ,  B32B15/20 ,  B32B7/12 ,  H01M10/0525

CPC classification number: H01M2/0287 ,  B32B7/12 ,  B32B15/085 ,  B32B15/20 ,  B32B27/08 ,  B32B27/18 ,  B32B2255/20 ,  B32B2255/24 ,  B32B2255/28 ,  B32B2270/00 ,  B32B2274/00 ,  B32B2457/10 ,  H01G9/08 ,  H01G11/78 ,  H01M2/02 ,  H01M10/0525 ,  Y02E60/13

Abstract: A power storage device packaging material has a structure in which at least a substrate layer, a first adhesive layer, a metal foil layer having an anticorrosion treatment layer on either side or both sides thereof, and a sealant layer are laminated in this order. In the packaging material, the sealant layer is formed of a resin composition containing polyolefin, and the sealant layer has at least one crystallization temperature peak in a temperature range of about 100° C. to about 120° C.

公开(公告)号：US20210226283A1

公开(公告)日：2021-07-22

申请号：US17056363

申请日：2019-02-05

Applicant: TOPPAN PRINTING CO., LTD.

Inventor： Junya IMAMOTO ,  Yu OGIHARA ,  Masayoshi SUZUTA

IPC: H01M50/126 ,  B32B15/085 ,  B32B15/20 ,  B32B7/12 ,  C23C22/07 ,  H01G11/78

Abstract: A packaging material for a power storage device, comprising at least: a substrate layer; a metallic foil layer with an anti-corrosion treatment layer being disposed on one face or both faces thereof; and a sealant layer in this order, wherein a sealant layer includes a resin layer containing a polypropylene-based resin (A) and an incompatible component (B) incompatible with a polypropylene-based resin (A), and as for loss tangent tan δ obtained by dynamic viscoelasticity measurement at a frequency of 1.0 Hz, the sealant layer has a maximal value of tan δ at −30 to 30° C., and in addition, a ratio (II/I) of the maximal value (II) of tan δ at −30 to 30° C. to a value (I) of tan δ at −50° C. is 2.50 or more.

公开(公告)号：US20200091473A1

公开(公告)日：2020-03-19

申请号：US16617419

申请日：2018-05-18

Applicant: TOPPAN PRINTING CO., LTD.

Inventor： Junya IMAMOTO ,  Yu OGIHARA ,  Masayoshi SUZUTA

IPC: H01M2/08 ,  H01G11/80 ,  H01M2/32

Abstract: A packaging material for a power storage device, comprising at least: a substrate layer; a metallic foil layer with an anti-corrosion treatment layer being disposed on one face or both faces thereof; and a sealant layer in this order, wherein the sealant layer includes a polypropylene-based resin (A) and 1 to 40% by mass of incompatible component (B), and maximum seal strength SM in an adhered portion resulting from adhesion by heat-sealing the packaging material is 35 N/15 mm or more, and in addition, the packaging material for a power storage device satisfies the following requirements (1) or (2): (1) a ratio SS/SM of seal strength SS to maximum seal strength SM in a stable range is 0.3 or more; (2) a ratio SA/SM of average seal strength SA to maximum seal strength SM is 0.3 or more.

公开(公告)号：US20190143646A1

公开(公告)日：2019-05-16

申请号：US16206532

申请日：2018-11-30

Applicant: TOPPAN PRINTING CO., LTD.

Inventor： Yu OGIWARA ,  Junya IMAMOTO ,  Masayoshi SUZUTA

IPC: B32B15/085 ,  B32B15/088 ,  B32B15/09 ,  B32B7/12 ,  H01M2/08 ,  H01M2/02

Abstract: A power storage device packaging material includes at least a substrate layer, a metal foil layer having an anticorrosion treatment layer on one or both sides thereof, and a sealant layer in this order. In the packaging material, the sealant layer includes a propylene-based branched polymer-containing layer that contains a propylene-based branched polymer having branched chains.

公开(公告)号：US20180205047A1

公开(公告)日：2018-07-19

申请号：US15921298

申请日：2018-03-14

Applicant: TOPPAN PRINTING CO., LTD.

Inventor： Yu OGIHARA ,  Junya IMAMOTO ,  Masayoshi SUZUTA

IPC: H01M2/08 ,  H01M2/02

CPC classification number: H01M2/08 ,  H01M2/0277 ,  H01M2/0287 ,  H01M10/052 ,  H01M10/0525

Abstract: An exterior material for a lithium ion battery comprising at least a substrate layer, a metal foil layer, and a sealant layer in that order, wherein the sealant layer comprises an anionic functional group-containing layer containing a compound having an anionic functional group, and the concentration of the anionic functional group contained in the anionic functional group-containing layer is about 1.0 mass % or more based on the total amount of the components constituting the anionic functional group-containing layer.