公开(公告)号：US10581032B2

公开(公告)日：2020-03-03

申请号：US15254558

申请日：2016-09-01

Applicant: TOPPAN PRINTING CO., LTD.

Inventor： Takuya Muraki ,  Tomohiko Yamazaki ,  Masayoshi Suzuta

IPC: H01M2/02 ,  B32B7/12 ,  B32B15/08 ,  B32B27/32 ,  B32B15/088 ,  B32B15/20 ,  B32B27/34 ,  H01M10/052 ,  H01M10/0525

Abstract: A lithium battery packaging material of the present invention includes a laminate in which a substrate layer, a first adhesive layer, a metal foil layer, a corrosion prevention treatment layer, a second adhesive layer, and a sealant layer are laminated in this order. In the packaging material, the corrosion prevention treatment layer contains an rare-earth oxide, and 1 to 100 parts by mass of phosphoric acid or phosphate relative to 100 parts by mass of the rare-earth oxide, the second adhesive layer includes an adhesive composition containing an acid modified polyolefin resin and a polyfunctional isocyanate compound, and, in an infrared absorption spectrum of the second adhesive layer, a ratio (Y/X) between absorption (X) derived from C—H bending vibration of CH3 and absorption (Y) derived from N—H bending vibration of a biuret bond is 0.3 or less.

公开(公告)号：US10790481B2

公开(公告)日：2020-09-29

申请号：US16014379

申请日：2018-06-21

Applicant: TOPPAN PRINTING CO., LTD.

Inventor： Takuya Muraki ,  Tomohiko Yamazaki ,  Masayoshi Suzuta

IPC: H01M2/02 ,  H01G11/78 ,  H01G11/84 ,  H01G11/82 ,  H01M2/32 ,  H01M10/38 ,  H01M2/08

Abstract: The present invention relates to a packaging material for a power storage device, the packaging material having a structure in which at least a substrate protective layer, a substrate layer, an adhesive layer, a metal foil layer, a sealant adhesive layer, and a sealant layer are laminated in this order, wherein the substrate protective layer is a cured product of a raw material containing a polyester resin and a polyisocyanate, a ratio [NCO]/[OH] is 5 to 60, where [OH] is the number of moles of hydroxyl groups in the polyester resin, and [NCO] is the number of moles of isocyanate groups in the polyisocyanate, and the polyester resin has a hydroxyl value of 10 to 70 KOHmg/g.

公开(公告)号：US10707454B2

公开(公告)日：2020-07-07

申请号：US15950420

申请日：2018-04-11

Applicant: TOPPAN PRINTING CO., LTD.

Inventor： Takuya Muraki ,  Shunsuke Nakanishi

IPC: H01M2/00 ,  H01M2/02 ,  B32B15/08 ,  H01G11/78 ,  B32B15/20 ,  B32B27/08 ,  B32B15/085 ,  B32B27/32 ,  B32B15/095 ,  B32B7/12 ,  B32B27/18 ,  B32B27/16 ,  B32B27/26 ,  B32B27/40 ,  B32B1/02 ,  B32B3/04 ,  B32B27/34 ,  H01G11/80 ,  H01M2/08

Abstract: A packaging material for a power storage device includes a structure made up of a cover layer, a barrier layer, a sealant adhesive layer, and a sealant layer laminated in this general order. In the packaging material, the barrier layer has an aluminum foil layer and an anticorrosion treatment layer that is provided to a sealant layer side surface of the aluminum foil layer and faces the sealant adhesive layer. The sealant layer side surface of the aluminum foil layer has a 60° glossiness that is 690 or less in both MD and TD, and has a difference in 60° glossiness between MD and TD that is 100 or less.

公开(公告)号：US11264662B2

公开(公告)日：2022-03-01

申请号：US16735271

申请日：2020-01-06

Applicant: TOPPAN PRINTING CO., LTD.

Inventor： Satoshi Sasaki ,  Takuya Muraki ,  Tomohiko Yamazaki ,  Masayoshi Suzuta

IPC: H01M50/124 ,  H01M50/116 ,  H01M50/183 ,  H01G11/80

Abstract: A power storage device packaging material includes a structure including at least a substrate layer, an adhesive layer, a metal foil layer, a sealant adhesive layer, and a sealant layer, which are laminated in this order, wherein the adhesive layer has a yield stress in the range of 3500 to 6500 N/cm2 and breaking elongation of 45 to 200% in a stress-strain curve determined by a tensile test at a tension rate of 6 mm/min. A power storage device packaging material according to the second aspect of the present disclosure includes a structure including at least a substrate layer, an adhesive layer, a metal foil layer, an anticorrosion treatment layer, a sealant adhesive layer, and a sealant layer, which are laminated in this order, wherein the adhesive layer has a glass transition temperature in a range of 140° C. or more and 160° C. or less.

公开(公告)号：US20210091435A1

公开(公告)日：2021-03-25

申请号：US17110862

申请日：2020-12-03

Applicant: TOPPAN PRINTING CO., LTD.

Inventor： Takuya Muraki

IPC: H01M50/197 ,  C09D167/02 ,  C09D163/00 ,  C09D175/04 ,  C09D181/04 ,  C08G63/183

Abstract: A terminal coating resin film used for sealing current output terminals in power storage devices or power generation devices. The terminal coating resin film comprises a resin composition having adhesion to the current output terminals. The resin composition contains at least one of a thermosetting resin and a thermoplastic resin having a melting point of 160° C. or higher and does not contain any thermoplastic resin having a melting point of less than 160° C.

公开(公告)号：US10897030B2

公开(公告)日：2021-01-19

申请号：US16131668

申请日：2018-09-14

Applicant: TOPPAN PRINTING CO., LTD.

Inventor： Takuya Muraki ,  Tomohiko Yamazaki ,  Masayoshi Suzuta

IPC: H01M2/02 ,  H01G11/78 ,  B65D65/40 ,  H01M2/10 ,  B32B7/12 ,  B32B15/04 ,  B32B37/12 ,  H01G11/80 ,  H01G11/84 ,  H01M2/08 ,  B32B38/00

Abstract: A packaging material for a power storage device, the packaging material including a structure in which at least a substrate protective layer, a substrate layer, an adhesive layer, a metal foil layer, a sealant adhesive layer, and a sealant layer are laminated in this order, wherein the substrate protective layer is a cured product of a raw material containing a polyester resin or an acrylic resin, and a curing agent; the polyester resin or the acrylic resin has reactive groups reactive with the curing agent at a terminal position and/or in a side chain; the curing agent contains an isocyanate other than an alicyclic isocyanate, and an alicyclic isocyanate; and the ratio ([a]/[b]) of the weight of the isocyanate other than an alicyclic isocyanate [a] to the weight of the alicyclic isocyanate [b] is 99/1 to 80/20.