Toppan Printing Co., Ltd.

Yamaha Corporation

Toyota Tsusho Corporation

Yuki Muroi

Takashi Nakamura

Hideyuki Maeda

Yuma Horio

Tomoaki Taniguchi

Takahiro Hayashi

Tetsutsugu Hamano

Hiroshi Dai

A secondary battery packaging material according to the present invention includes: a substrate layer having a first surface and containing polyester or polyamide; a metal foil layer laminated on the first surface of the substrate layer; an anti-corrosion treatment layer laminated on the metal foil layer; an adhesive layer laminated on the anti-corrosion treatment layer and containing two or more polyolefins; and a heat-sealable resin layer laminated on the adhesive layer. Of the two or more polyolefins, a first polyolefin having a highest melting temperature of the two or more polyolefins with a melting temperature of from not less than a heat-resistance imparting temperature to not more than a critical substrate layer thermal deterioration temperature; and of the two or more of polyolefins, and a second polyolefin having a lowest melting temperature of the two or more polyolefins with a melting temperature of from not less than a critical heat-resistance temperature to not more than a lamination temperature.

Packaging material for secondary battery, secondary battery, and method for manufacturing packaging material for secondary battery

A thermoelectric conversion module package includes: a thermoelectric conversion module including a first and a second substrate opposed to each other, a plurality of thermoelectric elements arranged between the first and second substrates, and a first and a second lead wire drawn out from one of the first and second substrates; and a package including a first metal foil covering the first substrate of the thermoelectric conversion module, a second metal foil covering the second substrate of the thermoelectric conversion module, a resin portion hermetically connecting the first metal foil and the second metal foil along an outer edge portion of the thermoelectric conversion module, and an insertion portion for hermetically passing the first and second lead wires through the resin portion.

Thermoelectric conversion module package

The present invention relates to a packaging material for a power storage device including at least a substrate layer, an adhesive layer, a metal foil layer, an anti-corrosion treatment layer, an adhesive resin layer and a thermal bonding resin layer laminated in this order, wherein a thickness of the adhesive layer is in a range of 0.3 to 3 &#x3bc;m, a 10-point average roughness Rzjis (in accordance with JIS B0601) of a surface of the metal foil layer which faces the substrate layer is in a range of 0.3 to 3 &#x3bc;m, and the thickness of the adhesive layer is not less than the 10-point average roughness Rzjis and not more than 3 &#x3bc;m, and a peel strength between the substrate layer and the metal foil layer (in accordance with JIS K6854-3) is in a range of 5 to 12 N/15 mm.

Packaging material for power storage device and power storage device using the packaging material

The present invention provides a secondary battery packaging material including at least a metal foil layer, a second base material layer, and a heat-sealing resin layer laminated in this order on a surface of a first base material layer. The second base material layer is laminated on the metal foil layer directly or via an anti-corrosion treatment layer. The first base material layer is formed of a resin composite containing a thermosetting resin or a thermoplastic resin. The second base material layer is formed of a resin composite containing a thermosetting resin.

Secondary battery packaging material and secondary battery

A packaging material for a power storage device, comprising: a coating layer disposed directly on a first surface of a metal foil or disposed via a first corrosion protection layer; and a second corrosion protection layer, a sealant adhesive layer, and a sealant layer disposed in this sequence on a second surface of the metal foil, wherein the coating layer is produced from an aromatic polyimide resin made of a tetracarboxylic dianhydride or derivatives thereof and a diamine or derivatives thereof, and wherein the coating layer has a tensile elongation in a tensile test (in compliance with JIS K7127, JIS K7127 specimen type 5, tensile rate 50 mm/min) is not less than 20% in an MD direction and a TD direction.

Packaging material for power storage device

A packaging material for a power storage device, the packaging material including, in order from a first surface of a metal foil, a first corrosion protection layer and a coating layer, and, in order from a second surface of the metal foil, a second corrosion protection layer, an adhesive layer, and a sealant layer. In the packaging material, the coating layer contains at least one selected from a group consisting of fluorine resins and amorphous polyester resins.

Packaging material for power storage device and power storage

A resin film, which is adapted for use in a packaging material for secondary cell having a sealant layer formed of a polyolefin resin and is disposed between the sealant layer and leads, respectively, connected to a positive electrode and a negative electrode, includes a first layer at a position close to the leads and a second layer disposed at a position close to the sealant layer, a heat quantity of the second layer, measured according to JIS K 7122, being larger than a heat quantity of fusion of the first layer.

Resin film, metal terminal member, and secondary cell

A secondary battery of the present invention includes a battery element that includes a positive electrode and a negative electrode, a plurality of metal terminals that are connected to the positive electrode and the negative electrode, the metal terminals each having an outer peripheral surface provided with a resin film, and includes a lamination of at least a metal foil layer and a heat-sealable resin layer made of a polyolefin resin. A first package sealed portion, a second package sealed portion and a film sealed portion are each formed by pressing and heat sealing so as to have a thickness smaller than that of the peripheral region. The film sealed portion has a specific heat of fusion measured according to JIS K 7122 greater than that of a portion of the resin film other than the film sealed portion.

Growing community of inventors

Tokyo, Japan

Yuki Muroi