Dai Nippon Printing Co., Ltd.

Ryo Fujiwara

Keisuke Nomura

Hiroyuki Kobori

Shingo Komura

Hidenobu Watanabe

Naohiro Obonai

Miho Sasaki

Makoto Amano

Satoshi Mitsuzuka

Masahiro Imai

An all-solid-state battery contained in an exterior material having a barrier layer in which deterioration is effectively suppressed even when the all-solid-state battery is constrained in a high-pressure state. The all-solid-state battery has a battery element contained in a package formed of an exterior material, the battery element includes at least a unit cell including: a positive electrode active material layer; a negative electrode active material layer; and a solid electrolyte layer laminated between the positive electrode active material layer and the negative electrode active material layer, wherein the exterior material is composed of a laminate having, in the following order: at least a barrier layer; a barrier layer protection film formed on the surface of the barrier layer; and a heat-fusible resin layer.

All-solid-state battery and method for manufacturing same

A power storage device packaging material has good flexibility, and has electrolytic solution resistance. A power storage device packaging material in which a plurality of films are laminated, the packaging material including a heat-sealable resin layer, a gas barrier film layer laminated and disposed on one surface of the heat-sealable resin layer, and a plurality of adhesive layers, wherein the gas barrier film layer includes a resin base material and a gas barrier film disposed on one surface or both surfaces of the resin base material, and of the plurality of adhesive layers, at least an adhesive layer disposed between the heat-sealable resin layer and the gas barrier film layer has electrolytic solution resistance.

Power storage device packaging material, method for producing power storage device packaging material, and power storage device

An object of the present invention is to provide a dye-sensitized solar cell having a solid electrolyte layer and improved durability or photoelectric conversion efficiency. A dye-sensitized solar cell, which comprises: a conductive base material; a porous semiconductor layerformed on the conductive base materialhaving a porous surface carrying a sensitized dye; a counter electrode, which is disposed so as to face the porous semiconductor layer; and an electrolyte layercomprising potassium iodide and a thermoplastic cellulose resin, which is formed between the conductive base materialand the counter electrode

Dye-sensitized solar cell, dye-sensitized solar cell module, and coating liquid for forming electrolyte layer

A dye-sensitized solar cell includes a base material that functions as an electrode, has flexibility, and has a porous layer, containing a dye-sensitizer-supported fine particle of a metal oxide semiconductor on one surface thereof. A counter electrode base material is arranged to oppose the base material for dye sensitized solar cell, functions as an electrode, and has flexibility. A solid electrolyte layer is provided between the base material for dye-sensitized solar cell and the counter electrode base material and contacts the porous layer. Among the base materials, at least one has transparency; and at least one has an insulating layer provided on a surface thereof. The insulating layer is provided in a region a region where the porous layer is formed, and where the base materials are opposed to each other. The insulating layer has an external communication portion that leads from an inside of the porous layer-forming region to outside.

Dye-sensitized solar cell

An object of the present invention is to provide a dye-sensitized solar cell comprising a solid electrolyte and having excellent thermostability, which has the excellent feature of retaining liquid so as to prevent an electrolyte solution from being exuded even under high temperature or pressurized conditions, and a dye-sensitized solar cell module using the same. Such dye-sensitized solar cell comprises: an electrode base material; a porous semiconductor layerformed on the electrode base materialhaving a porous surface carrying a sensitized dye; a counter electrode, which is disposed so as to face the porous semiconductor layer; and an electrolyte layercomprising a redox pair and cationic cellulose or a derivative thereof, which is formed between the electrode base materialand the counter electrode

An electrode plate for a non-aqueous electrolyte secondary battery comprises a current collector, and an electrode active material layer formed on at least part of the surface of the current collector. The electrode active material layer contains a particulate electrode active material and a binding material. The binding material is made of an amorphous metal oxide that does not cause alkaline metal ion intercalation and deintercalation reactions.

Electrode plate for non-aqueous electrolyte secondary battery, method for producing the same, and non-aqueous electrolyte secondary battery

A non-aqueous electrolyte secondary battery comprises a current collector, and an electrode active material layer formed on at least part of the surface of the current collector. The electrode active material layer contains a particulate electrode active material and a binding material. The binding material is made of a crystalline metal oxide that does not cause alkaline metal ion intercalation and deintercalation reactions.

An electrode plate for a non-aqueous electrolyte secondary battery includes a current collector, and an electrode active material layer formed on at least part of the surface of the current collector. The electrode active material layer contains a particulate electrode active material, a binding material, and carbonic matter distinct from conductive materials. The binding material is a crystalline metal oxide that does not cause alkaline metal ion intercalation and deintercalation reactions.

An electrode plate for a non-aqueous electrolyte secondary battery includes a current collector, and an electrode active material layer formed on at least part of the surface of the current collector. The electrode active material layer contains a particulate electrode active material, a binding material, and carbonic matter distinct from conductive materials. The binding material is a amourphous metal oxide that does not cause alkaline metal ion intercalation and deintercalation reactions.

Growing community of inventors

Yokohama, Japan

Ryo Fujiwara