Fujikura Limited

Katsuhiro Doi

Kenichi Okada

Hiroshi Matsui

Hiroki Usui

The present invention is a dye-sensitized solar cell that has a pair of electrodes that oppose each other, a sealing section that joins the pair of electrodes, an electrolyte that fills a cell space that is surrounded by the pair of electrodes and the sealing section, wherein the sealing section has a resin sealing section that contains a resin, the resin sealing section has a changing-thickness section, the thickness of which increases or decreases as a distance from the electrolyte is increased and which has an inclined face, and the resin sealing section comes into contact, along the inclined face of the changing-thickness section, with an electrode of the pair of electrodes that opposes the inclined face.

Dye-sensitized solar cell

A dye-sensitized solar cell comprises a pair of electrodes that face each other; an electrolyte that is disposed between the pair of electrodes; and a sealing section that connects the pair of electrodes and is provided around the electrolyte. In the dye-sensitized solar cell, the sealing section comprises at least one corner section when the sealing section is viewed in planar view from the electrode side, and a first contact surface at the corner section with at least one of the pair of electrodes comprises a first curve line-containing surface containing a curved curve line on the electrolyte side.

Photoelectric conversion element

The present invention is an electronic device comprising a first substrate, a second substrate arranged opposite the first substrate, a sealed portion arranged between the first substrate and the second substrate, and a sealing portion that connects the first and the second substrate and is provided around the sealed portion, wherein at least a portion of the sealing portion following along the periphery of the sealed portion has outer resin sealing portions respectively fixed to the first substrate and the second substrate and an intermediate resin sealing portion arranged so as to be interposed by the outer resin sealing portions between the first substrate and the second substrate, the outer resin sealing portions and the intermediate resin sealing portion contain resin, and a melt flow rate or melting point of the intermediate resin sealing portion differs from a melt flow rate or melting point of the outer resin sealing portions.

Electronic device and manufacturing method for same

A dye-sensitized solar cell includes a first electrode; a second electrode that faces the first electrode; an electrolyte that is disposed between the first electrode and the second electrode; and an annular encapsulation unit that surrounds the electrolyte together with the first electrode and the second electrode, and connects the first electrode and the second electrode. In the dye-sensitized solar cell, the sealing portion has a resin sealing section formed of a resin. At least one interface of a first interface between the first electrode and the sealing portion, and a second interface between the second electrode and the sealing portion, constitutes a wide width section having the broadest sealing width among the sealing widths of the sealing portion, and the sealing portion has a narrow width section having a narrower sealing width than the wide width section.

Dye-sensitized solar cell and method for manufacturing same

The present invention provides a photoelectric conversion device in which changes in photoelectric conversion efficiency with time can be inhibited. The photoelectric conversion device according to the present invention includes: a pair of electrodes; an electrolytic solution disposed between the pair of electrodes; and a sealing portion that links the pair of electrodes and is provided around the electrolytic solution. At least part of the sealing portion includes at least one inorganic sealing portion constituted by an inorganic material and at least one resin sealing portion constituted by a material including a resin. The inorganic sealing portion and the resin sealing portion are disposed along a direction connecting the pair of electrodes.

Photoelectric conversion device

A dye-sensitized solar cell manufacturing method of the invention comprises the steps of: preparing a first electrode having an oxide semiconductor layer and a second electrode; forming a first sealing portion by melting and bonding a thermoplastic resin at a first annular section of the first electrode; forming a second sealing portion by melting and bonding a thermoplastic resin at a second annular section of the second electrode; loading a photosensitive dye on the oxide semiconductor layer; forming an electrolyte layer by arranging an electrolyte on the first electrode within the first sealing portion; and forming a sealing portion through bonding the first and second sealing portions, wherein the electrolyte layer is formed after forming the first sealing portion; the sealing portion is formed after loading the dye and forming the electrolyte layer; and the sealing portion is formed through melting the first and second sealing portions, applying pressure.

Dye-sensitized solar cell manufacturing method

The present invention is a sealing laminated sheet for an electronic device in which a first sheet and a second sheetare laminated, wherein the first sheet contains an acid-modified polyolefin-based thermoplastic resin, the second sheethas a melting point higher than that of the first sheet, and a peel strength at 25&#xb0; C. of the second sheetrelative to the first sheet is 0.5 to 10.0 N/15 mm. According to the present invention, the production yield of an electronic device can be improved.

Growing community of inventors

Chiba, Japan

Katsuhiro Doi