Sumitomo Electric Industries, Limited

Panasonic Corporation

Matsushita Electric Industrial Co., Ltd.

Makoto Inagaki

Takashi Iwasaki

Youichi Nagai

Kenji Saito

Yoshiyuki Matsunaga

Yoshiya Abiko

Kazumasa Toya

Rui Mikami

Koji Mori

Yoshiki Kuhara

Masayuki Masuyama

Takashi Fujioka

Mikiya Uchida

Kazushi Iyatani

Hiroshi Toya

Akihiko Kojima

Tomohiro Nemoto

Kunihiko Hara

Ryusuke Imai

Takeshi Sowa

Masanori Kyougoku

This photovoltaic module includes: a power generating element configured to receive sunlight to generate power; and a housing which is closed, the housing having: a concentrating portion provided with a lens configured to concentrate sunlight; a bottom portion in which the power generating element is disposed; and a side wall serving as an outer frame for the bottom portion and supporting the concentrating portion. The side wall is a resin molded body including a resin and glass fibers dispersed in the resin, the resin is one of PET (Polyethylene terephthalate), PBT (Polybutylene Terephthalate), and PP (Polypropylene), and the glass fibers are orientated, in the resin, along a crossing direction that crosses a direction of an optical axis of the lens.

Photovoltaic module, photovoltaic panel, and production method for photovoltaic module

A concentrator photovoltaic module includes: a concentrating portion configured by arranging a plurality of Fresnel lenses that concentrate sunlight; a plurality of power generating elements arranged at positions corresponding respectively to the plurality of Fresnel lenses; a plurality of ball lenses corresponding respectively to the plurality of power generating elements and guide the sunlight concentrated by the plurality of Fresnel lenses to the plurality of power generating elements; and a housing that contains the plurality of ball lenses and the plurality of power generating elements. The housing includes a resin frame body, and a metal bottom plate that is fixed to the frame body, and on the inner surface of which the plurality of ball lenses and the plurality of power generating elements are arranged. The groove portion for reducing thermal expansion of the inner surface side of the bottom plate is on the inner surface of the bottom plate.

Concentrator photovoltaic module, concentrator photovoltaic panel, and concentrator photovoltaic apparatus

Casing for a concentrator photovoltaic module

This photovoltaic module includes: a power generating element configured to receive light to generate power; and a housing which is closed, the housing having: a concentrating portion provided with a lens configured to concentrate sunlight; a bottom portion in which the power generating element is disposed; and a side wall serving as an outer frame for the bottom portion and supporting the concentrating portion. The side wall is formed from a resin and has at least one vent hole.

Photovoltaic module and photovoltaic panel

A concentrator photovoltaic module according to one embodiment of the present disclosure includes: a case; a substrate disposed on a bottom surface of the case and having a plurality of stacked wiring layers; and concentrator photovoltaic elements disposed on the substrate and connected to the wiring layers. The concentrator photovoltaic elements connected to different wiring layers are connected to each other in parallel. According to the concentrator photovoltaic module according to the one embodiment of the present disclosure, output voltage can be decreased.

Concentrator photovoltaic module, concentrator photovoltaic device, and hydrogen generating system

In a concentrator photovoltaic unit configured to guide sunlight concentrated by a primary concentrating portion to a power generating element by means of a secondary concentrating portion, the secondary concentrating portion includes: a secondary lens having a three-dimensional shape; and a cover portion being translucent and having a refractive index higher than that of air and lower than that of the secondary lens, the cover portion covering at least a surface on which the sunlight is incident in a surface of the secondary lens, in a thin film shape extending along the surface on which the sunlight is incident. By arranging a large number of the units, a concentrator photovoltaic module can be configured. By arranging a large number of the concentrator photovoltaic modules, a concentrator photovoltaic panel can be configured. By further providing a driving device for tracking the sun, a concentrator photovoltaic apparatus can be configured.

Concentrator photovoltaic unit, concentrator photovoltaic module, concentrator photovoltaic panel, and concentrator photovoltaic apparatus

Jig for attaching flexible printed wiring board

Provided is a photovoltaic apparatus including: a power generation part including a plurality of power generating elements each generating power in accordance with an amount of received light, the power generation part having a light receiving surface and a back surface positioned on an opposite side to the light receiving surface; a function part provided separately from the power generation part and configured to provide functions regarding the photovoltaic apparatus; and a position changeable part provided between the power generation part and the function part and capable of changing positions of the power generation part and the function part, wherein the back surface of the power generation part faces the function part face, and the position changeable part is capable of changing the positions of the power generation part and the function part while maintaining a state where the back surface of the power generation part faces the function part.

Photovoltaic apparatus

Casing for concentrator photovoltaic module

An enclosure for a concentrator photovoltaic device according to the present disclosure includes a side wall having an upper end, a lower end, an inner surface, and an outer surface, the side wall being composed of a resin, the side wall being provided with an air hole extending through the inner and outer surfaces of the side wall, the air hole being inclined from the inner surface of the side wall to the outer surface of the side wall in a direction from the upper end of the side wall toward the lower end of the side wall. According to the present disclosure, power generation efficiency of a photovoltaic module can be further increased, and the photovoltaic module can be suppressed from being decreased in performance due to entrance of undesired matters to inside of the case, such as dusts, water droplets, and foreign matters.

Enclosure for concentrator photovoltaic device and concentrator photovoltaic device using same

Flexible printed wiring board

Provided is a solar cell for which accurate mutual alignment between a condenser lens and a power generating element corresponding thereto can be performed. In a solar cell, a plurality of grid electrodeseach formed in a linear shape are arrayed on a light receiving surfacealong the width direction of the light receiving surface. The plurality of grid electrodesinclude a first center grid electrodeforming a cross portionexhibiting a center-specific geometry caused by electrodes crossing each other at the center of the light receiving surface

Solar cell, concentrator photovoltaic unit, concentrator photovoltaic module, and method for producing concentrator photovoltaic module

Flexible printed wiring board with device

Mutual alignment between a condenser lens and its power generating element can be performed easily and accurately. This method for producing a concentrator photovoltaic unit includes: a first step of emitting linear laser beams respectively toward incident positionson an incident surface; and a second step of performing positional adjustment between a Fresnel lensand a power generating element part, based on positional relationship between the power generating element partand beam images respectively formed by the linear laser beams at a time when the beam images and the power generating element partare seen along an optical axis S from the incident surfaceside of the Fresnel lens. Four incident positionsin the first step are set such that at least one pair of beam images, among the beam images respectively formed by the linear laser beams, cross each other at an optical axis point Sof the Fresnel lenswhen the power generating element partside is seen along the optical axis S from the incident surfaceside of the Fresnel lens

Method for producing concentrator photovoltaic unit, production apparatus used in the method, method for producing concentrator photovoltaic module, and production apparatus used in the method

Growing community of inventors

Osaka, Japan

Makoto Inagaki