Mitsui High-Tec Incorporated

Keisuke Kimoto

Atsushi Fukui

Migaku Ishida

A solar battery having a board with a surface with a plurality of spherical segments projecting from the board surface. A primary electrode layer is provided on the board surface and the plurality of spherical segments. A semiconductor layer is provided on the primary electrode layer and has P-N connecting members. A secondary electrode layer on the semiconductor layer is made up of a translucent material.

Solar battery and method of treating a board for a solar battery

A method of forming a solar battery assembly. The method includes the steps of: providing a plurality of spherically-shaped cells, each having a semiconductor layer and an outer electrode layer; forming a solder layer between the plurality of spherically-shaped cells so as to maintain the plurality of spherically-shaped cells in a desired relationship; removing a part of the outer electrode layer to expose a part of the semiconductor layer; and placing an inner electrode in contact with the exposed part of the semiconductor layer.

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Kitakyushu, Japan

Keisuke Kimoto