| 摘要 |
An integrated thin-film solar battery, comprising:
a string that includes a plurality of thin-film photoelectric conversion elements formed on a transparent insulating substrate and electrically connected in series to each other; and
one or more power collecting electrodes electrically jointed to the string, wherein
the thin-film photoelectric conversion elements have a first transparent electrode layer laminated on the transparent insulating substrate, a photoelectric conversion layer laminated on the first electrode layer, and a second electrode layer laminated on the photoelectric conversion layer,
the power collecting electrode is electrically jointed onto the second electrode layer of any thin-film photoelectric conversion element in the string,
the string has an element separating groove formed by removing the second electrode layer and the photoelectric conversion layer between the adjacent two thin-film photoelectric elements,
the first electrode layer of one thin-film photoelectric conversion element has an extending section whose one end crosses the element separating groove and that extends to a region of another adjacent thin-film photoelectric conversion element, and is electrically insulated from the first electrode layer of the adjacent thin-film photoelectric conversion element by one or more electrode separating line,
the second electrode layer of the one thin-film photoelectric conversion element is electrically connected to the extending section of the first electrode layer of the adjacent thin-film photoelectric conversion element via a conductive section passing through the photoelectric conversion layer,
in the thin-film photoelectric conversion elements jointed to the power collecting electrodes, at least a portion of the first electrode layer just below the power collecting electrodes and the other portion are insulated and separated from each other by at least one of the electrode separating line and the insulating line. |
