Photovoltaic module

Abstract

A photovoltaic module capable of suppressing separation of a tab electrode can be obtained. The photovoltaic module includes a plurality of semiconductor layers including a photoelectric conversion layer, a plurality of photovoltaic elements including a finger electrode for collecting generated currents, formed on the semiconductor layers on a side of a light receiving surface, and a tab electrode for electrically connecting the plurality of photovoltaic elements, in which the tab electrode is electrically connected to the finger electrode in a region corresponding to a power generation region of the photovoltaic element and bonded on the light receiving surface through an insulating bonding material.

1 - 18 . (canceled) 
     
     
         19 . A photovoltaic module comprising:
 a plurality of photovoltaic elements each including a semiconductor layer including a photoelectric conversion layer and a finger electrode for collecting generated currents, formed on said semiconductor layer on a side of a light receiving surface; and   a tab electrode electrically connected to said finger electrode for electrically connecting adjacent said photovoltaic elements, wherein   said finger electrode has a divided region in a region in which said tab electrode is arranged so as not to cross said region in which said tab electrode is arranged.   
     
     
         20 . The photovoltaic module according to  claim 19 , wherein
 said tab electrode is bonded onto said light receiving surface through an insulating bonding material in said divided region of said finger electrode.   
     
     
         21 . The photovoltaic module according to  claim 19 , wherein
 a plurality of said finger electrodes are so formed as to be spaced from each other at a prescribed interval in a direction intersecting with said tab electrode.   
     
     
         22 . The photovoltaic module according to  claim 19 , wherein
 said finger electrode is divided into three by two said tab electrodes.   
     
     
         23 . The photovoltaic module according to  claim 22 , wherein
 a width of each of said tab electrodes is narrower than a width of said finger electrode divided by said tab electrodes.   
     
     
         24 . The photovoltaic module according to  claim 19 , wherein
 said tab electrode is bonded onto said semiconductor layer through a bonding material.   
     
     
         25 . The photovoltaic module according to  claim 19 , wherein
 said photovoltaic elements each further include a translucent conductive film formed on said semiconductor layer, and   said tab electrode is bonded onto said translucent conductive film through a bonding material.   
     
     
         26 . The photovoltaic module according to  claim 19 , wherein
 said tab electrode is electrically connected to said finger electrode through a solder material.   
     
     
         27 . A photovoltaic module comprising:
 a plurality of photovoltaic elements each including a plurality of semiconductor layers including a photoelectric conversion layer and a finger electrode for collecting generated currents, formed on said semiconductor layer on a side of a light receiving surface; and   a tab electrode for electrically connecting said plurality of photovoltaic elements, wherein   a plurality of said finger electrodes are divided into groups each including a prescribed number of said finger electrodes, and   said prescribed number of said finger electrodes included in the same group in said groups are aggregated into one finger electrode of said prescribed number of said finger electrodes and electrically connect to said tab electrode.   
     
     
         28 . The photovoltaic module according to  claim 27 , wherein
 said groups consist of a plurality of groups.   
     
     
         29 . The photovoltaic module according to  claim 28 , wherein
 said tab electrode is electrically connected to said finger electrode through a solder material.   
     
     
         30 . The photovoltaic module according to  claim 28 , wherein
 said finger electrodes are so formed as to extend in a first direction and be spaced from each other at a prescribed interval in a second direction intersecting with said first direction,   said tab electrode is so arranged as to extend in said second direction, and   a width in second direction of said finger electrode located in the region in which said prescribed number of said finger electrodes are aggregated into one finger electrode is substantially identical with a width in second direction of said finger electrode located in the region in which said prescribed number of said finger electrodes are not aggregated into one finger electrode.