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Patent Searching and Data


Title:
SOLAR CELL, SOLAR CELL STRING AND SOLAR CELL MODULE
Document Type and Number:
Japanese Patent JP2007173288
Kind Code:
A
Abstract:

To provide a solar cell wherein warpage caused in the solar cell constituting a solar cell string can be reduced, and to provide a solar cell string and a solar cell module.

A first bus bar electrode on a first main plane of a semiconductor substrate, and a second bus bar electrode on a second main plane of the semiconductor substrate, are arranged at nearly symmetrical positions to each other against the semiconductor substrate; and the length of a first nonconnection section among adjoining first connection sections is larger than that of a second nonconnection section among adjoining second connection sections. In addition, the length of a second nonconnection section among adjoining second connection sections is larger than that of a first nonconnection section among adjoining first connection sections. The solar cell, solar string and solar cell module have such the structure.


Inventors:
TAKAGI AKIHIDE
NAKAMURA KYOTARO
MIYAZAWA AKIRA
HIOKI MASAOMI
OSA MASAHIRO
Application Number:
JP2005364690A
Publication Date:
July 05, 2007
Filing Date:
December 19, 2005
Export Citation:
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Assignee:
SHARP KK
International Classes:
H01L31/04; H01L31/042
Attorney, Agent or Firm:
Kuro Fukami
Toshio Morita
Yoshihei Nakamura
Yutaka Horii
Hisato Noda
Masayuki Sakai