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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 8956558 B1

PDFFull Text
Date of Patent:
Feb. 17, 2015

Filed:

Mar. 29, 2011

Paste composition for solar cell, method for producing same, and solar cell

Applicants:

Kosuke Ochi, Nagoya, JP;

Masao Yamagishi, Nagoya, JP;

Satoshi Tanaka, Osaka, JP;

Yoshihiro Ohishi, Osaka, JP;

Inventors:

Kosuke Ochi, Nagoya, JP;

Masao Yamagishi, Nagoya, JP;

Satoshi Tanaka, Osaka, JP;

Yoshihiro Ohishi, Osaka, JP;

Assignee:

Sharp Kabushiki Kaisha, Osaka-Shi, JP;

Attorney:

Oliff PLC

Primary Examiner:

Harold Pyon

Assistant Examiner:

Tanisha Diggs

Int. Cl.
CPC ...
H01B 1/00 (2006.01); H01B 1/02 (2006.01); H01B 1/12 (2006.01); H01B 1/22 (2006.01); H01B 1/08 (2006.01); H01B 1/04 (2006.01); H01B 1/06 (2006.01); H01M 6/04 (2006.01); H01L 31/00 (2006.01); H01L 31/0224 (2006.01); H01L 31/068 (2012.01); B82Y 30/00 (2011.01); H01L 31/18 (2006.01);
U.S. Cl.
CPC ...
H01L 31/022425 (2013.01); H01B 1/22 (2013.01); H01L 31/068 (2013.01); B82Y 30/00 (2013.01); H01L 31/18 (2013.01); Y10S 977/773 (2013.01); Y02E 10/547 (2013.01);
Abstract

A paste composition for forming a back surface electrode of a solar cellprovided by the present invention contains, as solid matter, an aluminum powder, a glass powder, and a composite powder composed of a granular composite material of titanium oxide and an organic or inorganic compound containing silicon. When the total amount of the composite powder, the aluminum powder, and the glass powder is 100% by mass, the composite powder is contained in a ratio of 0.45% by mass or more and 1% by mass or less.

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