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 8222515 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 17, 2012

Filed:

Dec. 25, 2009
Applicants:

Yoshimasa Imazaki, Kanagawa, JP;

Tsukasa Maruyama, Kanagawa, JP;

Inventors:

Yoshimasa Imazaki, Kanagawa, JP;

Tsukasa Maruyama, Kanagawa, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/00 (2006.01); H01G 9/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

An object of the present invention is to provide an electrolyte for photoelectric conversion elements, and a photoelectric conversion element and a dye-sensitized solar cell using the electrolyte, wherein high energy conversion efficiency can be achieved while substantially not including iodine. The electrolyte for a photoelectric conversion element of the present invention includes an ionic liquid (A) and a carbon material (B). The carbon material (B) is a carbon material (B1) displaying a pH, measured by a pH measuring method specified in Japanese Industry Standard (JIS) Z8802, of from 2 to 6 and/or a boron-modified acetylene black (B2). A content of the carbon material (B) is from 10 to 50 parts by mass per 100 parts by mass of the ionic liquid (A).


Find Patent Forward Citations

Imazaki, Yoshimasa. (2012). Electrolyte for photoelectric conversion elements, and photoelectric conversion element and dye-sensitized solar cell using the electrolyte (U.S. Patent No. 8222515). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8222515

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