ELECTROLYTE COMPOSITION AND DYE-SENSITIZED SOLAR CELL

WIPO Patent Application WO/2011/125436

A1

An electrolyte composition is provided with which it is possible to provide a dye-sensitized solar cell that has excellent photoelectric conversion characteristics and suffers little electrolyte leakage and little deterioration in characteristics which accompanies the leakage with the lapse of time and that has a higher short-circuit current density and a high energy conversion efficiency. The electrolyte composition is characterized by comprising a polymer (A) comprising repeating units represented by formula (1), a combination (B) of iodine and an iodine compound or of bromine and a bromine compound, and an organic solvent. (In formula (1), R1 is a hydrogen atom or methyl; X is a single bond or a divalent linking group; and R2 is a group selected from among formulae (II) to (IV). In formulae (II) to (IV), R3 is a hydrogen atom or a C1-4 alkyl; Ys may be the same or different and each is an oxygen atom or a sulfur atom; a is 0 or 1; b is an integer of 1-3; and * indicates a bond.)

OKAZAKI MASAHIRO (JP)
HASEGAWA KOICHI (JP)
YASUDA KYOYU (JP)

PCT/JP2011/056172

October 13, 2011

March 16, 2011

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JSR CORP (JP)
OKAZAKI MASAHIRO (JP)
HASEGAWA KOICHI (JP)
YASUDA KYOYU (JP)

H01M14/00; H01B1/06; H01L31/04

JP2007165150A	2007-06-28
JP2004296373A	2004-10-21
JP2005310445A	2005-11-04
JP2000251532A	2000-09-14
JPH03177410A	1991-08-01

SSINPAT PATENT FIRM (JP)
Patent business corporation SSINPAT (JP)

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