Patent ID: 8338692

Claim:
An electrolyte for a photoelectric conversion element comprising an ionic liquid (A), and a carbon material (B) having a specific surface area of from 1,000 to 3,500 m 2 /g, and another carbon material (C) aside from the carbon material (B), wherein 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), the other carbon material (C) is at least one member selected from the group consisting of an acetylene black, a boron-modified acetylene black, a carbon material displaying a pH of from 2 to 6 as measured in accordance with pH measurement procedures stipulated in JIS Z8802 and a carbon black having a nitrogen specific surface area of not less than 90 m 2 /g, and a ratio of the carbon material (B) to the other carbon material (C) is from 99.9/0.1 to 60/40.