Solar cell and composition used for manufacturing solar cell

摘要

A paste-like composition for a solar cell provided by the present invention contains a mixed aluminum powder prepared by mixing a small particle diameter aluminum powder, which has a D50 of particle size distribution based on laser diffraction of 3 mum or less and a ratio of D10 to D90 (D10/D90) of 0.2 or more, and a large particle diameter aluminum powder, which has a D50 that is 2 to 6 times the D50 of the small particle diameter aluminum powder and a ratio of D10/D90 of 0.2 or more.