| 摘要 |
PROBLEM TO BE SOLVED: To provide a solar cell which reduces the manufacturing cost and the manufacturing time.SOLUTION: A solar cell comprises: a substrate 110 having a first conductive type; an emitter part 121 positioned on the substrate 110 and having a second conductive type that is opposite to the first conductive type; a reflection prevention part 130 positioned on the emitter part 121 and including a first opening 181 exposing the emitter part 121 and multiple second openings 182 exposing the emitter part 121 and separated from each other; a first electrode 141 positioned on a first portion 12a of the emitter part 121 exposed through the first opening 181 and connected with the first portion 12a of the emitter part 121; a first bus bar 142 positioned on a second portion 12b of the emitter part 121 exposed through the multiple second opening parts 182 and connecting the second portion 12b of the emitter part 121 with the first electrode 141; and a second electrode 151 positioned on the substrate 110 and connected with the substrate 110. |
