<p>The prevent invention provides a solar cell capable of maximizing efficiency. The solar cell according to the embodiment of the present invention includes a photoelectric conversion unit and first and second electrodes which are connected to the photoelectric conversion unit. The first electrode or the second electrode includes a plurality of finger electrodes and at least one bus bar electrode which is formed across the finger electrodes. The bus bar electrode includes a main bus bar and an auxiliary bus bar which is formed near the main bus bar with a separation space. The width of the separation space is equal to or smaller than the pitch of the finger electrodes.</p>
