[16a-K308-1~9] 16.3 Bulk, thin-film and other silicon-based solar cells

9:00 AM - 9:15 AM JST(12:00 AM - 12:15 AM UTC)

[16a-K308-1] Thin strip c-Si solar cells for BIPV applications

〇Hitoshi Sai¹, Takuya Matsui¹ (1.AIST)

Keywords:

silicon solar cells,trunslucent,BIPV

To promote the widespread adoption of renewable energy, building-integrated photovoltaic (BIPV) systems, are gaining attention. BIPV systems, which are expected to have a lifetime comparable to building materials, often use crystalline silicon (c-Si) cells due to their reliability. One method to obtain translucent modules suitable for window materials while using opaque c-Si cells is to arrange elongated, strip-shaped cells at regular intervals [1,2]. While this method can produce highly reliable translucent modules, it has the drawback of significantly reducing power conversion efficiency compared to before cutting, due to the formation of numerous defects at the edges of the elongated c-Si cells, acting as recombination centers. In this report, we examine methods to improve the efficiency of strip-shaped c-Si cells with the aim of applying them to translucent BIPV.