A team of engineers at China's LONGi Central R&D Institute, working with colleagues from Shenzhen Campus of Sun Yat-sen University, reports that its heterojunction back contact (HBC) solar cell ...

Silicon heterojunction back contact solar cells by laser patterning Silicon heterojunction back contact solar cells by laser patterning. Journal: Nature Published: 2024-10-01 DOI: ...

It claimed the world’s highest efficiency for silicon cells in November 2022, with a 26.81% efficiency rating for an unspecified heterojunction solar cell. This content is protected by copyright ...

LONGi and the School of Materials at Sun Yat-sen have developed HJT back contact solar cells with a power conversion efficiency of 27.09%.

Laser-assisted firing enables a significant reduction in the metal-silicon contact fraction under the screen-printed regions, which are already less than 5% of the solar cell, with the other 95% ...

MUNICH, May 11, 2025 /PRNewswire/ -- On May 7, 2025, LONGi, a global leader in solar technology, launched a premium back contact module EcoLife series based on heterojunction (HBC) at Intersolar ...