Tongwei unveils 21.7%-efficient shingled solar panels for residential PV
Tongwei is offering six versions of its monofacial monocrystalline panels, with power outputs ranging from 400 W to 430 W and power conversion efficiencies between 20.1% and 21.7%.
A new front electrode structure for shingled PV panels
Researchers in Korea have proposed a new design for dividing and bonding which is said to provide higher efficiency from fewer fingers. The number of fingers optimized for division into five cells was 128 and for three, 171. Five offer power conversion efficiency of 17.346% and three 16.855%.
