A couple of companies have highlighted wet chemical texturing processes for PERC cells that avoids using isopropyl alcohol (IPA) that is intended to offer a low-cost alternative for high-efficiency solar cells at EU PVSEC.
Energy storage may not be cost effective in Germany in helping the transition to a higher grid penetration of renewable energy until that penetration level reaches as high as 90%, according to a leading think tank.
Researchers at the Centre for Solar Energy and Hydrogen Research (ZSW) in Stuttgart have achieved a 21.7% conversion rate in a CIGS thin-film cell, a new record.