中来股份：目前没有开展固态电池技术研究，公司有BC电池、钙钛矿晶硅叠层电池技术研发储备

Group 1 - The company currently does not conduct research on solid-state battery technology [2] - The company's main business is in the photovoltaic sector [2] - The company has research reserves for BC batteries and perovskite-silicon tandem battery technology [2]