Longi claims world record-breaking 34.6% efficiency for perovskite-silicon tandem solar cell (www.pv-magazine.com)
Solar modules deployed in France in 1992 still provide 75.9% of original output power (www.pv-magazine.com)
New solid state battery charges in minutes, lasts for thousands of cycles (www.pv-magazine.com)
Researchers from the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have developed a new lithium metal battery that can be charged and discharged at least 6,000 times — more than any other pouch battery cell — and can be recharged in a matter of minutes....
Solar modules deployed in France in 1992 still provide 79.5% of original output power (www.pv-magazine.com)
New testing conducted at France's oldest PV system have shown that its solar modules can still provide performance values in line with what the manufacturers promised.
