Researchers led by Professor Jacek jasieniak of arc exciton Science Center in Australia and Monash University have created a new generation of perovskite solar cells that allow light to pass through and generate electricity at the same time, according to foreign media "nanoenergy" magazine.

The novel coronavirus pneumonia epidemic will be the first annual reduction in 20 years this year, but the next year's value-added growth rate will accelerate, the IEA said on Wednesday.

According to the website of the national development and Reform Commission, the national development and Reform Commission and the State Energy Administration recently jointly issued the notice on the responsibility weight of renewable energy power consumption in 2020 in all provincial administrative regions (hereinafter referred to as the notice).