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Tag: Renewable Energy

New Discovery Could Improve Organic Solar Cell Performance

Image - In this image, an optically excited spin-singlet state (red), which features electron-hole pairs, splits into a pair of spin-triplet states (blue). The individual triplets have equal and opposite center-of-mass momenta – they behave like waves moving in opposite directions along a crystal. The gray and white spheres represent carbon and hydrogen atoms, respectively. (Credit: Florian Brown-Altvater/Berkeley Lab)

Fuel Cell X-Ray Study Details Effects of Temperature and Moisture on Performance

Image - An X-ray study revealed the size and distribution of tiny pockets of water in fibrous fuel-cell components at different temperatures. (Credit: Berkeley Lab)

Annual Wind Power Report Confirms Technology Advancements, Improved Project Performance, and Low Wind Energy Prices