German and Spanish researchers developed a solvent-free 10-minute vacuum process that produces perovskite-silicon tandem solar cells at 24.3% efficiency, offering a scalable path to lower-cost solar manufacturing.
Engineers create powerful battery ‘fuel’ that stores energy even in low sun, wind | The team created a novel electrolyte, an acetamide and ε-caprolactam solvent, to aid in the battery’s energy storage and release.