Researchers have solved a decades-old puzzle with tin-based flow batteries, finally tapping into the metal's full potential to store and release energy. By redesigning the electrolyte, scientists unlocked tin's ability to exchange four electrons instead of just two—effectively doubling the charge capacity that was previously going unused.

This breakthrough matters because flow batteries are emerging as a critical technology for storing renewable energy at grid scale, smoothing out the intermittent nature of solar and wind power. More efficient storage means cleaner, more reliable electricity for homes and businesses worldwide. Read the full story →

Today's takeaway: Smarter battery chemistry could accelerate the world's transition to renewable energy.