Ice Batteries: Why the Future of Buildings May Be Frozen at Night

The idea sounds deceptively simple: use ice, one of the oldest cooling tricks known to humanity, to help power the future. But this isn’t about tossing cubes into your drink—it’s about freezing entire buildings. Researchers at Texas A&M University are refining “ice batteries,” thermal storage systems that could transform how cities manage energy, shifting demand from peak hours to off-peak times. It’s a vision where skyscrapers and homes alike chill themselves overnight and ride through the hottest hours of the day without straining the grid.

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