Key Highlights
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A new “overdischarge” strategy for potassium-ion batteries creates a more stable electrode material and a protective layer inside the battery during its first use. This breakthrough significantly improves the battery’s lifespan and how much energy it can store, paving the way for more sustainable and powerful energy storage.
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When households install solar panels, they often use more electricity because they perceive it as “free,” a behavior known as the solar rebound effect. Energy planners must account for this extra demand in their forecasts, and policies should encourage using power during sunny hours to keep electricity systems affordable and fair for everyone.
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A detailed study of a university campus in China found its underground geothermal heat could meet all heating and cooling needs for over 50 years, equivalent to burning 6.66 million tons of coal. This assessment provides a clear blueprint for efficiently tapping into Earth’s natural heat, offering a reliable and clean alternative to fossil fuels for temperature control.
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