Key Highlights
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A new “dual-effect pre-potassiation” technique significantly improves the stability and energy capacity of potassium-ion batteries, which are a promising low-cost alternative to lithium-ion. This breakthrough addresses the rapid capacity decay that has held back practical use, paving the way for more sustainable and affordable energy storage.
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Researchers have discovered why a common type of perovskite solar cell degrades under electrical stress, pinpointing the problem to chemical breakdown at tiny gaps in a key layer on the glass. Understanding this failure mechanism is a crucial step toward designing more durable and commercially viable next-generation solar panels.
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A new method using “groundwater and geothermal archetypes” has mapped the underground heat potential across Berlin, identifying specific areas best suited for installing ground-source heat pumps. This data-driven approach helps city planners efficiently tap into the earth’s stable temperature for renewable heating and cooling, reducing reliance on fossil fuels.
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