Key Highlights
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A new type of high-temperature fuel cell membrane can now operate efficiently at much lower temperatures, down to 120°C. This breakthrough, using a specially designed polymer, prevents the key component (phosphoric acid) from leaking out, leading to more stable and durable fuel cells that are easier to manage.
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Scientists have developed a simple, low-cost method to supercharge thermocells, devices that turn waste heat into electricity. By using a technique called “antisolvent engineering,” they significantly boosted the power output, making this a more practical way to harvest energy from low-grade heat sources like industrial processes.
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A universal strategy has been found to improve the core material (solid electrolyte) in next-generation all-solid-state batteries. Adding oxygen into the crystal structure in a controlled way makes ions move faster, boosts conductivity by up to 2.7 times, and even makes the material more stable in air.
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Researchers have created a more efficient membrane for generating power from the difference in salt concentration between river water and seawater (osmotic power). Coating tiny pores with a lipid bilayer creates a super-slippery surface for ions, which enhances electricity generation from this abundant renewable source.
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A study of the Tengchong region in China reveals that both volcanic activity and the local tectonic landscape are the primary drivers for its geothermal resources. Understanding this link between surface geology and underground heat is crucial for effectively locating and developing new geothermal energy sites.
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