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Looking through X-ray glasses: HZDR-Team decodes aging processes in sodium-zinc molten salt batteries - Helmholtz-Zentrum Dresden-Rossendorf, HZDR

Summary by hzdr.de
Up to now, it has only been possible to deduce indirectly why high-temperature batteries lose efficiency and durability while in use. For the first time, a team from the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) has now used so-called operando X-ray radiography to look directly into a sodium-zinc molten salt battery at approximately 600 degrees Celsius. The images reveal previously hidden processes and show that, under real operating conditions
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The technology based on sodium and zinc is considered promising for stationary battery storage, but has not been stable enough so far.A research team has now decoded the aging process.A research team of the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) with the help of so-called operaando X-ray radiography – i.e. by creating recordings in ongoing operation – has been able to observe for the first time previously hidden aging processes of sodium-zi…

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hzdr.de broke the news in on Monday, February 16, 2026.
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