It's not the electricity; this is the real reason why even the most modern batteries still short circuit.
In the race to find alternative energy sources to traditional lithium-ion batteries, solid-state batteries have always been seen as a great solution, promising enormous capacity and absolute safety. However, an obstacle known as "lithium dendrites" has prevented this technology from entering everyday life for decades
Recently, scientists at the Max Planck Institute (Germany) successfully deciphered this mystery. Instead of believing the old theory that electrical leakage caused battery failure, they discovered an interesting fact: it was actually mechanical pressure that was the "culprit."
Although lithium is a very soft metal, when it accumulates in microscopic spaces, it creates an enormous hydrostatic pressure. Dr. Yuwei Zhang likens this phenomenon to a high-pressure water jet that can cut through rock. This pressure is strong enough to crack the extremely hard ceramic electrolyte, creating a pathway for a short circuit to occur.
Solid-state batteries are the future of the energy industry.
Solid-state batteries are the future of the energy industry.
This discovery not only solves a perplexing scientific question but also opens the door to a future where the production of next-generation solid-state batteries is easier. By designing protective coatings or creating micro-voids to direct pressure, electric vehicle and smartphone manufacturers could soon bring to market batteries that charge faster, last longer, and, most importantly, never explode.
This is the final piece of the puzzle to make electric vehicles with a range of thousands of kilometers a reality in the near future.
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