The premise is:
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We're gonna have million-mile batteries soon
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They won't necessarily be Li-Ion.
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Researchers at the Samsung Advanced Institute of Technology (SAIT) and the Samsung R&D Institute Japan (SRJ) decided to remove the lithium metal anodes used in solid-state batteries and replace them with a thin silver-carbon layer. It’s those lithium-metal anodes that cause issues with the batteries. They grow dendrites (tiny crystal spikes) that bore through the electrolyte and cause a short circuit during charging. Hence the low life expectancy of a solid-state battery.
The researchers say that using silver-carbon instead of lithium metal in a prototype pouch yields a battery with a higher capacity, lengthens the cycle life, and makes the battery safer. The layer of silver-carbon measures only five micrometers thick, but if it can accomplish in the real world what the Samsung team pulled off in the lab, it could substantively change EVs in the future.
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http://www.caranddriver.com/news/a31...tery-revealed/
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