A solid-state battery has many technical challenges. Researchers at MIT say they have solved one of those hurdles.
has a lower risk of thermal runaway . It also has a higher energy density, can charge and discharge more rapidly, performs better in cold temperatures, and lasts longer. So why isn’t everyone using them to power their battery electric vehicles?
A team of researchers at MIT and Brookhaven National Laboratory has come up with a way of achieving results that equal or surpass the durability of coated surfaces without the need for coatings. The key is to eliminate any trace of carbon dioxide during a critical step in the manufacturing process known as sintering.
The conductivity dilemma has been effectively tackled and reasonably high-conductivity materials have already been demonstrated, according to Yildiz. But overcoming the instabilities that arise at the interface has been far more challenging. These instabilities can occur during both the manufacturing and the electrochemical operation of such batteries, but for now the researchers have focused on the manufacturing, and specifically the sintering process.
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