The new fabrication technology will allow solid-state automotive lithium-ion batteries to use
The melt infiltration technology developed by the researchers uses electrolyte materials that can be infiltrated into porous but densely spaced and heat-resistant electrodes.
The one-stage process for obtaining high-density composites is based on non-pressure capillary infiltration of a molten solid electrolyte into porous bodies.
While the melting point of traditionalSolid state electrolytes can vary from 700 degrees Celsius to thousands, we work in a much lower temperature range: depending on the composition of the electrolyte, from about 200 to 300 degrees. At these low temperatures, manufacturing is much faster and easier. Standard electrode assemblies, including polymer binder or adhesive, can be stable under these conditions.
Gleb Yushin, Professor at the School of Materials Science and Engineering at Georgia Tech
The new technology could make large automotive lithium-ion batteries safer and more 100% solid-state non-flammable ceramics than liquid electrolytes.
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