Lithium-ion batteries made from 100% solid state non-combustible ceramic

The new lithium-ion battery manufacturing process could enable battery manufacturers to create lighter, safer and more energy-intensive products.

The new fabrication technology will allow solid-state automotive lithium-ion batteries to use non-combustible ceramic electrolytes for the same manufacturing processes as batteries made from conventional liquid electrolytes.

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 molten solid electrolyte into porous bodies, including multilayer electrode-separator packages.

While the melting point of traditional solid-state electrolytes can range from 700 degrees Celsius to thousands, we operate in a much lower temperature range: depending on the electrolyte composition, from about 200 to 300 degrees. At these low temperatures, manufacturing is much faster and easier. Materials do not react at low temperatures. 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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Alexandr Ivanov earned his Licentiate Engineer in Systems and Computer Engineering from the Free International University of Moldova. Since 2013, Alexandr has been working as a freelance web programmer.
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Alexandr Ivanov

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