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Belgium develops new solid-state lithium battery Apr 24, 2018

British media said that the Belgian Interschool Microelectronics Center has developed an innovative solid-state lithium-ion battery that reaches an energy density of 200 watt-hours per liter in two hours.

According to a report from the British Science News website on April 10, the InterSchool Microelectronics Center is the world's leading research and innovation center for nanoelectronics, energy and digital technology, and a partner of EnergyVille, a research institute.

According to the report, the battery represents a milestone in our development blueprint and will surpass the liquid-state lithium-ion battery and reach the level of 1000 watt-hour per liter by 2024. Following such a clear line of performance improvement, the battery technology of the InterSchool Microelectronics Center will become a competitor in the future fast-charging long-distance electric vehicle battery industry.

The future of mobility is largely electric, driven by fast-charging, safe, and compact batteries. Researchers at the Interschool Microelectronics Center are developing next-generation batteries that use solid electrolytes instead of liquid electrolytes to increase the battery's energy density.

Recently, the inter-school Microelectronics Center developed a solid-state nanocomposite electrolyte that is particularly conductive, up to 10 millisiemens per centimeter, and is expected to increase further in the future. Interschool Microelectronics Center has used this new electrolyte to create a battery prototype. The battery prototype has an energy density of 200 watt-per-liter and a charging rate of two hours.

Philip Villekin, chief scientist and project manager of the Interschool Microelectronics Center, said: “Our results show that we can produce solid-state batteries that are expected to achieve the capacity of liquid electrolyte batteries. The manufacturing process is similar to the former, but it is different from liquid electrolyte batteries. Our solid-state batteries are compatible with lithium metal anodes, with a target of 0.5 hours per 1000-watt-per-liter, plus long life and high safety performance, so that this compact battery technology has broad prospects and can be applied to future remote electric vehicles. ."

The report said that in order to further improve battery performance, the InterSchool Microelectronics Center is studying the integration of nanoparticle electrodes with nanocomposite electrolytes. The InterSchool Microelectronics Center uses an ultra-thin coating as a buffer layer to control the interaction between the active electrode and the electrolyte.