New 'smart layer' could enhance the durability and efficiency of solid-state batteries

Solid-state batteries are a promising technology for the future of energy storage. They offer higher energy density, faster charging times, and improved safety compared to traditional lithium-ion batteries. However, one of the challenges of solid-state batteries is their durability and efficiency over time.

Researchers at the University of Michigan have developed a new "smart layer" that could address this challenge. The smart layer is made of a material called lithium germanium phosphate (LGP), which is a solid electrolyte that can conduct ions between the battery's electrodes. The LGP layer is coated with a thin layer of graphene, which acts as a protective barrier against degradation and corrosion.

The researchers tested the smart layer in a solid-state battery and found that it improved the battery's performance and durability. The battery was able to maintain its capacity over 100 charge-discharge cycles, which is a significant improvement over previous solid-state batteries.

The smart layer also has the potential to improve the safety of solid-state batteries. The graphene coating can prevent the formation of dendrites, which are tiny metal fibers that can grow inside the battery and cause short circuits. Dendrites are a major safety concern for lithium-ion batteries, and the smart layer could help prevent them from forming in solid-state batteries.

The development of the smart layer is an important step forward for the commercialization of solid-state batteries. With improved durability and safety, solid-state batteries could become a viable alternative to traditional lithium-ion batteries in a wide range of applications, from electric vehicles to grid-scale energy storage.

Overall, the new smart layer developed by the University of Michigan researchers is a promising development for the future of energy storage. It could help overcome some of the challenges of solid-state batteries and pave the way for their widespread adoption.

https://www.lifetechnology.com/blogs/life-technology-technology-news/new-smart-layer-could-enhance-the-durability-and-efficiency-of-solid-state-batteries

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