Innovative solid-state fast-charging lithium batteries are battery technologies that use solid electrolytes to replace traditional liquid electrolytes and separators. This battery technology offers several significant advantages.

First, the solid electrolyte has high ionic conductivity, which means that the charging speed can be greatly improved, which is 6 times that of ordinary lithium-ion batteries, thus achieving faster charging. At the same time, the density and structure of the solid electrolyte allows more charged ions to gather together, further increasing battery capacity.

Secondly, the safety performance of solid-state batteries is also better. Because the solid electrolyte is not easy to leak, not easy to burn, not easy to explode, and does not produce side reactions at high temperatures, the safety performance of the battery is greatly improved. In addition, the use of solid electrolytes also allows batteries to be paired with lithium metal anodes, thereby providing higher energy density. At present, the energy density of solid-state batteries has exceeded 500Wh/kg, which is about twice that of liquid lithium-ion batteries.

In terms of cycle life, the solid electrolyte solves the problem of the solid electrolyte interface film formed by the liquid electrolyte during the charge and discharge process and the lithium dendrite phenomenon, which greatly improves the cycleability and service life of the lithium battery. Ideally, it can reach about 45,000 times. .

In addition, innovative solid-state fast-charging lithium batteries have also been optimized in material selection and structural design to reduce interface impedance, improve energy density and safety. For example, screening metal materials can achieve close contact, designing porous interface layers to reduce interface impedance, and optimizing the matching between electrode materials and electrolytes.

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