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Feb 14, 2023

The new study shows that lithium metal batteries can be charged within one hour

In a new study, researchers said that fast -charging lithium metal batteries can be charged as soon as one hour.

 

This is due to lithium metal crystals because it can form and grow quickly and evenly on the unique surface. The trick is to use the crystal growth surface that does not "like" lithium. What is interested in battery researchers is that "these seed crystals grow evenly dense lithium metal layers" can reduce branch crystals. The branches formed on the negative electrode of the battery are long -term obstacles that affect the development of fast -charged ultra -energy density lithium metal batteries.

 

The study was responsible for researchers at the University of California California San Diego. This new method allows lithium metal batteries to complete charging within about an hour, which is comparable to the current lithium ion battery.

 

In order to grow lithium metal crystals, researchers used lithium fluoride and iron -made lithium nano -composite materials to replace the bronze surface widespread on the negative electrodes of lithium metal batteries. The lithium sedimentation is used to use this lithium surface to form lithium crystal seeds and grow dense lithium layers, even at a high charging rate. As a result, long -cycle life lithium metal batteries that can be quickly charged.

This new progress may promote the widespread application of energy -intensive lithium metal batteries. This battery has a high charge density and has huge potential in electric vehicles and portable electronic products. However, in order to maintain battery performance and avoid safety problems, the formation of lithium branches is fully reduced, and the current charging speed of lithium metal batteries is extremely slow.

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