Abstract
Lithium metal batteries (LMBs) using lithium metal as the anode is a promising technical route for the next battery. lithium metal anode delivers the highest energy density. Therefore, it has been extensively studied by scientists. Unfortunately, Li-metal anode is incapable to practical applications due to the dendritic propagation during the repeated charging/discharging process leading to short-circuit and severe safety issues. we loaded the fast Li-ions conductor LLZTO ceramic particles on the polysulfone (PSU) fiber. The LLZTO/PSU composite fiber membrane networks inherited both lithiophilic properties and strong rigidity from LLZTO particles, which could suppress the local electric field and exert influence of adjusting the distribution and deposition behavior of Li-ions while the improved mechanical properties against lithium dendrites. Therefore, the lithium metal anode with modified surface of composite fiber can effectively inhibit the formation of lithium dendrites with a prolong life-span.
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