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during the cycling. [5] During Li stripping (discharging), Li-ions at the Li/SE interface migrate to the cathode side, and consequently Li atoms inside the bulk move to the Li/SE interface to replenish the Li depletion. [6] Under the high current operation, the Li replenishing rate from the inside of bulk Li to Li/SE layer interface thorough the vacancy diffusion is slower than the rate that Li-ions migrate from the Li surface to the SE layer, which induces the formation of nonhomogeneous voids at the Li/SE interface. [7] These voids cause the contact loss between Li metal and SE layer, which deteriorates the interface resistance and increases the local current density, leading to the Li dendrite formation [8] in the SE layer and poor rate capability. [9] The interlayer between Li metal and SE layer has been widely explored to stabilize the interface and suppress Li dendrite formation. [10] Although these C