All-solid-state electrochromic devices based on the ultra-thin Li3PO4 electrolyte
Abstract
We report the first use of an ultrathin Li3PO4 electrolyte (~12 nm) in all-solid-state electrochromic devices. Its superior electronblocking and short ion transport path enable large optical modulation (69.5%), fast coloration/bleaching times (9.7/2.5 s), and excellent cycling stability—offering a promising route to address key challenges in electrolyte design.
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