Abstract
In this work, a novel flexible separator-based waste ZrO2 fibers was fabricated via wet net forming technology for aqueous zinc-ion batteries (AZIBs) to replace commercial glass fibers (GF) separators. ZrO2 separator shows ultra-high wettability and heat resistance. The button cell composed of zinc sheet anode, ammonium vanadate cathode, and ZrO2 separators possesses a high specific capacity of 390 mAh·g−1 at a current density 0.15 A·g−1 and outstanding long-term durability of 102 mAh·g−1 after 500 cycles at 5 A·g−1, higher than GF separator at the same condition. Therefore, this work provides a novel perspective for replacing commercial GF separators.
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