Abstract
Aqueous Zn ion batteries (ZIBs) are promising systems due to their intrinsic safety, low cost and non-toxicity, and the Zn corrosion and dendrite growth will cause the poor reversibility of Zn anode. Herein, we developed the porous Zn@C solid, hollow and yolk-shell microspheres film as Zn anode antifluctuator (ZAAF). The prepared yolk-shell microspheres (ZCYSM) film with superior buffering can effectively restrict the deposition of Zn metal in its interior and inhibit the volume expansion during plating/stripping process, thus modulating the Zn2+ flux and enabling stable Zn cycling. As a proof of concept, the ZCYSM@Zn symmetric cells achieve the excellent cyclic stability over 4,000h and cumulative plated capacity of 4 Ah cm-2 at a high current density of 10mA cm-2 . Concomitantly, the suppressed corrosion reactions and dendrite-free ZAAF significantly improve the durability of full cells (coupled to CaV6 O16 ·3H2 O). Additionally, we integrate durable pouch cell and electrochemical neuromorphic inorganic device (ENIDe) to simulate neural network, providing a strategy for extreme interconnectivity comparable to the human brain. This article is protected by copyright. All rights reserved.
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