3D-Printed Multi-Channel Metal Lattices Enabling Localized Electric-Field Redistribution for Dendrite-Free Aqueous Zn Ion Batteries

TL;DR: In this paper , three strategies for modified Zn anodes are carefully discussed (including surface modification, structure design, and alloying anode), and the conclusion and perspectives of modification methods and material designing points are presented for both future studies and commercial applications in the field of aqueous ZIBs.

TL;DR: In this article , the authors demonstrate an elaborate design of atomically dispersed Cu and Zn sites anchored on N,P-codoped carbon macroporous fibers (denoted as Cu/Zn-N/P-CMFs) as a three-dimensional (3D) versatile host for efficient Zn metal anodes in mildly acidic electrolyte.

TL;DR: In this paper , a concentric ring like additive, hexaoxacyclooctadecane (18-crown-6, 18C6), was used into typical ZnSO4 electrolytes to hook the Zn ion on surface by confinement effects during the electrochemical process.

TL;DR: This work demonstrates that an aqueous electrolyte based on Zn and lithium salts at high concentrations is a very effective way to address irreversibility issues and brings unprecedented flexibility and reversibility to Zn batteries.

Abstract: The ever‐growing demands for electrical energy storage have stimulated the pursuit of alternative advanced batteries. Zn‐ion batteries (ZIBs) are receiving increased attentions due to the low cost, high safety, and high eco‐efficiency. However, it is still a big challenge to develop suitable cathode materials for intercalation of Zn ions. This review provides a timely access for researchers to the recent activities regarding ZIBs. First, cathode materials including various manganese oxides, vanadium compounds, and Prussian blue analogs are summarized with details in crystal structures and Zn ion storage mechanisms. Then, the electrolytes and their influences on the electrochemical processes are discussed. Finally, opinions on the current challenge of ZIBs and perspective to future research directions are provided.

TL;DR: In this paper, a review of recent advances in rechargeable aqueous zinc-ion batteries (ZIBs) is presented, highlighting the design of a highly reversible Zn anode, optimization of the electrolyte, and a wide range of cathode materials and their energy storage mechanisms.

TL;DR: A remarkable electrode performance results from the facile charge transfer and Zn insertion in the structurally robust spinel featuring small particle size and abundant cation vacancies, as evidenced by combined electrochemical measurements, XRD, Raman, synchrotron X-ray absorption spectroscopy, FTIR, and NMR analysis.