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Article

A Facile Chemical Method Enabling Uniform Zn Deposition for Improved Aqueous Zn-Ion Batteries

Leibniz Institute for Solid State and Materials Research (IFW) Dresden e.V., 01069 Dresden, Germany
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Authors to whom correspondence should be addressed.
These authors contributed equally to this work.
Academic Editor: Jaehyun Hur
Nanomaterials 2021, 11(3), 764; https://doi.org/10.3390/nano11030764
Received: 26 February 2021 / Revised: 15 March 2021 / Accepted: 16 March 2021 / Published: 18 March 2021
(This article belongs to the Special Issue Nanomaterials for Ion Battery Applications)
Rechargeable aqueous Zn-ion batteries (ZIBs) have gained great attention due to their high safety and the natural abundance of Zn. Unfortunately, the Zn metal anode suffers from dendrite growth due to nonuniform deposition during the plating/stripping process, leading to a sudden failure of the batteries. Herein, Cu coated Zn (Cu–Zn) was prepared by a facile pretreatment method using CuSO4 aqueous solution. The Cu coating transformed into an alloy interfacial layer with a high affinity for Zn, which acted as a nucleation site to guide the uniform Zn nucleation and plating. As a result, Cu–Zn demonstrated a cycling life of up to 1600 h in the symmetric cells and endowed a stable cycling performance with a capacity of 207 mAh g−1 even after 1000 cycles in the full cells coupled with a V2O5-based cathode. This work provides a simple and effective strategy to enable uniform Zn deposition for improved ZIBs. View Full-Text
Keywords: zinc metal anode; copper coating; alloy interfacial layer; uniform Zn deposition; aqueous zinc-ion battery zinc metal anode; copper coating; alloy interfacial layer; uniform Zn deposition; aqueous zinc-ion battery
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MDPI and ACS Style

Liu, C.; Lu, Q.; Omar, A.; Mikhailova, D. A Facile Chemical Method Enabling Uniform Zn Deposition for Improved Aqueous Zn-Ion Batteries. Nanomaterials 2021, 11, 764. https://doi.org/10.3390/nano11030764

AMA Style

Liu C, Lu Q, Omar A, Mikhailova D. A Facile Chemical Method Enabling Uniform Zn Deposition for Improved Aqueous Zn-Ion Batteries. Nanomaterials. 2021; 11(3):764. https://doi.org/10.3390/nano11030764

Chicago/Turabian Style

Liu, Congcong, Qiongqiong Lu, Ahmad Omar, and Daria Mikhailova. 2021. "A Facile Chemical Method Enabling Uniform Zn Deposition for Improved Aqueous Zn-Ion Batteries" Nanomaterials 11, no. 3: 764. https://doi.org/10.3390/nano11030764

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