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Title: Steel anti-corrosion strategy enables long-cycle Zn anode
Authors: Tian, Han
Yang, Jin-Lin
Deng, Yirui
Tang, Wenhao
Liu, Ruiping
Xu, Chenyang
Han, Peng
Fan, Hong Jin
Keywords: Engineering::Materials
Issue Date: 2023
Source: Tian, H., Yang, J., Deng, Y., Tang, W., Liu, R., Xu, C., Han, P. & Fan, H. J. (2023). Steel anti-corrosion strategy enables long-cycle Zn anode. Advanced Energy Materials, 13(1), 2202603-.
Project: MOE-T2EP50121-0006
Journal: Advanced Energy Materials
Abstract: The progress of aqueous zinc batteries (AZBs) is limited by the poor cycling life due to Zn anode instability, including dendrite growth, surface corrosion, and passivation. Inspired by the anti-corrosion strategy of steel industry, a compounding corrosion inhibitor (CCI) is employed as the electrolyte additive for Zn metal anode protection. It is shown that CCI can spontaneously generate a uniform and ≈30 nm thick solid-electrolyte interphase (SEI) layer on Zn anode with a strong adhesion via Zn-O bonding. This SEI layer efficiently prohibits water corrosion and guides homogeneous Zn deposition without obvious dendrite formation. This enables reversible Zn deposition and dissolution for over 1100 h under the condition of 1 mA cm−2 and 1 mAh cm−2 in symmetric cells. The Zn-MnO2 full cells with CCI-modified electrolyte deliver an ultralow capacity decay rate (0.013% per cycle) at 0.5 A g−1 over 1000 cycles. Such an innovative strategy paves a low-cost way to achieve AZBs with long lifespan.
ISSN: 1614-6832
DOI: 10.1002/aenm.202202603
Schools: School of Physical and Mathematical Sciences 
Rights: © 2022 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim. All rights reserved. This is the peer reviewed version of the following article: Tian H, Yang J, Deng Y, et al. Steel anti-corrosion strategy enables long-cycle Zn anode. Advanced Energy Materials, 13(1), 2202603, which has been published in final form at This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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