Challenges and optimization strategies of the anode of aqueous zinc-ion battery

doi:10.19799/j.cnki.2095-4239.2021.0630

Abstract

Abstract:

Aqueous zinc ion batteries (ZIBs) are up-and-coming energy storage systems due to their safety, low cost, and environmental friendliness; hence have vast research potential. Despite rapid improvements in high-performance cathode materials, research on zinc anodes is still lacking. Many strategies focus on improving the zinc anode performance and anode protection to address the inherent shortcomings. In this review, the relevant literature suggests that low Coulomb efficiency (CE) and poor cycling performance are challenges for zinc anode at present, which are due to zinc anode dendrite growth and corrosion phenomena. In this paper, the methods to improve the performance of zinc anode are compared in detail on following aspects: zinc anode alloying treatment, surface structure modification, interfacial protection, electrolyte zinc salt comparison, electrolyte additives, and gel electrolyte, by reviewing recent research on zinc anode design and electrolyte optimization to change the interfacial properties of zinc anode. Finally, we outline the demand for ZIBs research and future strategies for stabilizing the zinc anode interface.

Key words: aqueous zinc ion batteries, dendrite, corrosion, zinc anode design, electrolyte optimization

CLC Number:

TM 911

Xinyi WANG, Weijie LI, Chao HAN, Huakun LIU, Shixue DOU. Challenges and optimization strategies of the anode of aqueous zinc-ion battery[J]. Energy Storage Science and Technology, 2022, 11(4): 1211-1225.

Figures/Tables 10

References 107

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