Controlled Zn electrodeposition/dissolution by interfacial engineering for aqueous Zn-based batteries

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Aqueous zinc-based flow batteries are an attractive option for energy storages system due to their inflammability and high energy density. However, non-uniform Zn deposition and dissolution, which is represented by Zn dendrite formation, causes internal short circuit, capacity drop, and low coulombic efficiency, limiting long-term operation of Zn-based batteries. Uncontrolled Zn nucleation/growth or limited Zn-ion transport leads to inhomogeneous Zn reaction and triggers dendritic Zn growth. In this aspect, advanced engineering of the Zn/substrate and Zn/electrolyte interface, which can control these processes, is strongly demanded. In this talk, we present that an atomistic-designed carbon current collector and a structured interlayer on Zn electrode can control these interfacial processes for inducing dendrite-free Zn deposition.
Publisher
한국화학공학회
Issue Date
2021-10-28
Language
Korean
Citation

한국화학공학회 2021년도 가을 총회 및 국제 학술대회

URI
http://hdl.handle.net/10203/290338
Appears in Collection
CBE-Conference Papers(학술회의논문)
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