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Effect of liquid surface depression size on discharge characteristics and chemical distribution in the plasma-liquid anode system

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Plasma Science and Technology 2024年第9期26卷 17-31页

作者： Yun LING Dong DAI Jiaxin CHANG Buang WANG School of Electric Power South China University of TechnologyGuangzhou 510641People’s Republic of China University of Richmond Richmond 23173United States of America

Atmospheric pressure plasma-liquid interactions exist in a variety of applications,including wastewater treatment,wound sterilization,and *** practice,the phenomenon of liquid surface depression will inevitably *** applied gas will cause a depression on the liquid surface,which will undoubtedly affect the plasma generation and further affect the application ***,the effect of liquid surface deformation on the plasma is still *** this work,numerical models are developed to reveal the mechanism of liquid surface depressions affecting plasma discharge characteristics and the consequential distribution of plasma species,and further study the influence of liquid surface depressions of different sizes generated by different helium flow rates on the *** show that the liquid surface deformation changes the initial spatial electric field,resulting in the rearrangement of electrons on the liquid *** charges deposited on the liquid surface further increase the degree of distortion of the electric ***,the electric field and electron distribution affected by the liquid surface depression significantly influence the generation and distribution of active species,which determines the practical effectiveness of the relevant *** work explores the phenomenon of liquid surface depression,which has been neglected in previous related work,and contributes to further understanding of plasma-liquid interactions,providing better theoretical guidance for related applications and technologies.

关键词： plasma-liquid interaction deformation of the liquid surface liquid anode species fluxes

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Advances on Na-K liquid alloy-based batteries

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Journal of Energy Chemistry 2022年第8期31卷 313-323,I0009页

作者： Junwei Wu Zhuang Xue Lixuan Yuan Jilei Ye Qinghong Huang Lijun Fu Yuping Wu State Key Laboratory of Materials-Oriented Chemical Engineering College of Energy Science and EngineeringNanjing Tech UniversityNanjing 211816JiangsuChina

Sodium-potassium(Na^(-)K)liquid alloys attract increasing research attention,as an ideal alternative of Li metal for metal-based batteries,attributing to their high abundance,low redox potential,high capacity,and dendrite-free *** addition,the liquid and self-healing features of Na^(-)K alloys endow good electrode/electrolyte interfacial *** recent advances on the Na^(-)K liquid alloy-based batteries(NKBs)are reviewed *** anode designs for immobilization of the liquid alloy are *** influences of the electrolyte and cathode materials on the battery performances are *** addition,considering the co-existence of both K^(+)and Na^(+)in the electrolyte,the working mechanisms of the NKBs are *** also show that despite the improvement,challenges of the NKBs *** compatibility between Na^(-)K liquid alloy and electrolyte,as well as disputed working mechanisms,request detailed surface analyses of the liquid alloy and local element distribution evolution in the *** review would shed light on the fundamental understanding of Na^(-)K alloy electrochemistry and the development of dendrite-free metal-based energy storage systems with high energy density.

关键词： Sodium-potassium alloy liquid anode Metal battery Dendrite-free Mechanism

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