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Experimental study of the effect of gas discharge on ionic liquid electrospray

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Ionic liquid electrospray(ILE)in an atmospheric environment is often accompanied by the gas discharge phenomenon.It interferes with the normal operation of the electrospray and the measurement of experimental parameters.In this study,electrospray experiments were conducted on the ionic liquid EMI-BF4.The observations revealed that the operating modes of the ionic liquid depend on the voltage polarity at high voltages.Additionally,a correspondence between the operating mode of ILE and the current signal in the circuit was established.The shape of the liquid cone formed at the needle tip bore a striking resemblance to the plume of corona discharge,suggesting that the motion trajectory of electrons influenced the curvature of the liquid cone.Steamer theory provided a clear explanation for the change in curvature as the voltage increased.

ionic liquidelectrosprayTaylor cone jetcorona discharge

石文、杨鹏飞、宋培义、吴健

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School of Energy Science and Engineering,Harbin Institute of Technology,Harbin 150001,People's Republic of China

FAW-Volkswagen Automotive Co.Ltd.,Changchun 130011,People's Republic of China

Center for Gravitational Experiments,School of Physics,Huazhong University of Science and Technology,Wuhan 430074,People's Republic of China

国家重点研发计划国家自然科学基金

2020YFC220100412172110

2024

10.1088/2058-6272/ad1365

等离子体科学和技术(英文版)
中国科学院合肥物质科学研究所 中国力学学会

等离子体科学和技术(英文版)

EI
影响因子：0.297
ISSN：1009-0630
年,卷(期)：2024.26(4)
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