Study on Two-Phase Permeation of Oxygen and Electrolyte in Lithium Air Battery Electrode Based on Digital Twin

Qiang Li, Tanghu Zhang, Tianyu Zhang, Zhichao Xue and Hong Sun ()
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Qiang Li: School of Mechanical Engineering, Shenyang Jianzhu University, Shenyang 110168, China
Tanghu Zhang: School of Mechanical Engineering, Shenyang Jianzhu University, Shenyang 110168, China
Tianyu Zhang: School of Mechanical Engineering, Shenyang Jianzhu University, Shenyang 110168, China
Zhichao Xue: School of Science, Shenyang Jianzhu University, Shenyang 110168, China
Hong Sun: School of Mechanical Engineering, Shenyang Jianzhu University, Shenyang 110168, China

Energies, 2022, vol. 15, issue 19, 1-12

Abstract: In this paper, the saturation of electrolytes on the mass transfer property of porous electrodes in non-aqueous lithium air batteries has been studied based on digital twin. Herein, we reconstruct the porous cathode based on X-ray micro-computed tomography (μct) and quantitatively analyze the pore size distribution, specific surface area, triple-phase interface area, conductivity and diffusion coefficient of reactants at varying filling degrees of the electrolyte. The results derived from digital twin provide insight into the gas–liquid two-phase mass transfer performance in the porous cathode with various degrees of electrolyte saturation and demonstrate that the optimum electrolyte saturation is 60%.

Keywords: lithium air battery; saturation; X-ray micro-computed tomography; digital twin (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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