Coupled electro-thermal field in a high current electrolysis cell or liquid metal batteries

Author:

Sun Ze12ORCID,Cai Liwei12,Ni Haiou12,Lu Gui-Min12,Yu Jian-Guo12

Affiliation:

1. School of Resources and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, People's Republic of China

2. National Engineering Research Center for Integrated Utilization of Salt Lake Resource, East China University of Science and Technology, Shanghai 200237, People's Republic of China

Abstract

Coupled electro-thermal field exists widely in chemical batteries and electrolysis industry. In this study, a three-dimensional numerical model, which is based on the finite-element software ANSYS, has been built to simulate the electro-thermal field in a magnesium electrolysis cell. The adjustment of the relative position of the anode and cathode can change the energy consumption of the magnesium electrolysis process significantly. Besides, the current intensity has a nonlinear effect on heat balance, and the effects of heat transfer coefficients, electrolysis and air temperature on the heat balance have been released to maintain the thermal stability in a magnesium electrolysis cell. The relationship between structure as well as process parameters and electro-thermal field has been obtained and the simulation results can provide experience for the scale-up design in liquid metal batteries.

Funder

National Natural Science Foundation of China

Fundamental Research Funds for the Central Universities

Capacity Building of Qinghai Engineering Research Center for Integrated Utilization of Salt Lake

Applied basic research of Qinghai Province

Publisher

The Royal Society

Subject

Multidisciplinary

Reference36 articles.

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5. Wang W Wang K. 2016 Simulation of thermal properties of the liquid metal batteries. 6th Int. Conf. on Power Electronics Systems and Applications (PESA) Hong Kong 15–17 December 2015 pp. 1–11. IEEE. (doi:10.1109/PESA.2015.7398882)

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