Electric-Thermal Analysis of Power Supply Module in Graphitization Furnace

Xiangbin Xia, Shijun Li (), Derong Luo, Sen Chen, Jing Liu, Jiacheng Yao, Liren Wu and Ximing Zhang
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Xiangbin Xia: Hunan Huaxia TEBIAN Co., Ltd., Xiangtan 411101, China
Shijun Li: New Energy Vehicle Innovation Research Institute, Hunan Institute of Engineering, Xiangtan 411101, China
Derong Luo: College of Electrical and Information Engineering, Hunan University, Changsha 410082, China
Sen Chen: Hunan Huaxia TEBIAN Co., Ltd., Xiangtan 411101, China
Jing Liu: Hunan Huaxia TEBIAN Co., Ltd., Xiangtan 411101, China
Jiacheng Yao: Hunan Huaxia TEBIAN Co., Ltd., Xiangtan 411101, China
Liren Wu: Hunan Huaxia TEBIAN Co., Ltd., Xiangtan 411101, China
Ximing Zhang: Hunan Huaxia TEBIAN Co., Ltd., Xiangtan 411101, China

Energies, 2024, vol. 17, issue 17, 1-22

Abstract: Graphite, a key anode material in lithium-ion batteries, primarily relies on the Acheson graphitization furnace (AGF) for production. This research focuses on the power supply module of the AGF, particularly the electrodes and their power transmission clamps. A three-dimensional transient electric-thermal-fluid coupling model was developed to numerically analyze the temperature and electric field distributions during operation. The study revealed that heat conduction through furnace electrodes dominates temperature rise. Notably, clamping plates within transmission clamps exhibit high temperatures and gradients, posing a thermal failure risk. Efficient cooling plate design with liquid-cooled channels is crucial for temperature control. Additionally, maintaining high electrode temperatures reduces resistivity, lowering power consumption in the power supply module. This study provides insights into optimizing AGF power supply module design, emphasizing the importance of effective cooling strategies for clamping plates and the benefits of maintaining elevated electrode temperatures for energy efficiency.

Keywords: Acheson graphitization furnace; power supply module; electric-thermal-fluid coupling model; numerical simulation; energy efficiency and stability (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: 2024
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