Annealing process optimization of 3D coil core based on annealing simulation experiment and thermal mechanical coupling model

Zhang, Kunpeng; u, Ruifeng Do; Zhao, Peng; Li, Xianhao; Zhou, Liang; Liu, Xunliang; Wang, Zhi

doi:10.1016/j.jmrt.2022.11.087

Cited by 1 publication

(2 citation statements)

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“…The equivalent specific heat method [27] is used to consider the heat absorption from chemical reactions. The equation for the equivalent specific heat capacity is shown in Equation (13).…”

Section: Boundary Conditions Thermal Conductivity and Source Termsmentioning

confidence: 99%

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Mathematical Model and Parameter Analysis of the Sintering Process for Ternary Cathode Materials

Ma,

Dou,

Peng

et al. 2023

Advcd Theory and Sims

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The ternary cathode material LiNi0.8Co0.1Mn0.1O2 is widely used in lithium batteries, and the sintering process plays a crucial role in its production. Proper configuration of sintering kiln parameters directly affects the quality of LiNi0.8Co0.1Mn0.1O2. However, determining optimal working conditions through onsite trials is time‐consuming and expensive. A predictive model for the sintering furnace of ternary cathode material is developed. The predictive model incorporates chemical reactions, thermal conduction inside the saggars, and convective and radiative heat transfer within the furnace. It comprehensively analyzes the relationship between furnace temperature and material temperature. Radiative heat transfer within the furnace is calculated using the Monte Carlo method, and convective heat transfer properties on the surface of the saggars are obtained through computational fluid dynamics simulations. Heat transfer inside the saggars is resolved using the finite difference method. The model accounts for the effects of operational and structural parameters. Onsite experiments validate the accuracy of the model, with a simulation error of <±10% under typical working conditions. Leveraging this model, the effects of loading quantity, moving velocity, and saggar size on the sintering of ternary cathode materials are compared. Optimization recommendations are proposed to enhance production capacity.

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“…The equivalent specific heat method [27] is used to consider the heat absorption from chemical reactions. The equation for the equivalent specific heat capacity is shown in Equation (13).…”

Section: Boundary Conditions Thermal Conductivity and Source Termsmentioning

confidence: 99%

“…Zhang et al. [ 13 ] established a heat transfer model of a 3D coil core based on annealing simulation experiments. They proposed an optimization strategy using a thermal‐mechanical coupling model.…”

Section: Introductionmentioning

confidence: 99%