储能科学与技术2024，Vol.13Issue(2)：634-642,9.DOI:10.19799/j.cnki.2095-4239.2023.0496
基于有限元的热力耦合场匣钵运动分析与优化
Finite element-based motion analysis and optimization of sagger in thermo-mechanical coupling field
摘要
Abstract
To address the issue of abnormal transverse movement in sagger containing cathode materials of lithium-ion batteries during the sintering process in a roller kiln,leading to the sagger to break,this study optimizes the motion process by analyzing factors influencing the abnormal motion characteristics of the sagger.First,Solidworks is used to establish a simplified model of the roller conveyor-sagger transmission system.Force analysis of the sagger reveals that the abnormal transverse movement of the sagger is caused by the elastic deformation of the roller bar.Second,finite element simulation using Abaqus is conducted to compare and analyze the displacement curve of the sagger in the thermo-mechanical coupling field and the gravity field,along with the force exerted on the roller bar.Results show that the thermo-mechanical coupling field induces greater elastic deformation of the roller bar compared to the gravitational field.The transverse displacement of the sagger in the thermo-mechanical coupling field increases relative to the gravity field from 0 to 1 s,while it decreases relative to the gravity field from 1 to 5 s.This indicates that the joint action of temperature and gravity-induced elastic deformation is the primary cause of the abnormal transverse motion of the sagger.On this basis,a sagger transmission mechanism is designed,including the roller bar support mechanism,the sagger clamping device,and the sagger blocking device.The feasibility of the improved mechanism is verified through comparative production.This study analyzes factors affecting the abnormal transverse motion of the sagger during the sintering process in the roller kiln and provides an improved mechanism,contributing to the advancement of cathode material production equipment for lithium-ion batteries.关键词
锂离子电池/正极材料/辊道窑/匣钵/热力耦合/有限元法Key words
lithium-ion battery/cathode material/roller kiln/sagger/thermo-mechanical coupling/finite element method分类
机械制造引用本文复制引用
彭可,张志成,胡有章,张旭辉,周稼辉,李彬..基于有限元的热力耦合场匣钵运动分析与优化[J].储能科学与技术,2024,13(2):634-642,9.基金项目
国家自然科学基金(52005179),湖南省研究生科研创新项目资助(CX20220504). （52005179）
