锂电涂布机新型节能技术研究

Research on New Type Energy-saving Technology of Lithium Battery Coating Machines

随着新能源行业的快速发展,锂电池生产能耗问题日趋严峻,涂布工艺占电芯整线制造设备能耗的30%,是节能研究的重要环节。基于传统锂电涂布机,首先系统分析了设备运行过程中的能耗分布,通过自然对流散热理论分析结合风场仿真及流体测试,优化了试验涂布机箱体散热、风场布局和油管损耗。结果表明,与传统涂布机相比,能耗可降低17.5%,有效能量利用率可提升7.4%。此外,能耗测试结果量化了涂布机节能权重,从高到低分别为油管损失、箱体散热和风机功率,可为涂布机运营降本提供重要数值依据。此技术可广泛应用于储能、动力和3C等化学电池等领域,具有显著的经济价值。

With the rapid development of the new energy industry,the energy consumption problem of lithium battery production has been becoming increasingly severe,and the coating process accounted for 30%of the energy consumption of the whole cell manufacturing equipment,which was an important part of energy-saving research.Based on the traditional lithium battery coater,firstly,we systematically analyzed the energy consumption distribution during the operation of the equipment,and optimized the heat dissipation,wind field layout and tubing loss of the experimental coating machine through the theoretical analysis of natural convection heat dissipation combined with wind field simulation and fluid test.The results showed that the energy consumption could be reduced by 17.5%and the effective energy utilization rate could be increased by 7.4%compared with the traditional coater.In addition,the energy consumption test results quantified the energy-saving weight of the coater,which were the loss of tubing,the heat dissipation of the box and the power of the fan from the high to the low,it provided an important numerical basis for the cost reduction of the coater.This technology could be widely used in energy storage,power and 3C and other chemical batteries,and had the significant economic value.