基于分布式储能电站锂离子电池热失控蔓延控制研究

Research on Thermal Runaway Spread Control of Lithium-ion Battery Based on Distributed Energy Storage Power Station

针对锂离子电池热失控蔓延控制进行研究,开展了基于抑制措施作为变量,过充作为条件的电池热失控蔓延抑制实验,通过实验结果表明,相较于暴露在空气中无保护措施的模组和全氟己酮环境下的模组,浸没水中模组热失控时无明火产生,热失控后电池温度冷却较快。这为今后锂离子电池在分布式储能电站应用的安全性设计与热失控蔓延控制技术提供了一定的理论参考。

The thermal runaway spread control of lithium-ion batteries is studied, and the battery thermal runaway spread inhibition experiment based on suppression measures as a variable and overcharge as a condition is carried out. The experimental results show that compared with the module exposed to the air without protection measures And the module in the environment of perfluorohexanone, there is no open flame when the module is immersed in water thermal runaway, and the battery temperature cools quickly after thermal runaway. This provides a certain theoretical reference for the safety design and thermal runaway spread control technology of lithium-ion batteries applied in distributed energy storage power stations in the future.