选择热稳定性好的正负极材料、电解液及其阻燃剂，可以提高电池的热稳定性；

The thermal stability of battery was improved by choosing thermally stable anode and cathode materials, electrolyte and its additives.

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因此，这种添加剂可以用作锂离子电池双功能电解液添加剂，达到过充和阻燃双重效果。

Thus, it is possible to use this electrolyte additive to provide both overcharge protection and flame retardancy for lithium-ion batteries.

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