Abstract
The number of registered eco-friendly vehicles has exceeded a million, and their market share has expanded. In this study, the effectiveness of existing fire response procedures for lithium-ion batteries, which are widely used in eco-friendly vehicles, was investigated by using water-based extinguishing agents, fire blankets, and flood barriers. Water, wetting agents, and foaming agents were sprayed on the underside of battery packs. A temperature decrease rate of ~0.08 ℃ was measured, and no significant difference was observed between the extinguishing agents. Continuous thermal runaway occurred when a fire blanket was applied, and the temperature inside the damaged battery pack rapidly decreased after water permeated its cracks. Quantitative analysis of fire suppression methods can provide information toward the development of practical fire incident response plans for electric vehicles.
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