2019
DOI: 10.7731/kifse.2019.33.4.059
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An Experimental Study on Fire Risks Due to Overcharge and External Heat of ESS Lithium Battery

Abstract: The present article relates to an experimental study on fire risks due to overcharge and external heat of ESS lithium battery. According to the experimental results of overcharge, ignition occurred as combustible gas and smoke was slowly increased after occurrence of venting, and an explosive combustion form accompanied by flame eruption and sparks was displayed as charged energy is rapidly discharged in an instant. On the other hand, according to the experimental results of external heat, as a tremendous amou… Show more

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Cited by 5 publications
(7 citation statements)
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“…[1][2][3][4] However, as the application of the ESS increased, numerous occurrences of ESS burn-down have been reported around the world. [5][6][7][8][9][10][11] The primary cause of re is the thermal runaway of lithiumion batteries (LIBs) that comprise the ESS. Under battery abuse conditions, heat generation continues to accumulate if the amount of energy required for chemical reactions is exceeded.…”
Section: Introductionmentioning
confidence: 99%
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“…[1][2][3][4] However, as the application of the ESS increased, numerous occurrences of ESS burn-down have been reported around the world. [5][6][7][8][9][10][11] The primary cause of re is the thermal runaway of lithiumion batteries (LIBs) that comprise the ESS. Under battery abuse conditions, heat generation continues to accumulate if the amount of energy required for chemical reactions is exceeded.…”
Section: Introductionmentioning
confidence: 99%
“…When the temperature rises above the vaporization point of the electrolyte, the electrolyte starts to dissolve, and the solid electrolyte interphase layer begins to decompose. 11 The dissolution of these electrolytes creates oxygen inside the sealed battery and causes metal ions to dissolve, resulting in the collapse of the crystalline structure of the battery. 11 When the exothermic reactions of the electrolyte, anode, and cathode in the cell continue to occur and become uncontrollable, the reaction rate increases because of the temperature rise, which further elevates the temperature.…”
Section: Introductionmentioning
confidence: 99%
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