A study on the fire behaviors of 18650 battery and batteries pack under discharge
作者： Dongxu Ouyang , Mingyi Chen , Ruichao Wei , Zhi Wang , Jian Wang
DOI: 10.1007/S10973-018-7861-Z
关键词: Battery (electricity) 、 Radiant heat 、 Reactive material 、 Environmental science 、 Heat flux 、 Mass flow 、 Thermal runaway 、 Combustion 、 Heat generation 、 Nuclear engineering 、 Physical and Theoretical Chemistry 、 Condensed matter physics
摘要: In order to have a better understanding of the fire behaviors lithium-ion battery (LIB) and batteries pack under discharge, series tests were conducted. The LIB characterized by parameters including flame photographs, surface temperature, mass loss, radiative heat flux hydrogen fluoride (HF) flow. results indicate that number will affect LIB. Pack with larger possesses faster temperature rise, higher peak total heat, leading quicker thermal runaway. Additionally, discharging treatment also has significant impact on It can accelerate warming-up process, increase risks LIB, decrease combustion efficiency reduce heat. This is result generation during discharge more reactive materials inside discharge. Besides, HF generated discussed in paper note toxicity released gases fire.
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