Preventing thermal runaway propagation in lithium ion battery packs using a phase change composite material: An experimental study

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• 作者：Stephen Wilke ; Ben Schweitzer ; Siddique Khateeb ; Said Al-Hallaj ; ^{SAlHallaj@allcelltech.com}
• 关键词：Thermal runaway ; Lithium ion ; Phase change material ; Nail penetration ; Thermal management ; 18650
• 刊名：Journal of Power Sources
• 出版年：2017
• 出版时间：1 February 2017
• 年：2017
• 卷：340
• 期：Complete
• 页码：51-59
• 全文大小：2098 K
• 卷排序：340

文摘

Nail penetration is conducted on Li-ion packs with phase change composite (PCC™). Thermal runaway propagation is observed in baseline tests on packs without PCC. Propagation is prevented in the corresponding packs with PCC thermal management. PCC reduces the max temperature of cells surrounding the penetrated cell by 60 °C.