Characterisation of Heat and Gas Emissions in Thermally Induced Battery Failure on Commercially Available 18650 Li-Ion Cells

被引：3

作者：

Lammer, M. ^{[1
]}

Koenigseder, A. ^{[1
]}

Hacker, V ^{[1
]}

机构：

[1] Graz Univ Technol, Inst Chem Engn & Environm Technol, Inffeldgasse 25C, A-8010 Graz, Austria

来源：

SELECTED PROCEEDINGS FROM THE 232ND ECS MEETING | 2017年 / 80卷 / 10期

关键词：

RUNAWAY; FIRE; CALORIMETRY; STABILITY; BEHAVIOR; GENERATION; LICOO2;

D O I：

10.1149/08010.0135ecst

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

A method of holistic characterisation of thermally induced cell failure has been established. Single cylindrical cells are subjected to a defined heating ramp. Critical heat influx triggers gas generation from chemical degradation reactions. The onset of fast exothermic reactions then drives the total breakdown of cell components towards the thermal runaway. The large quantities (up to 6000 cm(3)) of vent gas are investigated quantitatively. H-2, CO and CO2 as well as short-chain hydrocarbons are detected in this process. Thermal characterisation of endothermic and exothermic effects is performed, indicating up to 30 kJ of heat being released from a single 18650 cell during full-scale exothermic breakdown and cell deflagration.

引用

页码：135 / 143

页数：9

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