NDLI: Thermal hazard evaluations of 18650 lithium-ion batteries by an adiabatic calorimeter

Content Provider	Springer Nature Link
Author	Lu, Tien Yuan Chiang, Chung Cheng Wu, Sheng Hung Chen, Kuan Chung Lin, Shinn Jou Wen, Chia Yuan Shu, Chi Min
Copyright Year	2013
Abstract	In this study, the thermal hazard features of various lithium-ion batteries, such as LiCoO$_{2}$ and LiFePO$_{4}$, were assessed properly by calorimetric techniques. Vent sizing package 2 (VSP2), an adiabatic calorimeter, was used to measure the thermal hazards and runaway characteristics of the 18650 lithium-ion batteries under an adiabatic condition. The thermal behaviors of the lithium-ion batteries were obtained at normal and abnormal conditions in this study. The critical parameters for thermal hazardous behavior of lithium-ion batteries were obtained including the exothermic onset temperature (T $_{0}$), heat of decomposition (ΔH), maximum temperature (T $_{max}$), maximum pressure (P $_{max}$), self-heating rate (dT/dt), and pressure rise rate (dP/dt). Therefore, the result indicates the thermal runaway situation of the lithium-ion battery with different materials and voltages in view the of TNT-equivalent method by VSP2. The hazard gets greater with higher voltage. Without the consideration of other anti-pressure measurements, different voltages involving 3.3, 3.6, 3.7, and 4.2 V are evaluated to 0.11, 0.23, 0.88, and 1.77 g of TNT. Further estimation of thermal runaway reaction and decomposition reaction of lithium-ion battery can also be confirmed by VSP2. It shows that the battery of a fully charged state is more dangerous than that of a storage state. The technique results showed that VSP2 can be used to strictly evaluate thermal runaway reaction and thermal decomposition behaviors of lithium-ion batteries. The loss prevention and thermal hazard assessment are very important for development of electric vehicles as well as other appliances in the future. Therefore, our results could be applied to define important safety indices of lithium-ion batteries for safety concerns.
Starting Page	1083
Ending Page	1088
Page Count	6
File Format	PDF
ISSN	13886150
Journal	Journal of thermal analysis
Volume Number	114
Issue Number	3
e-ISSN	15882926
Language	English
Publisher	Springer Netherlands
Publisher Date	2013-04-09
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	LiCoO$_{2}$ LiFePO$_{4}$ Vent sizing package 2 (VSP2) 18650 Lithium-ion batteries Thermal behaviors Safety concerns Physical Chemistry Analytical Chemistry Polymer Sciences Inorganic Chemistry Measurement Science and Instrumentation
Content Type	Text
Resource Type	Article
Subject	Physical and Theoretical Chemistry Condensed Matter Physics

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