Experimental quantification of vent mechanism flow parameters in 18650 format lithium ion batteries
Abstract
Lithium ion batteries have a well documented tendency to fail energetically under various abuse conditions. These conditions frequently result in decomposition of the electrochemical components within the battery resulting in gas generation and increased internal pressure which can lead to an explosive case rupture. The 18650 format cell incorporates a vent mechanism located within a crimped cap to relieve pressure and mitigate the risk of case rupture. Cell venting, however, introduces additional safety concerns associated with the flow of flammable gases and liquid electrolyte into the environment. Experiments to quantify key parameters are performed to elucidate the external dynamics of battery venting. A first experiment measures the vent burst pressure. Burst vent caps are then tested with a second experimental fixture to measure vent opening area and discharge coefficient during choked-flow venting, which occurs during battery failure. Vent opening area and discharge coefficient are calculated from stagnation temperature, stagnation pressure, and static pressure measurements along with compressible-isentropic flow equations and conservation of mass. Commercially-sourced vent caps are used with repeated tests run to quantify repeatability and variability. Validation experiments confirmed accuracy of opening area and discharge coefficient measurement. Moreover, trials conducted on vent caps from two sources demonstrate the potentialmore »
- Authors:
-
- New Mexico Inst. of Mining and Technology, Socorro, NM (United States)
- Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
- Publication Date:
- Research Org.:
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Sponsoring Org.:
- USDOE Office of Electricity (OE)
- OSTI Identifier:
- 1498760
- Report Number(s):
- SAND-2018-9403J
Journal ID: ISSN 0098-2202; 667391
- Grant/Contract Number:
- AC04-94AL85000
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Fluids Engineering
- Additional Journal Information:
- Journal Name: Journal of Fluids Engineering; Journal ID: ISSN 0098-2202
- Publisher:
- ASME
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 25 ENERGY STORAGE
Citation Formats
Mier, Frank Austin, Hargather, Michael J., and Ferreira, Summer R. Experimental quantification of vent mechanism flow parameters in 18650 format lithium ion batteries. United States: N. p., 2019.
Web. doi:10.1115/1.4042962.
Mier, Frank Austin, Hargather, Michael J., & Ferreira, Summer R. Experimental quantification of vent mechanism flow parameters in 18650 format lithium ion batteries. United States. https://doi.org/10.1115/1.4042962
Mier, Frank Austin, Hargather, Michael J., and Ferreira, Summer R. Tue .
"Experimental quantification of vent mechanism flow parameters in 18650 format lithium ion batteries". United States. https://doi.org/10.1115/1.4042962. https://www.osti.gov/servlets/purl/1498760.
@article{osti_1498760,
title = {Experimental quantification of vent mechanism flow parameters in 18650 format lithium ion batteries},
author = {Mier, Frank Austin and Hargather, Michael J. and Ferreira, Summer R.},
abstractNote = {Lithium ion batteries have a well documented tendency to fail energetically under various abuse conditions. These conditions frequently result in decomposition of the electrochemical components within the battery resulting in gas generation and increased internal pressure which can lead to an explosive case rupture. The 18650 format cell incorporates a vent mechanism located within a crimped cap to relieve pressure and mitigate the risk of case rupture. Cell venting, however, introduces additional safety concerns associated with the flow of flammable gases and liquid electrolyte into the environment. Experiments to quantify key parameters are performed to elucidate the external dynamics of battery venting. A first experiment measures the vent burst pressure. Burst vent caps are then tested with a second experimental fixture to measure vent opening area and discharge coefficient during choked-flow venting, which occurs during battery failure. Vent opening area and discharge coefficient are calculated from stagnation temperature, stagnation pressure, and static pressure measurements along with compressible-isentropic flow equations and conservation of mass. Commercially-sourced vent caps are used with repeated tests run to quantify repeatability and variability. Validation experiments confirmed accuracy of opening area and discharge coefficient measurement. Moreover, trials conducted on vent caps from two sources demonstrate the potential for variation between manufacturers.},
doi = {10.1115/1.4042962},
journal = {Journal of Fluids Engineering},
number = ,
volume = ,
place = {United States},
year = {Tue Feb 19 00:00:00 EST 2019},
month = {Tue Feb 19 00:00:00 EST 2019}
}
Web of Science
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Works referencing / citing this record:
Energetics of lithium ion battery failure
journal, November 2016
- Lyon, Richard E.; Walters, Richard N.
- Journal of Hazardous Materials, Vol. 318
In-operando high-speed tomography of lithium-ion batteries during thermal runaway
journal, April 2015
- Finegan, Donal P.; Scheel, Mario; Robinson, James B.
- Nature Communications, Vol. 6, Issue 1
Discharge Coefficients for Circular Side Outlets
journal, March 2018
- Czetany, Laszlo; Lang, Peter
- Journal of Fluids Engineering, Vol. 140, Issue 7
A lumped model of venting during thermal runaway in a cylindrical Lithium Cobalt Oxide lithium-ion cell
journal, March 2016
- Coman, Paul T.; Rayman, Sean; White, Ralph E.
- Journal of Power Sources, Vol. 307
Safety mechanisms in lithium-ion batteries
journal, April 2006
- Balakrishnan, P. G.; Ramesh, R.; Prem Kumar, T.
- Journal of Power Sources, Vol. 155, Issue 2
Physical and chemical analysis of lithium-ion battery cell-to-cell failure events inside custom fire chamber
journal, April 2015
- Spinner, Neil S.; Field, Christopher R.; Hammond, Mark H.
- Journal of Power Sources, Vol. 279
An experimental study on burning behaviors of 18650 lithium ion batteries using a cone calorimeter
journal, January 2015
- Fu, Yangyang; Lu, Song; Li, Kaiyuan
- Journal of Power Sources, Vol. 273
Safety focused modeling of lithium-ion batteries: A review
journal, February 2016
- Abada, S.; Marlair, G.; Lecocq, A.
- Journal of Power Sources, Vol. 306
Discharge coefficients for compressible flow through small-diameter orifices and convergent nozzles
journal, January 1991
- Kayser, John C.; Shambaugh, Robert L.
- Chemical Engineering Science, Vol. 46, Issue 7
Studies on the Thermal Breakdown of Common Li-Ion Battery Electrolyte Components
journal, January 2015
- Lamb, Joshua; Orendorff, Christopher J.; Roth, E. Peter
- Journal of The Electrochemical Society, Vol. 162, Issue 10
Thermal runaway caused fire and explosion of lithium ion battery
journal, June 2012
- Wang, Qingsong; Ping, Ping; Zhao, Xuejuan
- Journal of Power Sources, Vol. 208
Effects of thermal hazard on 18650 lithium-ion battery under different states of charge
journal, April 2015
- Chen, Wei-Chun; Li, Jian-De; Shu, Chi-Min
- Journal of Thermal Analysis and Calorimetry, Vol. 121, Issue 1
Overcharge and thermal destructive testing of lithium metal oxide and lithium metal phosphate batteries incorporating optical diagnostics
journal, October 2017
- Mier, Frank Austin; Morales, Rudy; Coultas-McKenney, Caralyn A.
- Journal of Energy Storage, Vol. 13
Insight into the Gassing Problem of Li-ion Battery
journal, December 2014
- Zhang, Sheng S.
- Frontiers in Energy Research, Vol. 2