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Modeling cell venting and gas-phase reactions in 18650 lithium ion batteries during thermal runaway

Journal Article · · Journal of Power Sources

A numerical model is developed to study cell venting, internal pressure, and gas-phase dynamics behavior of 18650 Li-ion cells undergoing thermal runaway. A k-e Reynolds-Averaged Navier-Stokes (RANS) model is adopted to describe the turbulent flow out of the cells, while the fluid dynamics inside the cells is described by Darcy-Forchheimer's equation. Thermal abuse reactions and gas generation kinetics are described by a single-step lumped reaction model. Then, a series of computational fluid dynamics (CFD) simulations are conducted on a single 18650 cell at various states-of-charge (100%, 50%, 25%) to study detailed flow and thermal behavior as a function of quantity of gas generated during cell venting. Venting events are categorized into two stages: i) breaching of the cell container and ii) thermal runaway reactions. It is found that the cell response is dominated by the second stage since most of the gases are generated during thermal runaway. Also, the propensity for propagation is highly affected by state-of-charge (SOC). Cells at higher SOCs produce more heat and gas during the venting event, owing to higher mass and concentrations of reacting gases, and consequently reach higher internal cell pressures which increase the risk of side-wall breaching.

Research Organization:
National Renewable Energy Laboratory (NREL), Golden, CO (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Vehicle Technologies Office (EE-3V)
Grant/Contract Number:
AC36-08GO28308
OSTI ID:
1772455
Alternate ID(s):
OSTI ID: 1811053
Report Number(s):
NREL/JA-- 5700-78814; MainId:32731; UUID:80233bae-cb47-426f-8ef3-0072ebd4f048; MainAdminID:20101
Journal Information:
Journal of Power Sources, Journal Name: Journal of Power Sources Vol. 489; ISSN 0378-7753
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

References (55)

Oxygen Release Degradation in Li‐Ion Battery Cathode Materials: Mechanisms and Mitigating Approaches journal April 2019
Modeling wood gasification in a countercurrent fixed-bed reactor journal January 2004
Rapid coal devolatilization as an equilibrium flash distillation journal May 1988
A new exploration of the fire behaviors of large format lithium ion battery journal July 2019
Solution of the implicitly discretised fluid flow equations by operator-splitting journal January 1986
The computation of compressible and incompressible recirculating flows by a non-iterative implicit scheme journal January 1986
Rapid devolatilization of pulverized coal journal January 1975
Coal devolatilization at high temperatures journal January 1977
On mathematical modeling of turbulent combustion with special emphasis on soot formation and combustion journal January 1977
Coal conversion submodels for design applications at elevated pressures. Part I. devolatilization and char oxidation journal January 2003
Computational modeling of pulverized coal combustion processes in tangentially fired furnaces journal January 2001
Simulation and experimental study on lithium ion battery short circuit journal July 2016
Simulating onset and evolution of thermal runaway in Li-ion cells using a coupled thermal and venting model journal June 2020
Spark ignition of lifted turbulent jet flames journal July 2006
A numerical simulation of pulverized coal combustion employing a tabulated-devolatilization-process model (TDP model) journal January 2012
Thermal runaway hazards investigation on 18650 lithium-ion battery using extended volume accelerating rate calorimeter journal April 2020
Numerical analysis of pulverized coal combustion characteristics using advanced low-NOx burner journal April 2004
Numerical investigation of oxy-coal combustion in a large-scale furnace: Non-gray effect of gas and role of particle radiation journal January 2015
Effect of different turbulence models on combustion and emission characteristics of hydrogen/air flames journal October 2017
Error of Darcy's law for serpentine flow fields: An analytical approach journal March 2018
Two-dimensional modeling for physical processes in direct flame fuel cells journal February 2019
A three-dimensional thermal abuse model for lithium-ion cells journal July 2007
Effects of separator breakdown on abuse response of 18650 Li-ion cells journal December 2007
Analysis of internal short-circuit in a lithium ion cell journal October 2009
Coupled mechanical-electrical-thermal modeling for short-circuit prediction in a lithium-ion cell under mechanical abuse journal September 2015
A lumped model of venting during thermal runaway in a cylindrical Lithium Cobalt Oxide lithium-ion cell journal March 2016
Modeling two-phase flow in three-dimensional complex flow-fields of proton exchange membrane fuel cells journal October 2017
Comprehensive gas analysis on large scale automotive lithium-ion cells in thermal runaway journal September 2018
Modeling liquid water re-distributions in bi-porous layer flow-fields of proton exchange membrane fuel cells journal October 2018
Decoupling of heat generated from ejected and non-ejected contents of 18650-format lithium-ion cells using statistical methods journal March 2019
Error of Darcy's law for serpentine flow fields: Dimensional analysis journal February 2019
Modelling and experiments to identify high-risk failure scenarios for testing the safety of lithium-ion cells journal March 2019
Numerical investigation of thermal runaway mitigation through a passive thermal management system journal July 2019
An experimental study on thermal runaway characteristics of lithium-ion batteries with high specific energy and prediction of heat release rate journal October 2020
Thermo-Electrochemical Stability Analytics of Electrode Materials journal November 2019
General model of coal devolatilization journal July 1988
Chemical percolation model for devolatilization. 2. Temperature and heating rate effects on product yields journal January 1990
Chemical percolation model for devolatilization. 3. Direct use of carbon-13 NMR data to predict effects of coal type journal July 1992
Kinetics of Thermal Decomposition of Pulverized Coal Particles journal October 1970
Fluid Flow through Randomly Packed Columns and Fluidized Beds journal June 1949
In-operando high-speed tomography of lithium-ion batteries during thermal runaway journal April 2015
Thermal runaway of commercial 18650 Li-ion batteries with LFP and NCA cathodes – impact of state of charge and overcharge journal January 2015
Development of turbulence models for shear flows by a double expansion technique journal July 1992
Simplified Reaction Mechanisms for the Oxidation of Hydrocarbon Fuels in Flames journal December 1981
Turbulence Modeling of Internal Combustion Engines Using RNG κ-ε Models journal January 1995
Experimental Quantification of Vent Mechanism Flow Parameters in 18650 Format Lithium Ion Batteries journal April 2019
Thermal Model of Cylindrical and Prismatic Lithium-Ion Cells journal January 2001
Preventing Cell-to-Cell Propagation of Thermal Runaway in Lithium-Ion Batteries journal January 2020
Transport Processes in a Li-ion Cell during an Internal Short-Circuit journal June 2020
Modelling Li-Ion Cell Thermal Runaway Triggered by an Internal Short Circuit Device Using an Efficiency Factor and Arrhenius Formulations journal January 2017
Modeling Vaporization, Gas Generation and Venting in Li-Ion Battery Cells with a Dimethyl Carbonate Electrolyte journal January 2017
Modeling Internal Shorting Process in Large-Format Li-Ion Cells journal January 2015
Modeling Nail Penetration Process in Large-Format Li-Ion Cells journal November 2014
LES and RNG Turbulence Modeling in DI Diesel Engines conference March 2003
Comparison of Linear, Non-Linear and Generalized RNG-Based k-epsilon Models for Turbulent Diesel Engine Flows conference April 2017

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