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Title: A representative-sandwich model for simultaneously coupled mechanical-electrical-thermal simulation of a lithium-ion cell under quasi-static indentation tests

Journal Article · · Journal of Power Sources
 [1];  [2];  [1];  [2]
  1. National Renewable Energy Lab. (NREL), Golden, CO (United States). Computational Science Center
  2. National Renewable Energy Lab. (NREL), Golden, CO (United States). Transportation and Hydrogen Systems Center
+ Show Author Affiliations

The safety behavior of lithium-ion batteries under external mechanical crush is a critical concern, especially during large scale deployment. We previously presented a sequentially coupled mechanical-electrical-thermal modeling approach for studying mechanical abuse induced short circuit. Here in this work, we study different mechanical test conditions and examine the interaction between mechanical failure and electrical-thermal responses, by developing a simultaneous coupled mechanical-electrical-thermal model. The present work utilizes a single representative-sandwich (RS) to model the full pouch cell with explicit representations for each individual component such as the active material, current collector, separator, etc. Anisotropic constitutive material models are presented to describe the mechanical properties of active materials and separator. The model predicts accurately the force-strain response and fracture of battery structure, simulates the local failure of separator layer, and captures the onset of short circuit for lithium-ion battery cell under sphere indentation tests with three different diameters. Electrical-thermal responses to the three different indentation tests are elaborated and discussed. Lastly, numerical studies are presented to show the potential impact of test conditions on the electrical-thermal behavior of the cell after the occurrence of short circuit.

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); USDOE Office of Energy Efficiency and Renewable Energy (EERE), Office of Sustainable Transportation. Vehicle Technologies Office (VTO); USDOE Office of Energy Efficiency and Renewable Energy (EERE)
Grant/Contract Number:
AC36-08GO28308; WBS1.1.2.406
OSTI ID:
1225311
Alternate ID(s):
OSTI ID: 1250161
Report Number(s):
NREL/JA-2C00-64882
Journal Information:
Journal of Power Sources, Vol. 298, Issue C; ISSN 0378-7753
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 86 works
Citation information provided by
Web of Science

References (23)

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Cited By (12)

Mechanical deformation effects on ion conduction in stretchable polymer electrolytes journal August 2018
Accelerate Battery Safety Simulations Using Composite Tshell Elements journal January 2018
A Multiphysics Computational Framework for Cylindrical Battery Behavior upon Mechanical Loading Based on LS-DYNA journal January 2019
Dynamic behavior and modeling of prismatic lithium‐ion battery journal December 2019
A review on research status and key technologies of battery thermal management and its enhanced safety journal July 2018
Dynamic mechanical behavior of prismatic lithium‐ion battery upon impact journal August 2019
The indentation analysis triggering internal short circuit of lithium-ion pouch battery based on shape function theory journal May 2018
Resistance exterior force property of lithium‐ion pouch batteries with different positive materials journal May 2019
Safety modelling and testing of lithium-ion batteries in electrified vehicles journal April 2018
Review—Understanding the Thermal Runaway Behavior of Li-Ion Batteries through Experimental Techniques journal January 2019
Communication—Indentation of Li-Ion Pouch Cell: Effect of Material Homogenization on Prediction of Internal Short Circuit journal January 2016
Boosting Rechargeable Batteries R&D by Multiscale Modeling: Myth or Reality? journal March 2019

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25 ENERGY STORAGE
lithium ion batteries
short circuit
multi-physics simulation
mechanical crush
temperature ramp
indentation