Bulletin of the American Physical Society
APS March Meeting 2019
Volume 64, Number 2
Monday–Friday, March 4–8, 2019; Boston, Massachusetts
Session F47: Energy Storage: Li Ion Batteries
11:15 AM–2:15 PM,
Tuesday, March 5, 2019
BCEC
Room: 213
Sponsoring
Unit:
GERA
Chair: Sarbajit Banerjee, Texas A&M Univ
Abstract: F47.00015 : Infrared Imaging of Batteries During Charging by Magnetic Augmented Rotational System (MARS)
2:03 PM–2:15 PM
Presenter:
Ravindra Nuggehalli M
(New Jersey Institute of Technology)
Authors:
Laila Alqarni
(New Jersey Institute of Technology)
Vishwas Danthi Shivaram
(New Jersey Institute of Technology)
Navjot S Panchhi
(New Jersey Institute of Technology)
Shuang due
(New Jersey Institute of Technology)
Tien See Chow
(ETD Inc.)
Ravindra Nuggehalli M
(New Jersey Institute of Technology)
Modern-day rechargeable batteries such as lithium-ion based batteries exhibit major benefits over previous iterations. Their longer-useful & higher-cycle life without significant loss of capacity makes them suitable for the current market. Downside, Li-ion batteries require sophisticated voltage management systems to prolong their life and stop thermal runaway. Safety is a major concern for large-scale Li-ion batteries.
In our study, we use Infrared Thermography (IT) to monitor, map and interpret the thermal behavior of batteries during charging/discharging with the electromagnetic contactless gear system that charges the batteries (Magnetic Augmented Rotation System-MARS). Data relating to heat generation and the internal and external heat transfer obtained from IT will be utilized for a detailed analysis of the heat distribution in the system, as well as to identify and locate areas of excess heat.
As increased heating is a signal of non-uniform distribution of charge/failure, infrared is the best diagnostic tool to identify these hot spots in the early stages of degeneration. Experimental and analytical techniques will be used to construct a model for charge transfer and the associated thermal map.
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