Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
7732425 | Journal of Power Sources | 2015 | 9 Pages |
Abstract
A lumped (0-D) numerical model has been developed for simulating the thermal response of a lithium-ion battery pack with a phase-change composite (PCCâ¢) thermal management system. A small 10s4p battery pack utilizing PCC material was constructed and subjected to discharge at various C-rates in order to validate the lumped model. The 18650 size Li-ion cells used in the pack were electrically characterized to determine their heat generation, and various PCC materials were thermally characterized to determine their apparent specific heat as a function of temperature. Additionally, a 2-D FEA thermal model was constructed to help understand the magnitude of spatial temperature variation in the pack, and to understand the limitations of the lumped model. Overall, good agreement is seen between experimentally measured pack temperatures and the 0-D model, and the 2-D FEA model predicts minimal spatial temperature variation for PCC-based packs at C-rates of 1C and below.
Related Topics
Physical Sciences and Engineering
Chemistry
Electrochemistry
Authors
Ben Schweitzer, Stephen Wilke, Siddique Khateeb, Said Al-Hallaj,