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Energies 2016, 9(4), 281; doi:10.3390/en9040281

Vibration Durability Testing of Nickel Cobalt Aluminum Oxide (NCA) Lithium-Ion 18650 Battery Cells

1
Warwick Manufacturing Group (WMG), University of Warwick, Coventry CV4 7AL, UK
2
Jaguar Land Rover, Banbury Road, Warwick CV35 0XJ, UK
*
Author to whom correspondence should be addressed.
Academic Editors: Michael Gerard Pecht and Ximing Cheng
Received: 11 February 2016 / Revised: 2 April 2016 / Accepted: 5 April 2016 / Published: 12 April 2016
View Full-Text   |   Download PDF [1196 KB, uploaded 12 April 2016]   |  

Abstract

This paper outlines a study undertaken to determine if the electrical performance of Nickel Cobalt Aluminum Oxide (NCA) 3.1 Ah 18650 battery cells can be degraded by road induced vibration typical of an electric vehicle (EV) application. This study investigates if a particular cell orientation within the battery assembly can result in different levels of cell degradation. The 18650 cells were evaluated in accordance with Society of Automotive Engineers (SAE) J2380 standard. This vibration test is synthesized to represent 100,000 miles of North American customer operation at the 90th percentile. This study identified that both the electrical performance and the mechanical properties of the NCA lithium-ion cells were relatively unaffected when exposed to vibration energy that is commensurate with a typical vehicle life. Minor changes observed in the cell’s electrical characteristics were deemed not to be statistically significant and more likely attributable to laboratory conditions during cell testing and storage. The same conclusion was found, irrespective of cell orientation during the test. View Full-Text
Keywords: vehicle vibration; electric vehicle (EV); lithium-ion battery ageing; Noise Vibration and Harshness (NVH); durability vehicle vibration; electric vehicle (EV); lithium-ion battery ageing; Noise Vibration and Harshness (NVH); durability
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MDPI and ACS Style

Hooper, J.M.; Marco, J.; Chouchelamane, G.H.; Lyness, C.; Taylor, J. Vibration Durability Testing of Nickel Cobalt Aluminum Oxide (NCA) Lithium-Ion 18650 Battery Cells. Energies 2016, 9, 281.

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