Comparison of lithium-ion battery performance at beginning-of-life and end-of-life

Ana-Irina Stroe, Vaclav Knap, Daniel-Ioan Stroe

Research output: Contribution to journalConference article in JournalResearchpeer-review

5 Citations (Scopus)

Abstract

In this paper, a comparison between the performance of a Lithium-ion battery at beginning-of-life (BOL) and at two increased degradation levels is presented. The capacity, internal resistance, and open circuit voltage of a 13Ah high-power Lithium-ion battery had been measured at BOL for different temperatures, C-rates, and state-of-charge (SOC) levels. Then, two battery cells were aged at two different cycle aging conditions until they lost 40% and 60% of their initial capacity, respectively. At that moment, the two battery cells were removed from the aging processes and were subjected to characterization measurements similar to the ones performed at BOL. The obtained results shown that besides the expected capacity fade and internal resistance increase, there is a dramatic change in the variation of the battery performance parameters with the temperature, C-rate, and/or SOC, between a fresh cell and the two heavily degraded cells.
Original languageEnglish
JournalMicroelectronics Reliability
Volume88-90
Pages (from-to)1251-1255
Number of pages5
ISSN0026-2714
DOIs
Publication statusPublished - Sep 2018
Event29th European Symposium on Reliability of Electron Devices, Failure Physics and Analysis - AKKC, Aalborg, Denmark
Duration: 1 Oct 20185 Oct 2018
Conference number: 29th
http://www.esref2018conf.org/

Conference

Conference29th European Symposium on Reliability of Electron Devices, Failure Physics and Analysis
Number29th
LocationAKKC
CountryDenmark
CityAalborg
Period01/10/201805/10/2018
Internet address

Fingerprint

electric batteries
lithium
Aging of materials
Open circuit voltage
ions
cells
Degradation
Temperature
open circuit voltage
Lithium-ion batteries
degradation
moments
cycles
temperature

Keywords

  • Lithium-ion battery
  • Degradation
  • Capacity fade
  • Performance behavior

Cite this

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title = "Comparison of lithium-ion battery performance at beginning-of-life and end-of-life",
abstract = "In this paper, a comparison between the performance of a Lithium-ion battery at beginning-of-life (BOL) and at two increased degradation levels is presented. The capacity, internal resistance, and open circuit voltage of a 13Ah high-power Lithium-ion battery had been measured at BOL for different temperatures, C-rates, and state-of-charge (SOC) levels. Then, two battery cells were aged at two different cycle aging conditions until they lost 40{\%} and 60{\%} of their initial capacity, respectively. At that moment, the two battery cells were removed from the aging processes and were subjected to characterization measurements similar to the ones performed at BOL. The obtained results shown that besides the expected capacity fade and internal resistance increase, there is a dramatic change in the variation of the battery performance parameters with the temperature, C-rate, and/or SOC, between a fresh cell and the two heavily degraded cells.",
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author = "Ana-Irina Stroe and Vaclav Knap and Daniel-Ioan Stroe",
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Comparison of lithium-ion battery performance at beginning-of-life and end-of-life. / Stroe, Ana-Irina; Knap, Vaclav; Stroe, Daniel-Ioan.

In: Microelectronics Reliability, Vol. 88-90, 09.2018, p. 1251-1255.

Research output: Contribution to journalConference article in JournalResearchpeer-review

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AU - Stroe, Ana-Irina

AU - Knap, Vaclav

AU - Stroe, Daniel-Ioan

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N2 - In this paper, a comparison between the performance of a Lithium-ion battery at beginning-of-life (BOL) and at two increased degradation levels is presented. The capacity, internal resistance, and open circuit voltage of a 13Ah high-power Lithium-ion battery had been measured at BOL for different temperatures, C-rates, and state-of-charge (SOC) levels. Then, two battery cells were aged at two different cycle aging conditions until they lost 40% and 60% of their initial capacity, respectively. At that moment, the two battery cells were removed from the aging processes and were subjected to characterization measurements similar to the ones performed at BOL. The obtained results shown that besides the expected capacity fade and internal resistance increase, there is a dramatic change in the variation of the battery performance parameters with the temperature, C-rate, and/or SOC, between a fresh cell and the two heavily degraded cells.

AB - In this paper, a comparison between the performance of a Lithium-ion battery at beginning-of-life (BOL) and at two increased degradation levels is presented. The capacity, internal resistance, and open circuit voltage of a 13Ah high-power Lithium-ion battery had been measured at BOL for different temperatures, C-rates, and state-of-charge (SOC) levels. Then, two battery cells were aged at two different cycle aging conditions until they lost 40% and 60% of their initial capacity, respectively. At that moment, the two battery cells were removed from the aging processes and were subjected to characterization measurements similar to the ones performed at BOL. The obtained results shown that besides the expected capacity fade and internal resistance increase, there is a dramatic change in the variation of the battery performance parameters with the temperature, C-rate, and/or SOC, between a fresh cell and the two heavily degraded cells.

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