Accelerated Test Methods for Life Estimation of High-Power Lithium-Ion Batteries

Accelerated Test Methods for Life Estimation of High-Power Lithium-Ion Batteries

We proposed accelerated life estimation test methods for high-power lithium-ion batteries used in electrical vehicle. The effects of temperature and state of charge on the degradation of full-scale prototype cells (>5 Ah) were investigated from the viewpoints of capacity performance and output pe...

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Veröffentlicht in:Denki kagaku oyobi kōgyō butsuri kagaku 2010/05/05, Vol.78(5), pp.384-386
Hauptverfasser: MITA, Yuichi, SEKI, Shiro, TERADA, Nobuyuki, KIHIRA, Nobuo, TAKEI, Katsuhito, MIYASHIRO, Hajime
Format: Artikel
Sprache:eng
Schlagworte:
Accelerated Life Estimation
Accelerated tests
Capacity
Charge
Charge (electric)
Charging
Current carriers
Input/Output Property
Lithium-ion batteries
Lithium-Ion Secondary Battery
Prototypes
Vehicles
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Beschreibung
Zusammenfassung:We proposed accelerated life estimation test methods for high-power lithium-ion batteries used in electrical vehicle. The effects of temperature and state of charge on the degradation of full-scale prototype cells (>5 Ah) were investigated from the viewpoints of capacity performance and output performance by carrying out storage tests over more than 100 days. The most appropriate charging method during storage was also investigated.
ISSN:1344-3542
2186-2451
DOI:10.5796/electrochemistry.78.384