Investigation of the Effect of State-of-Charge and C-Rates on the Heat Loss and Efficiency of a Lithium-Ion Battery

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Abstract

To comprehend the thermal behaviour, performance and the dependency of the affecting parameters such as state-of-charge and C-rates on the heat loss, efficiency, heat flux and maximum temperature of a commercial pouch type lithium-ion battery under various working conditions, different loading were applied to the battery. The capacity of the battery is 13Ah, which has a lithium titanate oxide based anode from Altairnano. Surface temperatures and heat flux of the Lithium-ion battery cell were measured by means of isothermal battery calorimeter. Different charge and discharge current pulses with different C-rates at ten state of charge (SOC) levels from 10% to 90% SOC were applied to the battery by using Maccor automated test system. It was concluded that heat losses demonstrated approximately decreasing pattern from 10 % SOC to 90% SOC.
Original languageEnglish
JournalECS Transactions
Volume87
Issue number1
Pages (from-to)51-58
Number of pages8
ISSN1938-6737
DOIs
Publication statusPublished - Aug 2018

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Heat losses
Heat flux
Calorimeters
Anodes
Lithium
Temperature
Oxides
Lithium-ion batteries
Hot Temperature

Cite this

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title = "Investigation of the Effect of State-of-Charge and C-Rates on the Heat Loss and Efficiency of a Lithium-Ion Battery",
abstract = "To comprehend the thermal behaviour, performance and the dependency of the affecting parameters such as state-of-charge and C-rates on the heat loss, efficiency, heat flux and maximum temperature of a commercial pouch type lithium-ion battery under various working conditions, different loading were applied to the battery. The capacity of the battery is 13Ah, which has a lithium titanate oxide based anode from Altairnano. Surface temperatures and heat flux of the Lithium-ion battery cell were measured by means of isothermal battery calorimeter. Different charge and discharge current pulses with different C-rates at ten state of charge (SOC) levels from 10{\%} to 90{\%} SOC were applied to the battery by using Maccor automated test system. It was concluded that heat losses demonstrated approximately decreasing pattern from 10 {\%} SOC to 90{\%} SOC.",
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language = "English",
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journal = "ECS Transactions",
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Investigation of the Effect of State-of-Charge and C-Rates on the Heat Loss and Efficiency of a Lithium-Ion Battery. / Madani, Seyed Saeed; Schaltz, Erik; Kær, Søren Knudsen.

In: ECS Transactions, Vol. 87, No. 1, 08.2018, p. 51-58.

Research output: Contribution to journalJournal articleResearchpeer-review

TY - JOUR

T1 - Investigation of the Effect of State-of-Charge and C-Rates on the Heat Loss and Efficiency of a Lithium-Ion Battery

AU - Madani, Seyed Saeed

AU - Schaltz, Erik

AU - Kær, Søren Knudsen

PY - 2018/8

Y1 - 2018/8

N2 - To comprehend the thermal behaviour, performance and the dependency of the affecting parameters such as state-of-charge and C-rates on the heat loss, efficiency, heat flux and maximum temperature of a commercial pouch type lithium-ion battery under various working conditions, different loading were applied to the battery. The capacity of the battery is 13Ah, which has a lithium titanate oxide based anode from Altairnano. Surface temperatures and heat flux of the Lithium-ion battery cell were measured by means of isothermal battery calorimeter. Different charge and discharge current pulses with different C-rates at ten state of charge (SOC) levels from 10% to 90% SOC were applied to the battery by using Maccor automated test system. It was concluded that heat losses demonstrated approximately decreasing pattern from 10 % SOC to 90% SOC.

AB - To comprehend the thermal behaviour, performance and the dependency of the affecting parameters such as state-of-charge and C-rates on the heat loss, efficiency, heat flux and maximum temperature of a commercial pouch type lithium-ion battery under various working conditions, different loading were applied to the battery. The capacity of the battery is 13Ah, which has a lithium titanate oxide based anode from Altairnano. Surface temperatures and heat flux of the Lithium-ion battery cell were measured by means of isothermal battery calorimeter. Different charge and discharge current pulses with different C-rates at ten state of charge (SOC) levels from 10% to 90% SOC were applied to the battery by using Maccor automated test system. It was concluded that heat losses demonstrated approximately decreasing pattern from 10 % SOC to 90% SOC.

U2 - 10.1149/08701.0051ecst

DO - 10.1149/08701.0051ecst

M3 - Journal article

VL - 87

SP - 51

EP - 58

JO - ECS Transactions

JF - ECS Transactions

SN - 1938-6737

IS - 1

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