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Research Papers

Lithium-Ion Capacitor: Analysis of Thermal Behavior and Development of Three-Dimensional Thermal Model

[+] Author and Article Information
Gert Berckmans

Department of Electrical Engineering and
Energy Technology,
MOBI Research Group,
Vrije Universiteit Brussel,
Pleinlaan 2,
Brussels 1050, Belgium
e-mail: gberckma@vub.ac.be

Jan Ronsmans

JSR Micro NV,
Technologielaan 8,
Leuven 3011, Belgium

Joris Jaguemont, Ahmadou Samba, Noshin Omar, Omar Hegazy, Mahdi Soltani, Yousef Firouz, Peter van den Bossche, Joeri Van Mierlo

Department of Electrical Engineering and
Energy Technology,
MOBI Research Group,
Vrije Universiteit Brussel,
Pleinlaan 2,
Brussels 1050, Belgium

Manuscript received January 20, 2017; final manuscript received April 24, 2017; published online September 6, 2017. Assoc. Editor: Matthew Mench.

J. Electrochem. En. Conv. Stor. 14(4), 041005 (Sep 06, 2017) (8 pages) Paper No: JEECS-17-1010; doi: 10.1115/1.4037491 History: Received January 20, 2017; Revised April 24, 2017

The large push for more environmental energy storage solutions for the automotive industry by different actors has led to the usage of lithium-ion capacitors (LICs) combining the features of both lithium-ion batteries (LIBs) and electric-double layer capacitors (EDLCs). In this paper, the thermal behavior of two types of advanced LICs has been thoroughly studied and analyzed by developing a three-dimensional (3D) thermal model in COMSOL Multiphysics®. Such an extensive and accurate thermal 3D has not been fully addressed in literature, which is a key building block for designing battery packs with an adequate thermal management. After an extensive measurement campaign, the high accuracy of the developed model in this paper is proven for two types of LICs, the 3300 F and the 2300 F. An error between the simulation and measurements is maximum 2 °C. This 3D model has been developed to gain insight in the thermal behavior of LICs, which is necessary to develop a thermal management system, which can ensure the safe operation of LICs when used in modules or packs.

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References

Figures

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Fig. 1

Ragone plot: comparison LIBs versus LICs versus EDLCs

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Fig. 2

Geometric representation of the LIC

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Fig. 4

Load profile 1–100 A

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Fig. 5

Thermal capacitance of LIC based on load profile 1

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Fig. 6

Resistive conductivity of LIC based on load profile 1

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Fig. 7

Convection of LIC based on load profile 1

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Fig. 8

Heat source of LIC based on load profile 1

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Fig. 10

Meshing of the cell

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Fig. 11

Measured and simulated temperature at middle of the cell at 100 A–2300 F

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Fig. 12

3D simulation error at 100 A–2300 F

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Fig. 13

Measured and simulated temperature at middle of the cell at 50 A–2300 F

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Fig. 14

3D simulation error at 50 A–2300 F

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Fig. 15

Comparison between 3D model and thermal camera images at different time steps for the 2300 F cell based on the applied load profile 2: (a) 3D simulation of LIC at 1000 s, (b) thermal image of LIC at 1000 s, (c) 3D simulation of LIC at 5000 s, and (d) thermal image of LIC at 5000 s

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Fig. 16

Measured and simulated temperature at the middle of the cell at 100 A–3300 F

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Fig. 17

Measured and simulated temperature at the middle of the cell at 50 A–3300 F

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Fig. 18

3D simulation error at 100 A–3300 F

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Fig. 19

3D simulation error at 50 A–3300 F

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