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Technology for Estimation of Fuel Cell Stack Temperature Using Transient Heat Transfer Simulation in Cell Stacking Direction

Article of Honda R&D Technical Review Vol.31 No.2

Summary

A simulation of transient heat transfer in the cell stacking direction was developed that makes it possible to estimate the temperature of the MEA at different arbitrary stacking positions within the stack, including the case components and the end cells, at a high level of accuracy under all operating conditions that can be assumed for the vehicle environment. With regard to factors that have a considerable effect on the temperature of the MEA but necessitate a high volume of calculations, the introduction of a correction term based on fundamental data measured in a stack while generating power simplified the calculations. In addition, by contrast with conventional simulation technology, factors that have little effect on the temperature of the MEA were identified and omitted. These initiatives have made it possible to conduct coupled calculations for the constituent components of the stack without any decline in the accuracy of temperature estimations. It was verified that the simulation of transient heat transfer in the cell stacking direction was able to realize the target figure for temperature estimation accuracy of within ±5% against actual measurements for both steady-state stack generation conditions and stack warm-up mode, including transient states.

Reference

(1) Kimura, K., Kawasaki, T., Ohmura, T., Atsumi, Y., Shimizu, K.: Development of New Fuel Cell Vehicle CLARITY FUEL CELL, Honda R&D Technical Review, Vol. 28, No. 1, p. 1-8
(2) Chiba, H., Iwasawa, C.: Optimization of Fuel Cell Generation Environment by Water Observation using Neutron Radiography, Honda R&D Technical Review, Vol. 25, No. 1, p. 122-131
(3) Yoneda, M., Tago, Y., Suzuki, K., Takimoto, M., Ejiri, E.: Macroscopic Modeling and Simulation for Polymer Electrolyte Membrane Fuel Cells, ECS Transactions, Vol. 3, Issue 1, p. 1105-1114, (2006)
(4) Nagumo, K., Inoue, M.: Numerical Prediction of Water Content Distribution of Catalyst Coated Membrane of Fuel Cell Stack using Simulation, Honda R&D Technical Review, Vol. 28, No. 1, p. 26-33
(5) Yoneda, M., Yoshimura, H., Takayama, T., Motegi, H., Takayama, R., Kariya, N.: Prospects of Modeling and Simulation for Polymer Electrolyte Fuel Cell, Mizuhojohosoken Giho, Vol. 6, No. 1, p. 51-58, (2014) (in Japanese)
(6) Nonoyama, N., Ikogi, Y.: PEMFC model development for designing MEA: Model Validation and a Parameter Study for Low Humidity Operations, ECS Transactions, Vol. 16, Issue 2, PART 1, p.13-21, (2008)
(7) Yamamoto, K., Fujita, Y., Yasumoto, E., Sugawara, Y.: Multiscale Simulation for Fuel Cell, Panasonic Technical Journal, Vol. 63, No. 1, p. 72-77, (2017) (in Japanese)
(8) Takayama, T., Yoshimura, H., Tsukamoto, T., Motegi, H., Takayama, R., Yoneda, M.: Kotaikobunshigata Nenryodenchi Shimyureta “P-Stack4.0” Furusutakkuseino Kaisekio Jitsugensuru Senyosofutouea, Kurinenerugi, Vol. 26, No. 1, p. 1-8, (2017) (in Japanese)

Author (organization or company)

Kensuke UMEZAWA(Automobile Center)、Kosuke MATSUI(Automobile Center)、Yuta IKEDA(Automobile Center)

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