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Rapid Compressed Hydrogen Filling System for Fuel Cell Vehicle

Article of Honda R&D Technical Review Vol.15 No.1

Summary

A compressed gas system previously utilized in natural gas vehicles (NGV) was utilized in the Honda FCX. Rapid filling tests of the high-pressure hydrogen tanks of both Type 3 (Aluminum liner) and Type 4 (High Density Polyethylene) were carried out using compressed hydrogen gas. Type 3 tanks showed better performance. This result can be explained in terms of the difference in heat diffusion coefficient between aluminum and HDPE. The shortest filling time from 1MPa to 34.4MPa to enable a gas temperature increase (ΔT) of 45°C to be observed using Type 3 tanks with a total volume of 156.6 dm3 was found to be 3.6 min., almost the same as the refueling time of present gasoline vehicles.

Reference

(1) Kimura, Y.: Development of Fuel Cell Electric Vehicle, BATTERY TECHNOLOGY, Vol. 10, p. 160-168 (1998)
(2) Hasuike, H.: Report on Clean Energy Vehicles, Kiho Energy Sogo Kogaku, Vol. 23, p. 89-99 (2000)
(3) Kurabayashi, T., Terasaki, K., Nagai, N., Ito, K.: Kogyo Netsu Rikigaku, Asakura Shoten, p. 119 (1985)
(4) Newhouse, N., Liss, W.: Fast Filling of NGV Fuel Containers, 6E Paper 1999-01-3739
(5) The Japan Society of Mechanical Engineers: JSME Data Book Thermophysical Properties of Fluids, Maruzen, p. 547 (1991)

Author (organization or company)

Yasuki YOSHIDA(Wako Research Center)、Shuichi TOGASAWA(Wako Research Center)、Koichi TAKAKU(Wako Research Center)、Akira YAMADA(Wako Research Center)、Hirokazu KUWABARA(Wako Research Center)、Yoshio NUIYA(Wako Research Center)

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