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Sodium borohydride (NaBH4) is attractive as fuel for fuel cell hybrid electric vehicle (FCHEV) because of its high energy density. The authors have proposed and made a hydrogen generation system which uses sodium borohydride as fuel before now. However, as for this system, there has been a problem in the velocity of hydrogen generation under low-temperature water environment. This paper examined citric...
Fuel cell has a lot of advantages like zero emission, high efficiency, little noise, and extremely low vibration. So, it is considered as a suitable alternative source for the portable power supply. However, it needs to be made up for the weak points such as high cost and slow dynamic response. As a representative useful solution to remedy fuel cell's shortcomings, battery is being utilized in various...
In this paper, implementation results of two different topologies for a fuel cell-supercapacitor (SC) hybrid system are presented. In first topology, the SC bank is connected to a low voltage DC-bus while in the second one, it is connected to a high voltage DC-bus through a DC-DC converter. The energy management is carried out in both the topologies with the same control method based on notion of...
This paper presents the integration of the Fuel Cell (FC) and the SuperCapacitors (SC) in the distributed energy generation system such as the transport applications. This proposal is due to the present trend in the transport applications, knowing that the major drawback for these applications is the energetic autonomy problem. In this context, using the Fuel Cell and the SuperCapacitors with a performing...
This paper deals the energy management method between the lithium-battery and the fuel cell for the Electric Vehicles (EV) applications. This idea is due to the present trend in the EV applications, knowing that the major drawback in these last one is the energetic autonomy problems. In this context, using the lithium-battery and the fuel cell with a good strategy for energy management is a promising...
Distributed generation (DG) and microgrid will play important roles in the future electric network operations. They could improve energy efficiency, minimize environmental impacts and enhance power system reliability. A power scheduling approach considering load/generation changes and time of use (TOU) tariff for a low voltage DC microgrid incorporating energy storage battery, fuel cell and photovoltaic...
The mixed reactant direct methanol fuel cell (MRFC) requires reaction selective electrocatalysts. We prepared the Co-C-N electrocatalyst by a reactive sputtering method and tested for the oxygen reduction and methanol oxidation reactions. The prepared Co-C-N electrocatalyst at 773 K had a high activity and selectivity for the oxygen reduction in the presence of methanol.
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