Hydrogen blower design for fuel cell recirculation applications

independent assessment report

Publisher: California Energy Commission in [Sacramento, Calif.]

Written in English
Published: Downloads: 973
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Subjects:

  • Fuel cells -- Research,
  • Hydrogen as fuel -- Research
  • Edition Notes

    Statementprepared for California Energy Commission, Public Interest Energy Research Program, Energy Innovations Small Grants Program ; [prepared by Rob Queen].
    ContributionsQueen, Rob., California Energy Commission. Public Interest Energy Research., California Energy Commission. Energy Innovations Small Grant Program., San Diego State University. Foundation.
    Classifications
    LC ClassificationsTK2931 .H955 2007
    The Physical Object
    Pagination1 v. (various pagings) :
    ID Numbers
    Open LibraryOL22545094M
    LC Control Number2008397088

Fuel cells are emerging as alternate green power producers for both large power production and for use in automobiles. Hydrogen is seen as the best option as a fuel; however, hydrogen fuel cells require recirculation of unspent hydrogen. A supersonic ejector is an apt device for recirculation in the operating regimes of a hydrogen fuel :// Abstract. Hydrogen fuel cell systems (FCSs) represent very promising on-board power generators in hybrid electric vehicles, as they can effectively exploit both the environmental benefits of the fuel and the high efficiency of the electro-chemical :// Ahn, Jong-Woo, He, Jinglin, and Choe, Song-Yul. "Design of Air, Water, Temperature and Hydrogen Controls for a PEM Fuel Cell System." Proceedings of the ASME 9th International Conference on Fuel Cell Science, Engineering and Technology collocated with ASME 5th International Conference on Energy :// the hydrogen cools the motor from the inside and can increase the efficiency of the recirculation blower because magnetic and iron losses are greatly minimized. the recirculation circuit can be controlled precisely and in accordance with the power requirement, which reduces the hydrogen consumption of the fuel ://

  Fuel Cell System Optimization for Rail and Maritime Applications R. K. Ahluwalia, X. Wang, J-K Peng, and D. Papadias U.S. DOE Hydrogen and Fuel Cells Program Annual Merit Review and Peer Evaluation Meeting Washington, D.C. May 19 - 21, This presentation does not contain any proprietary, confidential, or otherwise restricted ://   G+L innotec is now expanding to include hydrogen applications, thus spanning the arc to electric mobility. The joint project “Recirculation blower development for fuel cell technology” (REZEBT) together with The Institute of Turbomachinery and Fluid Dynamics (TFD) at the Leibniz University of Hannover (LUH), The hydrogen and fuel cell   First flight on fuel cell with new systems • Chart 26 > Fuel Cells for Aircraft Application > K. A. Friedrich > Hamburg 1: Zweibrücken Abstract. A 3D Computational Fluid Dynamics (CFD) analysis has been carried out to better understand the internal fluid dynamics of a regenerative blower used for hydrogen recirculation in a Proton Exchange Membrane (PEM), Fuel Cell (FC) utilized for automotive ://

There is a wide range of applications for fuel cells; Transportation, Marine, Off-Grid, Stationary, Data centers and Energy storage for Renewable Energy systems. SRM has more than 30 years experience in developing and manufacturing compressors for fuel :// In this study, fuel, oxidant supply and cooling systems with microcontroller units (MCU) are developed in a compact design to fit two 5 kW proton exchange membrane fuel cell (PEMFC) stacks. At the initial stage, the testing facility of the system has a large volume ( m × m × m) with a longer pipeline and excessive control sensors for safe ://   FLOXfi Reformer Hydrogen for Fuel Cells H.-P. Schmid This document appeared in Detlef Stolten, Thomas Grube (Eds.): 18th World Hydrogen Energy Conference - WHEC Parallel Sessions Book 3: Hydrogen Production Technologies - Part 2   blower for a PEMFC stack as a fuel efficiency configuration because the hydrogen recirculation is dependent on the current load. At a low current load, a low-pressure regulator was used to independently supply the hydrogen and keep the input gas pressure nearly constant, while a blower was used to re-circulate the hydrogen exhausted from the ://

Hydrogen blower design for fuel cell recirculation applications Download PDF EPUB FB2

Barber-Nichols Inc. (BNI) makes small, efficient, high-speed Hydrogen Recirculation Compressors for automotive and aerospace applications. These compressors increase fuel cell efficiency by recirculating hydrogen that was not utilized when it passed through the fuel ://   HIBLOW Hydrogen Recirculation Blower The HRB is built with our durable and proven linear design, while tailored specifically for hydrogen.

HIBLOW has provided hundreds of thousands of component pumps to fuel cell integrators installing systems as a part of the EneFarm project. We began the development of our Hydrogen Recirculation Blower   The anode recirculation blower is a key component in the hydrogen path of a fuel-cell system.

It is actuated via a CAN interface and conveys, in combination with a jet pump, the hydrogen that has not been consumed (due to an operating surplus) from the stack and back to the hydrogen :// /anode-recirculation-blower. At the 12 th International Automotive Congress in Shanghai, southern China, Rheinmetall Automotive received an award for its new hydrogen recirculation blower.

It provides CAN communication. The awarded product (Source: Rheinmetall Automotive) With the Automotive Technology Innovation Award for this fuel-cell driveline component, with the support of an online vote the jury honored A hydrogen recirculation blower for a fuel cell vehicle includes an ejector integrated with a housing of the blower.

An integrated hydrogen recirculation blower for a fuel cell vehicle includes: a blower housing including an inlet and an outlet formed on a top surface thereof; an impeller rotatably installed inside the blower housing; a motor connected to a rear end of the impeller to rotate Designed specifically for incoming gas delivery for hydrogen fuel cell systems, including PEM fuel cells and Solid Oxide fuel cells; Designed for 24VDC system applications using a PWM pump controller.

Pumps equipped with thermal overload protection. Designed and built for continuous operation   In Air Squared released its first scroll compressor specifically designed for fuel cell applications, the P32H58N Today, extensive development has given way to a full line of low-pressure, high-efficiency, oil-free scroll compressors for fuel cell applications, positioning Air Squared as the leader in compressor solutions for PEM fuel cell ://   The hydrogen supply and recirculation unit is of considerable importance in a PEMFC system, wherein hydrogen is usually provided by a pump or an ejector [].Studies have shown that the ejector can circulate the hydrogen in a PEMFC system without consuming additional energy; furthermore, it has great utility value for fuel cell stacks even with drawbacks such as noise and high sensitivity to   Ogura manufactures a line of High Efficiency Wet Hydrogen and Air pumps used in Fuel Cell and Emission Control applications.

Based upon Wankel sealing technology, Ogura blowers come in sizes from 20 cc/rev through 2, cc/rev, with speeds up to 20, :// Zusammenfassung. The electrochemical compressor is a new and promising technology of hydrogen circulation in fuel cell vehicles.

With its almost isothermal operation, modular design and high efficiency compared to mechanical compressors, the device can operate Fuel Cell Stacks - Fuel Cell Stacks - 5W to Fuel Cell Stacks - W to Fuel Cell Stacks - 1kW to 10kW Fuel Cell Stacks - PEM Fuel Cells for Drones, UAVs, and Robotics - Fuel Cell Stack Accessories; Fuel Cell Testing - Fixed Testing Systems - Liquid and Gas Delivery Systems - Fuel Cell Testing Hardware - Modular Testing Systems These devices are also finding applications as Hydrogen Pumps, natural gas boosters, and ballast purge pumps for marine applications.

Most hydrogen fuel cells use PEM or proton exchange membranes. Precision control of; air flow, pressure and humidity are required to have the chemistry of a fuel cell work to generate ://   Three-dimensional CFD Modelling of a Roots Blower for Hydrogen Recirculation in Fuel Cell System Linfen Xing 1,2, Yongning He 2, Jie Wen 1, Xueyuan Peng 1* 1School of Energy and Power Engineering, Xi’an Jiaotong University Xi’an, Shaanxi, China (,[email protected])?article=&context=icec.

The joint project “Recirculation blower development for fuel cell technology” together with The Institute of Turbomachinery and Fluid Dynamics (TFD) at the Leibniz University of Hannover (LUH), The hydrogen and fuel cell center ZBT GmbH, Duisburg, and G+L innotec, is to be completed by High hydrogen tightness due to new recirculation blower.

Fuel cell systems have a recirculation system for unused hydrogen on the anode side. An active blower is often used for this purpose, which must function safely and efficiently even at high concentrations of :// Fuel cell systems have a recirculation system for unused hydrogen on the anode side.

An active blower is often used for this purpose, which must function safely and efficiently even at high   This type of system layout utilizes a recirculation pump to circulate unused hydrogen to the fuel cell stake inlet. The hydrogen utilization of this design is higher than those of the first two designs.

An anode passive recirculation system is shown in Fig. 1(d). This layout circulates unused hydrogen to the fuel cell stake inlet through an The fuel management subsystem has a hydrogen blower as a major component and two ejectors (see Figure 1).

Cost Analysis of PEM Fuel Cell Systems for Transportation: Septem Power density, platinum cost, platinum loading, Nafion cost, graphite cost, carbon cloth cost, nitrile rubber cost, CEM cost, hydrogen blower cost, and radiator  › HOME › PRODUCTS & SERVICES.

in commercial kW fuel cell systems. •Material alternative to Nafion identified and proven humidifier design ready for mass manufacturing at very competitive cost.

•Novel and proven design for hydrogen recirculation blower. • kW fuel cell systems more efficient and less expensive to be used in back-up applications :// (ID ) (ID. Kim, Young-Hoon, and Kang, Shin-Hyoung. "Performance Evaluation of a Regenerative Blower for Hydrogen Recirculation Application in Fuel Cell Vehicles." Proceedings of the ASME 2nd Joint U.S.-European Fluids Engineering Summer Meeting Collocated With the 14th International Conference on Nuclear Engineering.

Volume 2: Fora. Miami, Florida, :// Fuel cell units can be in a size range from 5 W to kW and more, and can be implemented into power generators, combined heat and power systems (CHP) and in uninterruptible power systems (UPS). Successful deployments of hydrogen technologies have found place in vehicles, such as forklift trucks, buses, ferries and small ://   Air Squared senior engineers are developing high-reliability oxygen and hydrogen fuel cell recirculation pumps for a lighter-than-air aircraft application.

The unit must be light weight and capable of 10 years of unattended operation. The unit become part of a growing line of scroll units designed for fuel cell :// Hydrogen fuel cells do not exactly have a reputation for particularly high energy efficiency. A research project coordinated by G+L innotec GmbH is to change that: A recirculation blower is to improve the utilization of the hydrogen.

At the same time, the blower is to improve the reliability and service life of the fuel cell and reduce operating :// Fuel-cell challenges. Within the fuel cell, the presence of de-ionized water and hydrogen places special demands on the materials used, particularly with regard to resistance and the hydrogen tightness of the components.

Pierburg is applying its combustion engine expertise in pumps and valves to provide a range of products for fuel-cell ://   comprises a CEM module. Fuel management consists of a hydrogen recirculation blower and hydrogen ejectors.

We used experience-based estimates for the minor BOP components such as radiator fan, coolant pump, enthalpy wheel motor, hydrogen ejectors, sensors, controls, valves and regulators, all of which are assumed to be purchased   A hydrogen recirculation blower for a fuel cell vehicle includes an ejector integrated with a housing of the blower.

An integrated hydrogen recirculation blower for a fuel cell vehicle includes: a blower housing including an inlet and an outlet formed on a top surface thereof; an impeller rotatably installed inside the blower housing; a motor connected to a rear end of the impeller to rotate   AVL offers customer specifi c Fuel Cell blower devel-opment for both SOFC and PEM Fuel Cell systems.

Our blower design aims at compactness and high effi ciency fulfi lling all customer specifi cations. AVL Fuel Cell Blower features: • Customized solutions for air compressors, hydrogen- or anode recirculation blowers+Fuel+Cell+Engineering+and+Testing.

Based on these considerations, a centrifugal compressor for 65 kW fuel cell stack is designed to demonstrate these design strategies, CFD simulation and test results show that the extended flow   What is claimed is: 1. An ejector for a fuel cell system, the ejector comprising: an ejector body having a hydrogen outlet on a front end and a recirculation hydrogen inlet on a rear end; and a nozzle installed in the ejector body to communicate with a flow control valve for controlling a supply of hydrogen, wherein the nozzle comprises: a nozzle body having a hydrogen flow path; and a nozzle On the basis of on-road energy consumption, fuel economy (FE) of hydrogen fuel cell light-duty vehicles is projected to be – times the fuel economy of the conventional gasoline internal.

recirculation blower can improve your fuel cell performance. Liquid-Cooled Blower Nichols Integrated CAN Controller Cooling Fins Hermetic Feedthrough Bearings High Speed rushless DC Motor Bearings Impeller Barber West 55th Avenue Arvada, CO USA Phone Fax   The hydrogen stored in the tank is supplied to the anode of the stack by a fuel delivery system (FDS) that is comprised of supply and recirculation lines controlled by different actuators.

Design of such a system and its operation should take into account several aspects, particularly efficient fuel usage and safe operation of the ~choeson/Publication/__Analysis and control of a hybrid fuel.BC Transit’s fleet of 20 hydrogen fuel cell buses is the largest single deployment of zero-emission fuel cell buses worldwide.

Fuel cell buses are zero-emission vehicles, with no greenhouse gases, particulates, or harmful emissions released during operation. The outcome of this cooperation is the TX04U-MA Hydrogen Recirculation Blower