Forecast of Performance Parameters of Automotive Fuel Cell Systems – Delphi Study Results

Thoennes, M.; Busse, Alexander; Eckstein, Lutz

doi:10.1002/fuce.201400035

Cited by 13 publications

(9 citation statements)

References 10 publications

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“…[86][87][88][89] The cost-effective of the screen-printing method is the simple and convenient option for the fabrication of SOFC components for an anode, electrolyte, and cathode, as illustrated in Figure 4 . The simple, easy and economical method of SOFC component fabrication is urgent for the commercialization stage .…”

Section: Screen-printing Methodsmentioning

confidence: 99%

“…The simple, easy and economical method of SOFC component fabrication is urgent for the commercialization stage . [86][87][88][89] The cost-effective of the screen-printing method is the simple and convenient option for the fabrication of SOFC components for an anode, electrolyte, and cathode, as illustrated in Figure 4 . 91,92 In addition, the ability of screen-printing method to provide thin ceramic film in the range 10-100 μm leads this method potentially beneficial for the development of simple design SOFCs.…”

Section: Screen-printing Methodsmentioning

confidence: 99%

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A review of solid oxide fuel cell component fabrication methods toward lowering temperature

et al. 2019

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The solid oxide fuel cells (SOFCs) emerge as an alternative power generation system for high-scale stationary application and power plant station. The SOFC consumption leads to the high-efficiency energy production that forms variety of fuels up to 60% energy conversion; the operation system does not involve the burning process and minimizes the air pollution. Also, the aptitude to provide the cogenerative energy production from the heat waste during the operation process serve SOFC as an attractive green technology and environmentally friendly. However, the SOFC consumption remains limited for transportation and portable applications because the simple design of power source compartment is still the major hurdle in each SOFC component development and commercialization. Therefore, the appropriate fabrication method of each SOFC component is important to achieve the reliability of the SOFC application for the small-scale power generation design. In this paper, an overview of the design types and SOFC components and properties following electrode, electrolyte, interconnect and sealant are discussed and summarized. As the thirdgeneration fuel cells, which entice the commercialization stage, this paper concentrates more on the fabrication method of each SOFC components that were explored including the working principle, advantage, disadvantage and several previous works on each fabrication method, which are described to finding the appropriate fabrication method toward lowering the operating temperature and develop the simple design of SOFC power sources system for the transportation and portable application. The targeted market power production of SOFC system for transportation application is about 5 kW and 250 W for portable application.

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Section: Screen-printing Methodsmentioning

confidence: 99%

Section: Screen-printing Methodsmentioning

confidence: 99%

A review of solid oxide fuel cell component fabrication methods toward lowering temperature

et al. 2019

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“…The power converters are mandatory in fuel cell systems in order to meet the needs of the electrical applications. Furthermore, the reliability is crucial so that the FCEV can access to the mass automotive market in the future by replacing the conventional vehicles based on internal combustion engines . DC/DC converters are considered as the most important failure sources in PEMFC systems , .…”

Section: Reliability and Current Ripple Issues In Fcev Applicationsmentioning

confidence: 99%

“…Such DC/DC converter is mandatory not only to increase the fuel cell stack voltage but also for voltage conditioning since the fuel cell stack voltage varies strongly according to the load. In electric vehicle applications, the components of the powertrain are subjected to different physical constraints such as weight and size under limited cost and expected lifetime . For this reason, the DC/DC converter has to have a high power density and voltage ratio as well .…”

Section: Introductionmentioning

confidence: 99%

Fuel Cell Lifespan Optimization by Developing a Power Switch Fault‐Tolerant Control in a Floating Interleaved Boost Converter

et al. 2016

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In recent years, fault tolerance has gained a growing interest from the scientific community, particularly in DC/DC converters. Generally, fault‐tolerance refers to a fault‐tolerant topology and/or control for power converters. In this paper, a floating interleaved boost converter (FIBC) is used in order to meet the fuel cell requirements, particularly in terms of input current ripple reduction and reliability. In DC/DC converters, power switches are ranked as the most fragile components. The most common failures in power switches are open‐circuit faults (OCFs), gating faults and short‐circuit faults (SCFs). The loss of one leg in case of OCF or SCF (considering that the faulty leg is isolated before damaging the system) leads up to the drastic increase of the fuel cell current ripple and consequently fuel cell lifespan reduction. The purpose of this paper is to present a fast and efficient power switch open‐circuit fault detection algorithm and fault‐tolerant control (FTC). The performances of the developed fault detection algorithm and FTC are validated by carrying out experimental tests between a proton exchange membrane fuel cell and a FIBC topology. The experimental results demonstrate the ability of the developed FTC to reduce drastically the fuel cell current ripple while improving the fuel cell lifespan.

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“…PEMFC is a promising technology for transport, with a new generation of electrical and/or hybrid vehicle applications , and stationary applications . Improving PEMFCs' durability is considered as the most important challenge in its development for its possible large‐scale commercialization .…”

Section: Introductionmentioning

confidence: 99%

A Non‐Intrusive Signal‐Based Method for a Proton Exchange Membrane Fuel Cell Fault Diagnosis

et al. 2016

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This paper presents an experimental study dealing with a non‐intrusive signal‐based method for a fault diagnosis of a proton exchange membrane fuel cell (PEMFC). The aim of this tool is to define a specific signature of different operating conditions. First, a healthy state has to be defined: an operating condition with fixed parameters values for current, temperature, pressure is used as a reference state. When the operating conditions divert from this state of functioning, a fault is considered. Thanks to the wavelet transform of different signals from the fuel cell system, a signature can be extracted and linked to the considered operating conditions. The energy contents of the wavelet transform is used as an indicator of the state‐of‐health (SoH) of the fuel cell system with the purpose to detect deviations from healthy state operating conditions and to detect the fault related to. The diagnosis tool presented in this paper is based on existing signals acquired on the fuel cell system, in order to minimize the number of actual sensors. The other goals are to minimize the number of extracted parameters from the fuel cell system and to be as less intrusive as possible in the fuel cell system.

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Forecast of Performance Parameters of Automotive Fuel Cell Systems – Delphi Study Results

Cited by 13 publications

References 10 publications

A review of solid oxide fuel cell component fabrication methods toward lowering temperature

A review of solid oxide fuel cell component fabrication methods toward lowering temperature

Fuel Cell Lifespan Optimization by Developing a Power Switch Fault‐Tolerant Control in a Floating Interleaved Boost Converter

A Non‐Intrusive Signal‐Based Method for a Proton Exchange Membrane Fuel Cell Fault Diagnosis

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