Naslov
Converting an automotive fuel cell system to a stationary power generation system

Autori
Mirković, Martina ; Šimunović, Jakov ; Barbir, Frano

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
IEEES-9 9th International Exergy, Energy and Environment Symposium, Book of Abstracts / Nižetić, Sandro ; Šolić, Petar ; Milanović, Željka - Split : Fakultet elektrotehnike, strojarstva i brodogradnje Sveučilišta u Splitu, 2017, 222-222

ISBN
978-953-290-068-2

Skup
9th International Exergy, Energy and Environment Symposium, IEEES-9

Mjesto i datum
Split, Hrvatska, 14.05.2017. - 17.05.2017

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Fuel cell engine ; cogeneration ; natural gas reformer

Sažetak
The goal of this study, performed within the AutoRE project, was to determine what modifications on an automotive fuel cell should be made to make it suitable for stationary power generation and cogeneration applications (combined heat and power CHP). Automotive fuel cells are in the range of 50 to 100 kW. Such power range could be applicable for commercial and industrial buildings. The most obvious difference between automotive and stationary fuel cell applications is the fuel. While the automotive fuel cells run on high purity hydrogen stored onboard in high pressure tanks, the stationary units should use natural gas – more readily available fuel. Therefore, a stationary fuel cell system should include a fuel reformer and a hydrogen clean-up unit. Because a lower content of hydrogen in reformate would result in loss of power, a stationary fuel cell should be somewhat de-rated. In addition, the reformer may contain additional auxiliary components that need power supply which further reduces the fuel cell system power output. Small amounts of carbon monoxide in reformate may significantly affect fuel cell performance and durability. Usually, stationary fuel cells use CO tolerant catalyst (such as Pt-Ru). Automotive fuel cell systems are designed to operate at higher pressures (2.5 to 3 bar) which in a stationary unit must be matched by the reformer or a hydrogen compressor must be included in the system. In addition, an automotive fuel cell system may employ hydrogen recirculation which may require hydrogen supply at even higher pressure. However, reformate cannot be recirculated, so the unused hydrogen would have to be burned. The available sources of heat are the reformer, afterburner, fuel cell coolant and fuel cell exhaust. Waste heat from an automotive fuel cell is usually available at 80°C or higher. The AutoRE project will address all of these issues and result in a prototype which will be tested to define and verify the capability of automotive derivative CHP fuel cell systems to fulfill the requirements of commercial and industrial buildings, and to identify the technology elements of the system requiring further improvement.

Izvorni jezik
Engleski

Znanstvena područja
Strojarstvo

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