Stainless steel micro fuel cells with enclosed channels by laser additive manufacturing

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Stainless steel micro fuel cells with enclosed channels by laser additive manufacturing. / Scotti, Gianmario; Kanninen, Petri; Matilainen, Ville-Pekka; Salminen, Antti; Kallio, Tanja.

In: Energy, Vol. 106, 2016, p. 475-481.

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Scotti, Gianmario ; Kanninen, Petri ; Matilainen, Ville-Pekka ; Salminen, Antti ; Kallio, Tanja. / Stainless steel micro fuel cells with enclosed channels by laser additive manufacturing. In: Energy. 2016 ; Vol. 106. pp. 475-481.

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@article{b31bd527ae96460db36b2aea8cf55237,
title = "Stainless steel micro fuel cells with enclosed channels by laser additive manufacturing",
abstract = "This study introduces the first steel micro fuel cells with enclosed channel flowfield made by laser additive manufacturing. These are also the first microfluidic devices with enclosed channels made from stainless steel by additive manufacturing. One important benefit of such fabrication methods is ultrafast prototyping, which we made use of in this study to optimize the performance of our fuel cells. The fabrication process consists of preparing a 3D model using a suitable computer-aided design software and then uploading the model file to the laser additive manufacturing machine. This process requires minimal manual intervention. The use of stainless steel as the fabrication material results in extremely durable, robust, chemically and thermally stable devices. Micro fuel cells with three different stainless steel flowfields were fabricated and characterized, two of which with enclosed channels, and one with traditional open grooves. Both enclosed channel flowfield fuel cells produced significantly higher power and current densities compared to the open groove counterpart: the maximum current density obtained was 1.515 A cm-2 and maximum power density was 363 mW cm-2.",
keywords = "Fuel cells, Hydrogen, Laser additive manufacturing, Prototyping",
author = "Gianmario Scotti and Petri Kanninen and Ville-Pekka Matilainen and Antti Salminen and Tanja Kallio",
year = "2016",
doi = "10.1016/j.energy.2016.03.086",
language = "English",
volume = "106",
pages = "475--481",
journal = "Energy (the International Journal)",
issn = "0360-5442",

}

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TY - JOUR

T1 - Stainless steel micro fuel cells with enclosed channels by laser additive manufacturing

AU - Scotti, Gianmario

AU - Kanninen, Petri

AU - Matilainen, Ville-Pekka

AU - Salminen, Antti

AU - Kallio, Tanja

PY - 2016

Y1 - 2016

N2 - This study introduces the first steel micro fuel cells with enclosed channel flowfield made by laser additive manufacturing. These are also the first microfluidic devices with enclosed channels made from stainless steel by additive manufacturing. One important benefit of such fabrication methods is ultrafast prototyping, which we made use of in this study to optimize the performance of our fuel cells. The fabrication process consists of preparing a 3D model using a suitable computer-aided design software and then uploading the model file to the laser additive manufacturing machine. This process requires minimal manual intervention. The use of stainless steel as the fabrication material results in extremely durable, robust, chemically and thermally stable devices. Micro fuel cells with three different stainless steel flowfields were fabricated and characterized, two of which with enclosed channels, and one with traditional open grooves. Both enclosed channel flowfield fuel cells produced significantly higher power and current densities compared to the open groove counterpart: the maximum current density obtained was 1.515 A cm-2 and maximum power density was 363 mW cm-2.

AB - This study introduces the first steel micro fuel cells with enclosed channel flowfield made by laser additive manufacturing. These are also the first microfluidic devices with enclosed channels made from stainless steel by additive manufacturing. One important benefit of such fabrication methods is ultrafast prototyping, which we made use of in this study to optimize the performance of our fuel cells. The fabrication process consists of preparing a 3D model using a suitable computer-aided design software and then uploading the model file to the laser additive manufacturing machine. This process requires minimal manual intervention. The use of stainless steel as the fabrication material results in extremely durable, robust, chemically and thermally stable devices. Micro fuel cells with three different stainless steel flowfields were fabricated and characterized, two of which with enclosed channels, and one with traditional open grooves. Both enclosed channel flowfield fuel cells produced significantly higher power and current densities compared to the open groove counterpart: the maximum current density obtained was 1.515 A cm-2 and maximum power density was 363 mW cm-2.

KW - Fuel cells

KW - Hydrogen

KW - Laser additive manufacturing

KW - Prototyping

UR - http://www.scopus.com/inward/record.url?scp=84962656631&partnerID=8YFLogxK

U2 - 10.1016/j.energy.2016.03.086

DO - 10.1016/j.energy.2016.03.086

M3 - Article

VL - 106

SP - 475

EP - 481

JO - Energy (the International Journal)

JF - Energy (the International Journal)

SN - 0360-5442

ER -

ID: 3010794