Alejandro Oyarce | Researchain

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Journal of The Electrochemical Society | 2010

Active Area Determination of Porous Pt Electrodes Used in Polymer Electrolyte Fuel Cells: Temperature and Humidity Effects

Rakel Wreland Lindström; Katrin Kortsdottir; Maria Wesselmark; Alejandro Oyarce; Carina Lagergren; Göran Lindbergh

This paper discusses the proper measure of the electrochemically active area (ECA)of carbon supported Pt catalyst in PEM fuel cells employing in situ cyclic voltammetry. The charges of the hydrogen ...

9th Proton Exchange Membrane Fuel Cell Symposium (PEMFC) Conducted Under the Auspices of the 216th Meeting of the Electrochemical-Society-Inc, OCT 04-09, 2009, Vienna, AUSTRIA | 2009

In-situ Measurements of Contact Resistance and In-situ Durability studies of Steels and Coatings to be used as Bipolar Plates in PEMFCs

Alejandro Oyarce; Nicklas Holmström; Andreas Bodén; Sara Randström; Göran Lindbergh

In this study, a fast, low cost and reliable methodology for bipolar plate material screening and testing is presented. Ex-situ measurements of contact resistance are used as a screening tool, while in-situ measurements such as: fuel cell performance, in-situ contact resistance, high frequency impedance spectroscopy, together with post analysis of stainless steel surfaces, MEAs and fuel cell effluent water evaluates the real performance of the most promising stainless steels and coatings, providing reliable data for future fuel cell stack test.

Fuel Cells | 2011

Graphitised Carbon Nanofibres as Catalyst Support for PEMFC

Elina Yli-Rantala; Antti Pasanen; Pertti Kauranen; Virginia Ruiz; Maryam Borghei; Esko I. Kauppinen; Alejandro Oyarce; Göran Lindbergh; Carina Lagergren; Mahdi Darab; Svein Sunde; Magnus Skinlo Thomassen; S. Ma-Andersen; Eivind Morten Skou

Journal of Power Sources | 2014

Comparing shut-down strategies for proton exchange membrane fuel cells

Alejandro Oyarce; Erik Zakrisson; Matthew Ivity; Carina Lagergren; Axel Baumann Ofstad; Andreas Bodén; Göran Lindbergh

Journal of Power Sources | 2013

Operating conditions affecting the contact resistance of bi-polar plates in proton exchange membrane fuel cells

Alejandro Oyarce; Nicklas Holmström; Andreas Bodén; Carina Lagergren; Göran Lindbergh

Journal of The Electrochemical Society | 2013

Performance of Phosphonated Hydrocarbon Ionomer in the Fuel Cell Cathode Catalyst Layer

Rakel Wreland Lindström; Alejandro Oyarce; Luis Guerrero Aguinaga; Diego Ubeda; Mark Ingratta; Patric Jannasch; Göran Lindbergh

Electrochimica Acta | 2014

Direct sorbitol proton exchange membrane fuel cell using moderate catalyst loadings

Alejandro Oyarce; Carlos Gonzalez; Raquel Bohn Lima; Rakel Wreland Lindström; Carina Lagergren; Göran Lindbergh

Journal of The Electrochemical Society | 2018

Ammonia contamination of a proton exchange membrane fuel cell

Yasna Acevedo Gomez; Alejandro Oyarce; Göran Lindbergh; Carina Lagergren

Symposium on Fuel Cell Membranes, Electrode Binders, and MEA Performance - 221st ECS Meeting; Seattle, WA; United States; 6 May 2012 through 10 May 2012 | 2013