Dear Colleagues,
This week the digest features 11 papers, three of which were contributed by one of the Associate Editors, Dr. Thomas Schmidt, along with M. Siegwart and Pierre Boillat, from the Paul Scherrer Institut, Switzerland. I would like to draw your attention to the following two articles.
“Seeing” water distribution in PEMFCs under operation. Neutron interferometry is a non-destructive, yet very powerful technique, which can probe the structural heterogeneity on a scale from 0.1 μm to 10 μm. A neutron interacts strongly with hydrogen, making it ideal for fuel cell research, for instance the use of neutron imaging for the analysis of water freezing in PEFMCs. Neutron grating interferometry is a new, unique, and sophisticated method to image PEMFCs and other electrochemical devices. Figure 13 of this paper shows sequential images of water moving in the channels of a gas diffusion layer. (Contact author: Pierre Boillat at pierre.boillat@psi.ch)
Dependence of electrodics on the microstructure of carbon support in PEMFC cathode. A research paper reporting systematic and comprehensive results obtained by researchers at General Motors to demonstrate the effects of carbon support microstructure (micropore and macropore volumes) on the electrode phenomena (local-O2 and bulk-H+ transport resistance). This paper closely ties in with a prior JES Editors’ Choice article, entitled “Connecting Fuel Cell Catalyst Nanostructure and Accessibility Using Quantitative Cryo-STEM Tomography”. (Contact author: Nagappan Ramaswamy at: nagappan.ramaswamy@gm.com)
Lastly, we would like to thank all reviewers and authors who contributed to publications this week in Fuel Cells, Electrolyzers, and Energy Conversion.
Xiao-Dong Zhou
Fuel Cells, Electrolyzers, and Energy Conversion Technical Editor
Journal of The Electrochemical Society
The spring 2020 issue of Interface, guest edited by Gregory S. Jackson from the Colorado School of Mines, takes a look at electrochemistry in space. With many of us working in a remote capacity and due to postal delays in many countries, it may be a while until many of our members receive the print version. In this interim period, please enjoy the digital version of the issue now available online.
Journal of The Electrochemical Society
Carbon Electrocatalysts For Hydrazine Oxidation: Self-Templating Design Of Hierarchical Porosity Using Barium Carbonate Nanoparticles
Eliyahu M. Farber, Kasinath Ojha, Tomer Y. Burshtein, and David Eisenberg
Read now | Open access
Three-Dimensional Amorphous NiCoFe Nanowire@Nanosheets Catalysts for Enhanced Oxygen Evolution Reaction
Xiaoqian Wei, Xin Luo, Zhikun Xu, Yu Wu, Hengjia Wang, Wenling Gu, and Chengzhou Zhu
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Impact of the Microporous Layer on Gas Diffusion Layers with Patterned Wettability I: Material Design and Characterization
Victoria Manzi-Orezzoli, Muriel Siegwart, Dirk Scheuble, Yen-Chun Chen, Thomas J. Schmidt, and Pierre Boillat
Read now | Open access
Stability Comparison of Pt and Ni as Base Metal Catalysts in Anion Exchange Membrane Fuel Cells
Lin Xie and Donald W. Kirk
Read now | Open access
Ni-Fe Bimetallic Nanocatalysts Produced by Topotactic Exsolution in Fe deposited PrBaMn1.7Ni0.3O5+δ for Dry Reforming of Methane
Sangwook Joo, Ohhun Kwon, Seona Kim, Hu Young Jeong, and Guntae Kim
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Methodical Exploration on Silicotungstic Acid Tailored Hybrid Bio-polymeric Proton-Exchange Membrane Electrolytes: Correlating Positron Annihilation Characteristics with Electrochemical Selectivity for Direct Methanol Fuel Cells
Mohanapriya Subramanian, Sanjeevamuthu Suganthi, Vairamuthu Raj, Santhanalakshmi Baghavathy, and Subbiah Alwarappan
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Spatially Resolved Analysis of Freezing during Isothermal PEFC Cold Starts with Time-of-Flight Neutron Imaging
M. Siegwart, F. Huang, M. Cochet, T. J. Schmidt, J. Zhang, and P. Boillat
Read now | Open access
Operando Visualization of Water Distribution in Gas Diffusion Media of PEFCs with an Optimized Neutron Grating Interferometer
M. Siegwart, V. Manzi-Orezzoli, J. Valsecchi, R. P. Harti, M. Kagias, M. Strobl, C. Grünzweig, T. J. Schmidt, and P. Boillat
Read now | Open access
Interface of Hydrated Perfluorosulfonic Acid Electrolyte with a Platinum Catalyst: Structural Analyses with Dissipative Particle Dynamics Simulations
Nobuo Tajima, Jun Nara, Taku Ozawa, Hiroya Nitta, Kosuke Ohata, and Takahisa Ohno
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Performance and Durability of One-Cell Module of Biogas-Utilizing SOFC Equipped with Graded Indirect Internal Reformer
Özgür Aydın, Go Matsumoto, Atsushi Kubota, Dang Long Tran, Mio Sakamoto, and Yusuke Shiratori
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Carbon Support Microstructure Impact on High Current Density Transport Resistances in PEMFC Cathode
Nagappan Ramaswamy, Wenbin Gu, Joseph M. Ziegelbauer, and Swami Kumaraguru
Read now | Open access