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UrduA new discovery by PNNL researchers has illuminated a previously unknown key mechanism that could inform the development of new, more effective catalysts for abating NOx emissions from combustion-engines burning diesel or low carbon fuel.
Tag: Fuel Cells
Answering Big Questions with Thin Oxide Films
Thin oxide films play an important role in electronics and energy storage. Researchers in PNNL’s film growth laboratory create, explore, and improve new thin oxide films.
Extract from a common kitchen spice could be key to greener, more efficient fuel cells
Turmeric, a spice found in most kitchens, has an extract that could lead to safer, more efficient fuel cells. Researchers at the Clemson Nanomaterials Institute and their collaborators from the Sri Sathya Sai Institute of Higher Learning in India discovered a novel way to combine curcumin and gold nanoparticles to create an electrode that requires 100 times less energy to efficiently converts ethanol into electricity.
Worldly Experience Is a Catalyst for Change
Bojana Ginovska leads a physical biosciences research team headed for PNNL’s new Energy Sciences Center. She uses the transformative power of molecular catalysis and enzymes to explore scientific principles.
Hydrogen Energy Storage at Your Service
PNNL’s new Hydrogen Energy Storage Evaluation Tool allows users to examine multiple energy delivery pathways and grid applications to maximize benefits.
Driving clean-energy research in the right direction
Fuel cells, part of a promising path toward zero-emission vehicles, are making progress at overcoming some specific challenges on the road to powering heavy-duty vehicles.
Distinguished Electrochemist Marc Koper Receives the ECS Allen J. Bard Award in Electrochemical Science
The Electrochemical Society (ECS) honored Marc Koper, Professor of Surface Chemistry and Catalysis at Universiteit Leiden, Netherlands, with the 2021 ECS Allen J. Bard Award in Electrochemical Science. He will deliver his Award Address, “Electrochemistry of Platinum: New Views on an Old Problem,” at the 239th ECS Meeting with IMCS18. The address can be seen live online at 0900h EDT, Thursday, June 3, after which it will be available through June 26, 2021. There is no cost to participate, however pre-registration is required.
Editors’ Choice—Examining Performance and Durability of Anion Exchange Membrane Fuel Cells with Novel Spirocyclic Anion Exchange Membranes
A series of spirocyclic copolymer membranes with varying ion exchange capacities (IECs) were investigated to probe the impact of polymer properties on in situ fuel cell performance and stability. In-situ electrochemical tests and post-mortem electron microscopy analysis of cross-sectioned membrane…
Editors’ Choice—Ionomer Side Chain Length and Equivalent Weight Impact on High Current Density Transport Resistances in PEMFC Cathodes
Cell voltage at high current densities (HCD) of an operating proton-exchange membrane fuel cell (PEMFC) suffers from losses due to the local-O2 and bulk-H+ transport resistances in the cathode catalyst layer (CCL). Particularly, the interaction of perfluorosulfonic acid (PFSA) ionomer with the…
New Clean Energy Process Converts Methane to Hydrogen with Zero Carbon Dioxide Emissions
PNNL, teaming with academia and industry, develops a novel zero-emission methane pyrolysis process that produces both hydrogen and high-value carbon solids.
Breakthrough material makes pathway to hydrogen use for fuel cells under hot, dry conditions
A collaborative research team, including Los Alamos National Laboratory, University of Stuttgart (Germany), University of New Mexico, and Sandia National Laboratories, has developed a proton conductor for fuel cells based on polystyrene phosphonic acids that maintain high protonic conductivity up to 200 C without water.
The Electrochemical Society and Toyota Motor Engineering & Manufacturing North America, Inc. Announce 2020-2021 Fellowship Winners for Projects in Green Energy Technology
Prof. Dr. Shoji Hall, Prof. Dr. Piran Ravichandran Kidambi, and Dr. Haegyeom Kim have been awarded the 2020-2021 ECS Toyota Young Investigator Fellowships. Through this, ECS and Toyota aim to promote innovative and unconventional technologies borne from electrochemical research. The fellowship encourages young professors and scholars to pursue innovative electrochemical research in green energy technology.
$345K NSF grant to fund research to modify paper electronics to make them stretchable
A three-year, $345,000 grant from the National Science Foundation will fund research at Binghamton University, State University of New York that seeks to modify paper’s mechanical properties while still retaining its advantages.
Evolution of Catalysts, Real-World Applications
Electrocatalysts accelerate energy conversion, which is an integral component to many industrially important technologies, such as fuel cells. While many models show promising results to improving this approach, technologies to demonstrate a decrease in degradation to optimize performance are lacking. At the AVS 66th International Symposium and Exhibition, Serhiy Cherevko, a physicist at the Institute of Energy and Climate Research, will talk about the challenges facing current electrocatalysis techniques and possible analytical tools to optimize this approach for widespread commercialization.