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Energy

Alternative energy

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Displaying 326 - 350 of 706

Multi-Component Fe-Ni Oxide Nanocatalysts for Oxygen Evolution and Methanol Oxidation Reactions under Alkaline Conditions

November 29, 2016
Author(s)
Stephanie L. Candelaria, Nicholas M. Bedford, Taylor J. Woehl, Nikki S. Rentz, Allison R. Showalter, Svitlana Pylypenko, Bruce A. Bunker, Sungsik Lee, Benjamin Reinhart, Yang Ren, S P. Ertem, E. B. Coughlin, Nicholas A. Sather, James L. Horan, Andrew M. Herring, Lauren F. Greenlee
The electrolysis of water for hydrogen generation and the electrochemical oxidation of alternative fuels such as methanol for alkaline fuel cells often relies on the use of precious metal catalysts. However, the scarcity and high cost of these precious

Supramolecular Hemicage Cobalt Mediators for Efficient and Stable Dye-Sensitized Solar Cells

October 11, 2016
Author(s)
Lisa A. Fredin, Marina Freitag, Wenxing Yang, Luca D' Amario, K. Martin Karlsson, Anders Hagfeldt, Gerrit Boschloo
A new class of DSCs using the hemicage cobalt based mediator [Co(ttb)] 2+/3+ using the hexadentate ligand 5,5'',5''''-((2,4,6- triethyl highly preorganized benzene-1,3,5-triyl)tris(ethane-2,1- diyl))tri-2,2'- bipyridine (ttb) were studied. Current-voltage

Net-Zero Energy Residential Building Component Cost Estimates and Comparisons

October 4, 2016
Author(s)
Joshua D. Kneifel, Eric G. O'Rear
Homeowners and builders have increasingly strived to build low energy homes. As building materials, equipment, and methods have improved and renewable energy systems have become commonplace, the goal of net-zero energy homes has become technologically

Morphology-insensitive Performance Facilitates Transition from Spin-Coating to Roll-to-Roll Coating For High-Performance, Solution-Processed Solar Cells

August 2, 2016
Author(s)
Lee J. Richter, Jonathan Downing, Sebastian Engmann, Hyun W. Ro, Andrew A. Herzing, Dean M. DeLongchamp, Subhrangsu Mukherjee, Harald Ade, Maged Addelsamie, Aram Amassian, Yuhang Liu, He Yan
Solution processing via roll-to-roll (R2R) coating promises a low cost, low thermal-budget, sustainable revolution for the production of solar cells. Yet virtually all high performance solution processed research cells have been demonstrated by spin

Thermophysical Properties of the Marine Microalgae Nannochloropsis salina

July 15, 2016
Author(s)
Nico Schneider, Tara Fortin, Roland Span, Mandy Gerber
Algae have a variety of uses, including pharmaceutical and cosmetic products, and as a potential energy source in the form of biodiesel, bioethanol and biogas. To optimize the commercial production and use of algal biomass, production facilities have to be
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