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Electrocatalyst for water electrolysis
Summary: ISU and Ames Laboratory scientists have developed a metal chalcogenide material for use as a water electrolysis catalyst for the generation of hydrogen. Description: Hydrogen is a unique energy carrier in that it can be produced from a number of diverse pathways utilizing a variety of domestically available feedstock, including natural ga...
Published: 2/14/2019
Category(s): Ames Laboratory, Energy, Cleantech & Environmental, Materials
Two dimensional early transition metal carbides (MXenes) as catalysts for water gas shift and propane dehydrogenation
ISU researchers have developed a new catalyst for efficient conversion of carbon monoxide into carbon dioxide and hydrogen as part of the water gas shift reaction and transforming shale gas efficiently into propylene via propane dehydration. Description: 2D materials have unusual electron, mechanical and optical properties and have been extensivel...
Published: 1/16/2019
Category(s): Energy, Cleantech & Environmental, Engineering & Physical Sciences, Materials
Customized setups for high throughput screening of 3D printable resins
Summary: ISU and Ames Laboratory scientists have developed an adapter that conserves the volume of resin used in the 3D printing of smaller parts. Description: Common commercial 3D-printers have a single build platform that requires a significant volume of material for every printing task, regardless of size of your target part. Consequently, scre...
Published: 1/7/2019
Category(s): Ames Laboratory, Engineering & Physical Sciences, Materials
Acoustic mediated multi-material 3D printing
Summary: ISU researchers have developed a system for creating colloidal crystals, embedded in a polymer, using a 3D-printer like flow-through system. Description: Collodial crystals, ordered structures composed of micro- and nano-scale particles, enable many advanced material applications, such as enhancing solar cell efficiency. Current approache...
Published: 7/27/2018
Category(s): Engineering & Physical Sciences, Materials
Modified La-Fe-Si Alloys for Magnetocaloric Applications
Summary: Iowa State University and Ames Laboratory researchers have modified the giant Magneto Caloric Effect alloy La-Fe-Si to create new alloys with greatly improved mechanical properties. Description: Materials with first-order magnetic phase transition (i.e., giant MCE materials) often suffer from high brittleness, making them unsuitable for a...
Published: 7/25/2018
Category(s): Ames Laboratory, Materials
Green, Low Cost, Non-Toxic Technology for PEF Polymer Production
Summary: ISU researchers have demonstrated an inexpensive, commercially available material, as an effective catalyst for the disproportionation or isomerization of armatic carboxylates to dicarboxylates, allowing for new production routes to valuable polymers such as PET and PEF. Description: Dicarboxylic acids, such as terephthalic acid or 2,5- f...
Published: 5/24/2018
Category(s): Energy, Cleantech & Environmental, Materials
Isomerization of Muconic Acid for the Production of Bio-based Terephthalic Acid
Summary: Iowa State University researchers have developed a cost-effective method to isomerize cis-, cis- and cis-, trans- muconic acid to trans-, trans- muconic acid, which readily combines with acetylene via Diels-Alder reaction to create terepthalic acid. Description: Polyethylene-terephthalate (PET) is one of the most abundantly-used thermop...
Published: 5/21/2018
Category(s): Agriculture, Energy, Cleantech & Environmental, Materials
Synthesis of methylammonium lead iodide perovskite films via cation exchange of melt-processed films for photovoltaic applications
Summary: Iowa State University and Ames Laboratory researchers have developed a new method of making perovskite thin films for an absorber layer in photovoltaic cells. Description: Perovskite solar cells have been an area of interest in emerging solar technologies since 2009. With certified power conversion efficiency (PCE) increasing from about 1...
Published: 5/4/2018
Category(s): Ames Laboratory, Energy, Cleantech & Environmental, Materials
Cerium, Cobalt and Copper Alloy doped with Tantalum or/and Iron as a Permanent Magnet Material
Summary: ISU and Ames Laboratory researchers have develop a gap magnet that utilizes trace amount of cheaper, abundant and non-critical cerium (Ce) as an alternative to critical rare-earths containing magnet alloys. This invention makes the magnet significantly cheaper and less dependent on supplies of rare-earth materials, with that performance su...
Published: 4/30/2018
Category(s): Ames Laboratory, Engineering & Physical Sciences, Materials
Ni-Co-Mn-Ti Intermetallics with Enhanced Magnetocaloric Properties Prepared by Combination of Different Methods
Summary: Iowa State University (ISU) and Ames Laboratory (AL) researchers have developed a method to manufacture Ni-Co-Mn-Ti intermetallics with enhanced magnetocaloric properties. The resultant materials produce an extremely large magnetocaloric effect (MCE) with a modest magnetic field change. The MCE is nearly three times greater at near room te...
Published: 3/20/2018
Category(s): Ames Laboratory, Engineering & Physical Sciences, Materials
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