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Precast Heated Concrete Panels Using Electrically Conductive Concrete or Hydronic Heating Technology
Summary: Iowa State University researchers have developed a method of producing precast slabs of electrically conductive concrete described in ISURF 4796 as well as hydronic heated-pavement systems, in which a heated fluid is circulated in pipes that are embedded in the pavement structure. The heated pavement systems allow for quick and efficient ...
Published: 6/21/2019
Category(s): Engineering & Physical Sciences, Materials
Electrically-Conductive Asphalt Concrete Containing Carbon Fibers
Summary: Iowa State University researchers have developed a method of producing electrically-conductive asphalt mastic for efficient snow removal and deicing. The mastic is modified with both carbon fiber and graphite powder to decrease the electrical resistivity of the asphalt, allowing for an electric current to flow between electrodes to genera...
Published: 6/21/2019
Category(s): Engineering & Physical Sciences, Materials
Electrically Conductive Concrete Mixture Composition and System Design for Resistive Heating of Pavements with Low Volume Fractions of Carbon Microfiber
Summary: Iowa State University researchers have developed a method of producing a heating pavement system using electrically conductive concrete for efficient deicing. The invention incorporates carbon microfibers in the electrically conductive concrete layer which decreases the electrical resistivity of the concrete, as well as electrodes to appl...
Published: 6/21/2019
Category(s): Engineering & Physical Sciences, Materials
Structured, Kirigami Films for Controllable Adhesion
Summary: ISU researchers have developed an adhesive that utilizes kirigami to provide anisotropic bonding, allowing for direction-controlled adhesion.Description: Recently, techniques in kirigami (Japanese art of folding that involves cutting) have been utilized to provide highly tunable stiffness and geometry in various materials. Iowa State Univ...
Published: 6/21/2019
Category(s): Engineering & Physical Sciences, Materials
Solvent-Free, Solid Phase Synthesis of Hybrid Organolead Mixed-Halide Perovskites with Superior Purity
Summary: ISU and Ames Laboratory researchers have developed a method of producing organolead halide perovskites for the use of low cost, high power conversion efficiency(PCE) photovoltaic cells. Since perovskite solar cells are tunable, the theoretical PCE limit is higher than that of silicon solar cells, and organolead halide perovskites have enh...
Published: 5/24/2019
Category(s): Ames Laboratory, Energy, Cleantech & Environmental, Engineering & Physical Sciences, Materials
Highly efficient biobased transparent UV-blocking coatings fabricated using hydroxyethyl cellulose and ZnO nanoparticles
Summary: Iowa State University researchers have developed a thin transparent ink coating with UV-blocking properties and high transparency.Description: Ultra-violet (UV) light is a high-energy light that can cause damage to organic matter, including the degradation of foods and beverages. As such, UV-blocking coatings are typically applied to the o...
Published: 4/9/2019
Category(s): Engineering & Physical Sciences, Materials
Synthesis of high-temperature iron-based superconductors
Summary: ISU and UC-Davis scientists have developed a method for making iron arsenide superconductors via a spark plasma synthesis (SPS) method. Description: Iron-based superconductors are an attractive candidate for practical applications because of their low cost of materials and critical temperatures higher than 20K. Iowa State University and U...
Published: 2/25/2019
Category(s): Materials
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
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