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Search Results - energy, cleantech & environmental

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Integrated electrocatalytic and catalytic reactor for nitrate removal from drinking water
Summary: ISURF 05004 describes a two step method for the removal of nitrate from drinking water. This Technology utilizes an  electro-catalytic approach to initially reduce the nitrate to nitrite. The second step is the conversion of nitrite to volatile gases in a catalytic reactor. This two step approach is applicable for treating ground water.Description:...
Published: 2/10/2020
Category(s): Engineering & Physical Sciences, Energy, Cleantech & Environmental
Direct Carbohydrazide Fuel Cells for Mobile Power Sources
Summary: ISU scientists have developed a new high performance, cost effective, alkaline-membrane fuel cell for portable/mobile power source applications. Description: Fuel cells are emerging as promising technologies for increasing the possibilities of mobility and stretching the limits of energy storage. These portable power stations are attractive...
Published: 1/16/2020
Category(s): Energy, Cleantech & Environmental, Engineering & Physical Sciences, Materials
Mechanochemical Recovery of Co, Li, and Other Essential Components from Spent Lithium-Ion Batteries
Summary: Iowa State University and Ames Laboratory researchers have developed a method for recycling lithium-ion batteries that is more energy efficient and environmentally friendly than existing methods.Description: The growing use of lithium-ion batteries (LIBs) has increased the demand for the elements required for production, such as lithium, cobalt,...
Published: 7/31/2019
Category(s): Ames Laboratory, Energy, Cleantech & Environmental, Engineering & Physical Sciences
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 enhanced...
Published: 5/24/2019
Category(s): Ames Laboratory, Energy, Cleantech & Environmental, Engineering & Physical Sciences, 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 gas,...
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 extensively...
Published: 1/16/2019
Category(s): Energy, Cleantech & Environmental, Engineering & Physical Sciences, 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- furandicarboxylic...
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 thermoplastic...
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
Polymers for Caloric Applications
Summary: Iowa State University and Ames Laboratory researchers have developed a new polymeric material that provides a larger electrocaloric effect than previously known polymer materials. Description: Highly-efficient, solid-state cooling devices offer the promise of greatly improved energy efficiency relative to vapor-compression refrigeration systems. ...
Published: 2/26/2018
Category(s): Ames Laboratory, Energy, Cleantech & Environmental, Engineering & Physical Sciences, Materials
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