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Magnetic field assisted fast charging of lithium ion batteries
­Summary: ISURF 5180 describes a method for fast charging of lithium ion batteries. A major limitation of Li-ion batteries for use in many applications, including electric vehicles, is the timescale for normal charging. Although fast charging is possible, over-oxidation in charging is common as electrodeposition of the anodic surface occurs. This...
Published: 8/15/2022
Category(s): Energy, Cleantech & Environmental
Low-voltage bipolar hydrogen production from aldehydes and water
­Summary: Iowa State University researchers have developed an electrochemical system for the production of hydrogen utilizing alkaline solution and a copper-based catalyst. Aldehyde's are used as they are more thermodynamically favorable for electrolysis than water and have the additional benefit of producing useful carboxylic acids. Both these...
Published: 8/15/2022
Category(s): Energy, Cleantech & Environmental, Engineering & Physical Sciences
Catalytic upcycling of polyolefins into fatty alcohols and fatty acids
­Summary: ISURF #05189 describes the conversion of waste polyolefins into fatty alcohols or fatty acids by early metal or lanthanide-catalyzed chain cleavage. The alcohols or acids derived by this method are high value and useful as surfactants, detergent agents, or lubricants. Description: The catalyst supports a pseudo reverse-polymerization...
Published: 8/17/2022
Category(s): Energy, Cleantech & Environmental, Materials, Ames Laboratory
Pore-encapsulated catalysts for selective hydrogenolysis of plastic
Summary: ISURF #05082 describes a catalyst and method to break down and recycle plastic, particularly polyethylene. The catalyst mimics enzymes in that it first seeks to template the polymer chain in a configuration that yields a narrow distribution of end products. Mesoporous silica nanoparticles (MSN) are used as scaffolds that polyethylene chains...
Published: 8/17/2022
Category(s): Energy, Cleantech & Environmental, Engineering & Physical Sciences, Ames Laboratory
Interstitial Control during Additive Manufacturing
Summary: ISURF #4767 is a method to accurately predict, and thus control, the final composition of additively manufactured metal parts.Description: Metal-based additive manufacturing (AM) is a rapidly growing method in the production of intricate or complex parts. Currently, there is no standard method to predict the composition of the as-deposited...
Published: 2/16/2022
Category(s): Energy, Cleantech & Environmental, Materials
A Novel Facultative Methylotroph, Methylocystis daltona SB2
Description: Methylocystis daltona SB2 (SB2) is a novel facultative methanotroph capable of utilizing methane and other multi-carbon substrates for growth has been identified. SB2 constitutively expresses methane monooxygenase, enabling bioremediation of cholorinated solvents, enhanced removal of methane from the atmosphere, and for controlling emission...
Published: 2/11/2022
Category(s): Energy, Cleantech & Environmental, Life Sciences
Transition Metal Carbides for Direct Catalytic Methane Conversion
Summary: ISU researchers have developed a transition metal carbide for the conversion of methane into a variety of higher value chemicals. Particularly this technology enables conversion from methane to C2 hydrocarbons.Description: The conversion of methane to higher value chemicals presents many technical challenges that has thus far prevented commercial...
Published: 2/11/2022
Category(s): Energy, Cleantech & Environmental, Engineering & Physical Sciences, Materials
Acid-Free dismantling of permanent magnets to extract rare earth elements
Summary: ISURF 04971 describes a method involving the acid free recycling of permanent magnets and battery materials to extract critical and valuable elements such as Rare Earth Elements (REEs), Cobalt, and Nickel. This technology allows for a environmentally and economically sustainable process for the high percent recovery of REEs, in order to be...
Published: 2/11/2022
Category(s): Ames Laboratory, Energy, Cleantech & Environmental, Materials
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: 2/11/2022
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: 2/11/2022
Category(s): Energy, Cleantech & Environmental, Engineering & Physical Sciences, Materials
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