EnergyDisplaying technologies 1 - 8 of 25 in total
Solid electrolyte rechargeable lithium battery
A lithium ion battery cell. The lithium ion battery cell includes a lithium-based anode, a cathode, and a solid-state electrolyte positioned between the lithium-based anode and the cathode. The cathode comprises an alkylammonium cation lithium phthalocyanine anion complex. The solid-state electrolyte comprises an alkoxyalkylammonium cation lithium phthalocyanine anion complex.
Pseudomorphic glass for space solar cells
AFRL has developed a flexible hybrid cover glass for spacecraft solar panels comprised of small beads of either fused silica or ceria-doped borosilicate glass embedded in a matrix of conventional cover glass adhesives. These beads may also be used in a matrix of Kapton as the solar panel's substrate which may be combined with flexible solar cells to form flexible solar panels.
Production of synthesis gas or hydrogen by gasification or pyrolysis of biological feedstocks using solar-thermal energy
The invention is a process that performs biomass gasification or pyrolysis for hydrogen or liquid fuels production, with the necessary endothermic heat of reaction and sensible heat supplied by a solar-thermal energy system. A solid or liquid biomass feed is combined with water in a solar-thermal system at elevated temperatures to produce hydrogen, carbon monoxide, carbon dioxide, and higher hydrocarbons. The resulting products can be combined in a Fischer-Tropsch reactor to produce liquid hydrocarbon products, or can be reacted further with water in a Water-Gas Shift reaction to maximize hydrogen yield. Such a process makes use of renewable, biologically derived feedstocks and is, in a worst case, carbon and greenhouse gas neutral
A System for Monitoring and Control of Switched-Mode Power Supplies
A digital controller configured to inject a signal into a digital feedback path that facilitates regulation of a power converter and measure the corresponding phase, gain, or frequency. The digital controller may also include an adaptive tuning controller for adjusting power converter operating attributes based in part on the measurements. In an exemplary embodiment, the adaptive tuning controller uses the phase, gain, and/or frequency measurements to adjust the digital feedback signal. In an exemplary embodiment, the adaptive tuning controller compares the operating measurements with desired values and generates adjusted operating attributes. In accordance with an exemplary embodiment, the monitoring and adjusting of the digital feedback signal occurs while the digital controller is regulating a power signal in the power converter.
Genetic Elements Conferring Aldehyde Tolerance in Microbial Strains
A research group led by Dr. Ryan Gill of the University of Colorado has utilized genome-wide tools and analysis techniques to engineer bacterial strains with increased tolerance to acetate, furfural and ethanol, as well as strains with increased general tolerance to cellulosic hydrolysate. Acetate and furfural tolerance are important for efficient conversion of pretreated cellulosic biomass, and ethanol tolerance is important for the production of ethanol as a biofuel.
New Configuration and Materials for Scalable Bioelectrochemical System and Microbial Fuel Cells
A research team led by Jason Ren, a Gates Foundationfunded researcher who directs the University of Colorado’s Environmental Biotechnology Lab, has developed a novel “spiral wound”-configured BES that exhibits much greater energy production than previous systems and functions reliably under largescale operating conditions. The spiral wound configuration comprises a tubular reactor which houses a central electrolyte collection tube along with the anode, cathode, and other associated materials. Instead of having the electrolytes flow through framed plate modules as in current microbial fuel cells, the electrodes, membrane sheets, and spacers are glued together to form a leaf, and multiple leaves are concentrically rolled around the electrolyte tube.
Nucleation of Ultrathin, Continuous, Conformal Metal Films Using Atomic Layer Deposition and Applications as Fuel Cell Catalysts
A method to achieve a conformal ultrathin film of platinum or one of its alloys on a substrate that can be economically used as a heterogeneous catalyst, such as automotive polymer electrolyte membrane (PEM) fuel cell catalyst. The method includes using a hydrogen plasma in platinum atomic layer deposition along with tungsten as a substrate or anchoring adhesive layer to assist platinum nucleation and deposition.
Metallic Surfaces as Alignment Layers for Non-Display Applications of Liquid Crystals
Systems and methods are described for producing liquid crystal devices microwave that use metal alignment layers. The liquid crystal microwave devices include a liquid crystal layer sandwiched between metal layers, which are further sandwiched between substrate layers. At least one of the metal layers is rubbed to form micro-grooves that tend to align the liquid crystal molecules adjacent to those layers without using additional rubbed polymeric layers for the alignment. The thickness of the metal layers can be selected to yield a desired electromagnetic effect, such as constraint of propagation of microwave radiation.
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