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Genetically Modified Microorganisms with Enhanced Resistance to Acetate Efficient conversion of lignocellulose to alternative fuels is hindered by the difficulty of breaking down plant biomass. Pretreatment of materials is a necessary part of the production process; but during pretreatment, chemicals such as acetate form and inhibit or even stop fermentation. To address this challenge, ORNL resea…

High Volume Method of Making Low Cost, Lightweight Solar Materials A critical challenge for solar energy is the high cost (>$1/W) of quality solar materials. Researchers at ORNL have invented an approach for producing large volumes of solar cell material at a fraction of the cost of today s solar cells. The concept combines ORNL s unique pulse thermal processing (PTP) capabilities with standard…

: Fact Sheets

Resonator for Coherent Addition of Semiconductor Laser Arrays and Applications for a Solar Pumped Laser Array ORNL inventors designed a scalable V-shaped resonator for coherent addition of semiconductor laser arrays. A V-shaped external Talbot cavity offers a solution for the broad-area laser-diode-array coherent-beam combination. In this design, narrow line width and high output power from the l…

Apparatus for Pre-stressing Specimens in Torsion for In Situ Fracture Toughness Testing in a High-Pressure Hydrogen Environments To assess the impact of a specific stress range in torsion, ORNL researchers developed an apparatus to pre-stress a strain-gaged rod-shaped specimen. The complete assembly can be used for in situ testing in an environmental chamber charged with an extremely high pressur…

Slow Waveguide Structures for Particle Accelerators A waveguide design that can save time and money in the construction and tuning of a particle accelerator was developed by ORNL researchers. Particle accelerators use electromagnetic fields to propel charged particles to high speeds within a well-defined beam. The beam line is used for basic science investigations as well as for applications in b…

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: Waveguide, Design, Energy...

Advanced Lithium Ion Battery Materials for Fast Charging and Improved Safety High power and high energy density are essential to batteries for electric vehicles, stationary energy storage systems for solar and wind energy, and vehicle to grid and similar smart grid applications. Because conventional lithium ion batteries are inadequate to meet these needs, and because many of the current performa…

Energy Saving Absorption Heat Pump Water Heater ORNL s new absorption heat pump and water heater technology offers substantial energy savings and can reduce the use of fossil fuels by buildings. While conventional heat pump water heater designs are limited to using toxic ammonia water systems, this system uses heat drawn from the ambient environment to achieve energy efficiency. This approach e…

: Fact Sheets
: Assembly, Heat, Energy...
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