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OSU team demonstrates concept of potassium-air battery as alternative to lithium-air systems

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Researchers at Ohio State University (OSU) have demonstrated the concept of a potassium-air (K?O Potassium, an alkali metal similar to lithium (and sodium) can be used in a rechargeable battery. Ali Eftekhari (2004) Potassium secondary cell based on Prussian blue cathode. Credit: ACS, Ren and Wu. Click to enlarge. O 2 batteries.In

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Radar Technology Pioneer Merrill Skolnik Dies at 94

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He and his staff developed concepts for wideband shipboard air-surveillance radar with reduced susceptibility to electronic countermeasures; self-defense radar; and space-borne radar for detecting ships. He was the 1990–1991 Division VII director, and he directed the IEEE Foundation from 1999 to 2004. Naval Research Laboratory.

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Sandia progressing to demo stage with supercritical CO2 Brayton-cycle turbines; up to 50% increase in efficiency of thermal-to-electric conversion

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—principal investigator Steve Wright of Sandia’s Advanced Nuclear Concepts group. Test results will illustrate the capability of the concept, particularly its compactness, efficiency and scalability to larger systems. The supercritical properties of carbon dioxide at temperatures above 500 °C and pressures above 7.6

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US DOE Issues Request for Information on Hydrogen and Fuel Cell Market Development; Reports to Congress on Program

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DOE’s Hydrogen Program was accelerated in fiscal year (FY) 2004, when a number of activities in hydrogen and fuel cell research and development (R&D) within DOE were expanded and integrated into a coordinated effort. Developing and demonstrating a novel cryo-compressed tank concept. Report to Congress.

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