Army STTR follows AFC’s topic release schedule but partners with a university, federally funded research and development center, or a qualified non-profit research institution as part of their contract.
Carbon-carbon composites (CCCs) have been utilized for hypersonics applications for decades. For much of that time, the state of the art in source materials, particularly for the matrix phase, has advanced slowly or not at all. Recently, however, a spate of new potential materials (particularly polymer resins) has been developed and are being evaluated as possible precursors for CCCs.
Development of pyrolysis optimization methodology for carbon/carbon materials Read More »
Perovskite solar cells (PSCs) are an increasingly promising photovoltaic (PV) technology, as their power conversion efficiency has increased from less than 4% at the outset of research in 2009 to over 25% today [1 – 4]. Metal halide and hybrid perovskites adopt the general ABX3 chemical formula and crystallize in the perovskite structure, where the A-site is typically occupied by an organic cation like methylammonium or an alkali ion like Cs, the B-site is occupied by a metal cation like Pb, and the X-site is occupied by a halide ion like Cl.
Environmentally Stable Perovskite Solar Cell Module Read More »
Accurate helicopter source noise models are required by the US Army to estimate the acoustic impact of proposed helicopter operations. Conventional helicopter source noise models used by current mission planning tools are empirical in nature, relying on measurements of helicopter noise captured by ground-based microphone arrays during steady flyovers [1-2].
Develop an advanced Nitrate Free Organic Acid Technology (OAT) based coolant with improved thermal efficiency of at least 50% to reduce coolant needed or improve heat rejection/reliability of affected systems.
As the need for sustainment of aging US armed forces aircraft continue to rise and will continue to rise with the introduction of Future Vertical Lift (FVL) [1], there is a growing necessity for supplementing the supply chain for long logistic components to maintain fleet readiness.
Solid-State Large Aluminum Additive Manufacturing Replacements Read More »
C5ISR Center, in conjunction with industry, have developed wearable Soldier fuel cell systems that can provide on the move light-weight power for systems operations and battery recharge and extend mission duration and reduce Soldier load (carried weight). Current fuel cell systems have been developed based on the Reformed Methanol Fuel Cell Technology.
Lower Temperature Methanol Steam Reforming Catalyst for Fuel Cells Read More »
Higher energy densities can be achieved primarily through pairing high voltage, high-capacity cathodes with Li-metal anodes. To enable the use of next generation elevated voltage cathode materials with lithium-metal anode, stabilizing cathode coatings can be affixed to improve interfacial structural stability, mitigate electrochemical impedance increases, and diminish thermally induced degradation.
Polymer, Solid Electrolyte, and Lithium Anode Battery to Enhance Kinetics Read More »
To maintain operational overmatch of our near-peers, signature management needs to be exploited to the greatest limits of science. Obscuration leverages our resources by protecting multi-million-dollar assets with cost-effect aerosol materials. Recent discoveries have illustrated the ability to vastly increase the performance of these obscurants in the infrared and centimeter-wave regions of the electromagnetic spectrum– both areas in which our enemies use imagers to identify our warfighter’s locations.
Small, low-power, low-cost, networked, and potentially attritable sensors (“microsensors”) can be rapidly dispersed over an area to enhance situational awareness and continuously monitor for threats such as toxic chemicals or pathogens. The ability to use networks of smaller and cheaper sensors instead of large and expensive systems will allow Warfighters to maintain increasingly expeditionary postures.
Aerosol Particle Collectors for Microsensor Platforms Read More »
Uncertainty in weather prediction affects Army mission preparation and planning degrading decision advantage. Numerical Weather Prediction (NWP) models generate atmospheric forecasts to provide a deterministic weather forecast, but present inherent uncertainty.
