Energy

Access our comprehensive library of technical briefs on energy, from engineering experts at NASA and major government, university, and commercial laboratories.

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Briefs: Electronics & Computers
Existing nanosensor technologies depend on an external power source (typically a battery) to operate. Chemical and biological sensors based on nanowire or nanotube technologies exhibit...
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Briefs: Energy
Plasma Generator Using Spiral Conductors
NASA's Langley Research Center has developed a patented SansEC sensor technology for use in many different areas, including tall structures and wind turbines. The SansEC technology is a proven wireless sensing platform capable of measuring the electrical impedance of physical matter in proximity to the...
Briefs: Materials
When choosing materials to make something, tradeoffs need to be made among properties such as thickness, stiffness, and weight. A new material called nanocardboard was...
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Briefs: Materials
A stainless steel alloy — alloy 709 — has potential for elevated-temperature applications such as nuclear reactor structures. It is exceptionally strong and resistant to damage when exposed to high...
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Briefs: Automotive
Lasers play roles in many manufacturing processes, from welding car parts to crafting engine components with 3D printers. To control these tasks, manufacturers must ensure that their lasers fire at the...
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Briefs: Materials
Composite Material Cools Itself Down Under Extreme Temperatures
A material, inspired by nature, can regulate its own temperature and could be used to treat burns and help space capsules withstand atmospheric forces. The research used a network of multiple microchannels with active flowing fluids (fluidics) as a method and proof-of-concept to...
Briefs: Aerospace
Internal Short Circuit Testing Device to Improve Battery Designs
Batteries, such as lithium-ion, sold for consumer use in portable electronic devices and other applications such as electrical cars, occasionally fail in the field over time. These cells have typically passed a wide variety of safety tests such as those required by governmental...
Briefs: Sensors/Data Acquisition
Infrared motion detectors can cover only a limited amount of space, a person has to be within the detector's line of sight to be detected, and lights can go off when a person remains still...
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Briefs: Materials
Egyptian blue, derived from calcium copper silicate, was routinely used on ancient depictions of gods and royalty. Previous studies have shown that when Egyptian blue absorbs visible light, it then...
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Briefs: Energy
Li-ion Cell Calorimeter
Lithium-ion batteries are an integral part of energy storage systems used in NASA's Exploration program, as well as many modern terrestrial industries. NASA Johnson wanted a better way to measure total and fractional heat response of specific types of Li-ion cells when driven into a thermal runaway condition.
Briefs: Energy
Typical direct-injection engines, such as diesel engines, can produce soot due to fuel-rich combustion conditions. Filters and catalytic converters are currently used to reduce soot and harmful...
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Briefs: Electronics & Computers
Ionization-Based Multidirectional Flow Sensor
One significant area of research in fuel cell technology includes systems in which a fuel cell is combined with another power generation device (a turbine, for example) to create a hybrid system that combines the advantages of the two standalone systems, resulting in a high fuel-to-electricity...
Briefs: Energy
New Catalyst for Plastic Production Also Creates Hydrogen
Researchers have developed a new, low-cost catalyst for plastic production that turns a biorefinery product into a starting material for the synthesis of plastics, which could represent a sustainable alternative to widespread PET. At the same time, hydrogen can also be formed during the...
Briefs: Energy
NASA's Glenn Research Center has developed a novel solid oxide fuel cell (SOFC) with five times the specific power density of currently available SOFCs. This highly efficient SOFC can operate on a wide...
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Briefs: Energy
Today's photovoltaic power systems are generally comprised of a single photovoltaic module or multiple modules connected by combinations of series and parallel circuits as a photovoltaic array. In...
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Briefs: Photonics/Optics
Most naturally occurring materials have a disordered atomic structure that interferes with the propagation of both sound and electromagnetic waves. When the waves come into contact with these...
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Briefs: Energy
Conventional lithium-ion batteries cannot be rapidly charged at temperatures below 50 °F. Electric vehicles are popular on the West Coast because the weather is conducive...
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Briefs: Energy
Relying on advanced materials such as perovskites and single-walled carbon nano-tubes, a window technology was developed that responds to heat by transforming from transparent to tinted....
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Briefs: Energy
Piezoelectric Resonator with Two Layers
Microelectromechanical systems (MEMS) filters have advantages in being able to reduce the size, weight, and power required when used as part of electronic systems such as radios; however, MEMS-type filters have limitations. For example, thickness MEMS-type filters (e.g., thickness-extensional mode...
Briefs: Materials
Eagles can store energy in their feet without having to continuously contract their muscles to then jump high or hold on to prey. New materials have been created that can store energy this way. The...
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Briefs: Aerospace
Synthesis and Development of Polyurethane Coatings Containing Fluorine Groups for Adhesive Applications
Accumulation of insect strikes on the leading edge of airplane wings is a more serious problem than one might realize. Depending on the magnitude, such accumulation changes the aerodynamic characteristics of the wing, causing a change from...
Briefs: Test & Measurement
Colloids — insoluble particles or molecules anywhere from a billionth to a millionth of a meter across — are so small they can stay suspended indefinitely in a liquid or even in air. Robots about...
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Briefs: Energy
Researchers have 3D-printed an array of light receptors on a hemispherical surface. This discovery could lead to a “bionic eye” that could someday help blind people see or sighted...
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Briefs: Aerospace
Power Line Detection System for Unmanned Aircraft Systems
Electrical power lines pose a serious crash hazard to helicopters and other air-based vehicles, especially small aerial vehicles such as unmanned aircraft systems (UAS). This is because power lines are so widespread, hard to see, and strung at roughly the same height above the ground at...
Briefs: Materials
When hit with light, semiconductors (materials that have an electrical resistance in between that of metals and insulators) generate an electric current....
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Briefs: Energy
Additive manufacturing (3D printing) can be used to manufacture porous electrodes for lithium-ion batteries, but because of the nature of the manufacturing process, the design of these 3D-printed...
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Briefs: Nanotechnology
The measurement of mechanical behavior in very small samples whose dimensions are on the order of microns and below can offer advantages over conventional macroscopic testing in many instances. Motivations for investigating...
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Briefs: Photonics/Optics
The objective of this effort was to design, fabricate, integrate, and fly a nuclear thermal rocket without having to build massive ground test facilities. Furthermore, this nuclear rocket would...
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Briefs: Test & Measurement
Stray Energy Indicator for Pyrotechnic Applications
A compact and portable system is used to monitor and store real-time measurements of stray energy through a pyrotechnic firing circuit using infrared technology. The infrared sensor is mated to the NASA Standard Initiator simulator, and is calibrated such that the current input through the...

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