Electrical, Electronics, and Avionics

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2005
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Briefs: Materials
Process Turns Carbon Dioxide into 3D Graphene with Microporous Surface
The conversion of carbon dioxide to useful materials usually requires high energy input due to its ultrahigh stability. A heat-releasing reaction between carbon dioxide and sodium was developed to take carbon dioxide and turn it into 3D graphene with micropores across its...
Briefs: Materials
Researchers at NASA have developed new methods to manufacture carbon materials (e.g., nanotubes, graphene) with holes through the graphitic surface of the particles. The...
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Briefs: Electronics & Computers
A well-designed thermal management system is critical to the life and performance of electric-drive vehicles (EDVs), hybrids (HEVs), plug-in hybrids (PHEVs), and all-electric vehicles (EVs). Temperature and...
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Application Briefs: Medical
Keysight TechnologiesSanta Rosa, CAwww.keysight.com Implantable medical biosensors are commonly used to treat health problems via the unobtrusive collection of medical data...
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Briefs: Green Design & Manufacturing
A device has been developed that is capable of relatively lengthy unattended operations and high sampling frequency of underwater environmental data anywhere in the world. The...
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Articles: Automotive
2017 Create the Future Design Contest Special Awards Section
The Create the Future Design Contest was launched 16 years ago by Tech Briefs Media Group (publishers of Tech Briefs magazine) to help stimulate and reward engineering innovation. Since then, the annual contest has drawn more than 14,000 product design ideas from engineers, students, and...
Articles: Energy
Conformal Battery Russell Kittel, Krista Smith, Kathryn Chamberlain, Steve Risser, Christopher Jackson, and Megan MooreBattelleColumbus, OH Today's highly mobile world...
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Articles: Energy
This column presents technologies that have applications in commercial areas, possibly creating the products of tomorrow. To learn more about each technology, see the contact information provided for that innovation.
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Briefs: Photonics/Optics
Ionic liquids—salts made by combining positively charged molecules (cations) and negatively charged molecules (anions) that are liquid at...
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Application Briefs: Energy
Siemens PLM SoftwarePlano, TXwww.plm.automation.siemens.com The use of lithium-ion (Li-ion) batteries has made the electric vehicle (EV) a reality, and electric...
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Briefs: Motion Control
Folding robots based on origami have emerged as an exciting new frontier of robotic design. However, they generally require onboard batteries or a wired connection to a power source, making them...
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Briefs: Propulsion
Wireless Ultrasonic Inspection Propulsion System
During inspection of pressure vessels and other large structures, an industry-accepted fixture is used to hold the search unit a predetermined distance from the area of interest under inspection. This fixture is then moved manually around the area of interest so that data can be collected and stored...
Briefs: Electronics & Computers
Printed electronics must be heated to melt all the nanoparticles together into a single conductive wire, making it impossible to print circuits on inexpensive plastics or paper. A study...
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Articles: Electronics & Computers
This column presents technologies that have applications in commercial areas, possibly creating the products of tomorrow. To learn more about each technology, see the contact information provided for that innovation.
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Articles: Motion Control
Electromagnetic compatibility (EMC) in frequency converters can be very problematic if not addressed properly in the initial design. EMC ensures the proper operation of devices to avoid negative...
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Briefs: Manufacturing & Prototyping
Engineers have developed a simple method for producing high-quality graphene that can be used in next-generation electronic and energy devices. The method essentially bakes the compound in a...
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Briefs: Robotics, Automation & Control
Extreme temperatures are hard for mechanical components to endure without degrading. To address the problem, researchers at MIT worked with several other universities to develop a new way to...
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Briefs: Sensors/Data Acquisition
A voltage detector chip was developed that requires only a few trillionths of a Watt (picowatts) to activate other circuits, enabling engineers to design sensors that continuously listen, without...
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Articles: Electronics & Computers
This column presents technologies that have applications in commercial areas, possibly creating the products of tomorrow. To learn more about each technology, see the contact information provided for that innovation.
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Briefs: Energy
Three-Dimensional Zinc Electrode Architectures for High-Performance Batteries
Zinc-based batteries offer a safe, inexpensive alternative to fire-prone lithium-based batteries, yet have been historically limited by poor rechargeability. A 3D zinc (Zn) “sponge” electrode architecture was developed comprising interpenetrating networks of Zn...
Briefs: Energy
A bacteria-powered battery that can power disposable electronics has been created on a single sheet of paper. The manufacturing technique reduces fabrication time and cost, and the...
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Briefs: Test & Measurement
The dependability of energy storage devices — particularly batteries — is becoming increasingly important to consumers, industry, and the military. As battery technology becomes more complex and users' expectations...
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Briefs: Energy
Battery safety is key to the acceptance and penetration of electric vehicles into the marketplace. When battery internal shorts occur, they tend to surface without...
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Articles: Materials
This column presents technologies that have applications in commercial areas, possibly creating the products of tomorrow. To learn more about each technology, see the contact information provided for that innovation.
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Briefs: Green Design & Manufacturing
WX Subsystem Weather Station
The WX Subsystem Weather Station was designed for use as part of the Weather Instrumentation (WX) Subsystem for the Constellation Program (CxP) to be implemented in the Launch Complex 39B at Kennedy Space Center. The weather stations need to be rugged, robust, and reliable. Although this equipment is not to be located...
Briefs: Electronics & Computers
NASA Langley Research Center has developed a wireless, connection-free, open-circuit technology that can be used for developing electrical devices such as...
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Articles: Motion Control
There is always a need to increase production in automation applications. Sometimes achieving improvements requires breaking the process down to its fundamental basics. The...
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Briefs: Energy
Solid-State Lithium Sulfur Battery
Sulfur is a promising cathode for lithium batteries due to its high theoretical specific capacity (1673 mAh/g), low cost, and environmental friendliness. With a high specific energy density of 2500 Wh/kg, which is a five times greater energy density than a conventional Li-ion battery, Li-S batteries hold great...
Briefs: Energy
Standardized Heating Method to Trigger and Prevent Thermal Runaway Propagation in Lithium-Ion Batteries
Lithium-ion (Li-ion) cells are increasingly used in high-voltage and high-capacity modules. The Li-ion chemistry has the highest energy density of all rechargeable battery chemistries, but associated with that energy is the issue of catastrophic...

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