Keyword: Electrical systems

Briefs: Power
NASA’s System-Wide Safety (SWS) project is developing innovative data solutions to assure safe, rapid, and repeatable access to a transformed National Airspace System.
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Briefs: Energy
The work could lead to improvements in the energy density of lithium batteries that power electric vehicles.
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Briefs: Energy
A highly efficient and long-lasting solar flow battery generates, stores, and redelivers renewable electricity from the Sun in one device.
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Articles: Power
General Motors’ new joint-research agreement with OneD underscores the promise of silicon-anode development.
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Briefs: Energy
In tests, the proof-of-concept batteries retained 87.5 percent and 115.9 percent of their energy capacity at -40 °C and 50 °C (-40 °F and 122 °F), respectively.
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Briefs: Energy
Engineers at the U.S. Department of Energy’s Argonne National Laboratory have designed a novel building-solar controller that optimizes solar energy with smart technology to keep microgrids operating for up to five days.
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Briefs: Research Lab
Have we found a better alternative to lithium-ion batteries?
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Briefs: Power
Vanillin is converted into a redox-active electrolyte material for liquid batteries.
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Briefs: Energy
The National Renewable Energy Laboratory is leading the development of new lithium-ion (Li-ion) battery designs specific to the stationary storage requirements.
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Briefs: Electronics & Computers

Researchers have discovered a single-molecule switch that can act like a transistor and store binary information such as the 1s and 0s used in classical computing. The molecule is around five...

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Articles: Unmanned Systems
Thanos Yiagopoulos, Chief Technology Officer of Momentive Performance Materials, discusses how engineers can determine the best product for their application.
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Briefs: Power
Decreasing Anode Corrosion in Metal-Air Batteries

Metal-air batteries can be used in a variety of applications ranging from range extenders for electric vehicles to emergency power systems. Metal-sea-water batteries are primarily used for underwater applications ranging from torpedoes to underwater unmanned vehicles. A team of researchers at the...

Briefs: Power

Electric vehicle batteries typically require a tradeoff between safety and energy density. If the battery has high energy and power density — required for uphill driving or merging on...

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Briefs: Energy

Wearable electronic components incorporated directly into fabrics have been developed that could be used for flexible circuits, healthcare monitoring, energy conversion, and other applications....

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Briefs: Energy

Electrification of the transportation sector is critical to future energy and environmental resilience and will require high-power fuel cells (either standalone or in conjunction with batteries) to...

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Briefs: Energy
The method enhances the battery's safety while it is being used, without opening the battery cell.
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Briefs: Manufacturing & Prototyping
The battery is smaller than a traditional lithium-ion battery due to the elimination of dendrites.
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Briefs: Semiconductors & ICs
The material improves connectivity while maintaining recyclability and low cost.
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Briefs: Manufacturing & Prototyping
The material enables lithium-ion batteries to be safely recharged within minutes for thousands of cycles.
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Briefs: Materials
The flexible, washable microgrid uses the human body to sustainably power small electronics.
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Articles: Mechanical & Fluid Systems
Self-healing materials, quick disconnects, and eco-friendly micro-supercapacitors.
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Briefs: Photonics/Optics
A new control mechanism may prove useful in devices that make use of optical signals.
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Application Briefs: Propulsion
Hybrid-electric propulsion systems hold clear potential to reduce aircraft carbon dioxide emissions and support the goal of greater sustainability in aviation.
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Briefs: Energy
A new technique for measuring the performance of lithium batteries uses thermal waves to measure local lithium concentration as a function of depth inside battery electrodes.
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5 Ws: Energy
Learn the Who, What, Where, Why, and When for an ocean battery that holds onto excess energy from offshore wind farms.
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Briefs: AR/AI
A machine learning method promises to predict battery health with 10 times higher accuracy than the current industry standard.
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Briefs: Materials
Sensing is incorporated directly into an object’s material, with applications for assistive technology and “intelligent” furniture.
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Briefs: Energy
The device is stretchy enough to wear like a ring, a bracelet, or any other accessory that touches the skin.
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Briefs: Wearables
The biofuel cells can power wearable electronics purely by using human sweat.
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