Keyword: Capacitors

Briefs: Electronics & Computers

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

Briefs: Sensors/Data Acquisition
The material improves connectivity while maintaining recyclability and low cost.
Articles: Mechanical & Fluid Systems
Self-healing materials, quick disconnects, and eco-friendly micro-supercapacitors.
Briefs: Materials
By introducing defects to a common material, a highly efficient capacitor offers dramatically increased energy density.
Technology Leaders: Energy
Learn about the properties of each capacitor option, and their ideal applications.
Articles: Electronics & Computers
A comparison of passive and active supercapacitor charging methods emphasizes the need for a close inspection on power source and supercapacitor demand.
Briefs: Materials
The energy storage device can store a charge up to 900 times greater than state-of-the-art supercapacitors.
Briefs: Electronics & Computers
These robust supercapacitors still work when stretched to eight times their original size.
Briefs: Energy
A stretchable system can harvest energy from human breathing and motion.
Briefs: Energy
This supercapacitor promises storage, high power, and fast charging.
Briefs: Electronics & Computers
The capacitor could enable a new generation of electronics that will require less power and generate less heat.
Briefs: Energy
A wearable energy harvesting device could generate energy from the swing of an arm while walking or jogging.
Briefs: Electronics & Computers

Researchers have created highly stretchable supercapacitors for powering wearable electronics that consist of crumpled carbon nanotube (CNT) forests. The supercapacitors demonstrated solid performance...

Briefs: Imaging

By capping liquids with graphene (an ultrathin sheet of pure carbon), researchers can easily image and analyze liquid interfaces and the surface of nanometer-scale objects...

Briefs: Sensors/Data Acquisition

Stretchable electronics, which can be stretched, deformed and wrapped onto nonplanar curved surfaces, have attracted much attraction due to their...

Briefs: Energy

Wearable biosensors for health monitoring lack a lightweight, long-lasting power supply. A new method was developed for making a charge-storing system that is easily integrated into...

Briefs: Transportation

Growing demand for electric vehicles and more sustainable forms of transport means finding new forms of energy storage such as batteries, supercapacitors, and fuel cells. Currently, a major...

Briefs: Electronics & Computers

There are applications that require multiple electric machine drives, such as electric or hybrid electric vehicles, where there is a main traction motor and one or more accessory...

Briefs: Transportation
Electrode Design Boosts Supercapacitor Performance

Supercapacitors are rechargeable energy storage devices that deliver more power for their size than similar-sized batteries. They also recharge quickly, and they last for hundreds to thousands of recharging cycles. Today, they are used in hybrid cars’ regenerative braking systems and for other...

Briefs: Electronics & Computers

A temperature sensor was developed that runs on 113 picowatts of power — about 10 billion times smaller than a Watt. The technology could enable devices that can be powered by harvesting energy from...

Briefs: Imaging

Positional sensors have applications where a very accurate measurement of position is needed over a limited range. One example of such an application is in manipulation of a...

Briefs: Mechanical & Fluid Systems

NASA’s Kennedy Space Center (KSC) has created the Cryo-Fluid Capacitor (CFC) that capitalizes on the energy storage capacity of liquefied gases, and the relative simplicity of high-pressure gas bottles while...

Application Briefs: Photonics/Optics

As the lighting industry continues to mature, vendors continue to pursue inexpensive lighting solutions that offer universal compatibility and are easy to install. For OEMs and manufacturers, LEDs have proven to be a...

NASA Spinoff: Mechanical & Fluid Systems

Initially designed for use on the Moon, the Electro-Hydraulic Fracturing system — developed at Auburn University with NASA funding — relies upon short, high-pulse power created by...

Briefs: Energy

Researchers have developed yarns that generate electricity when they are stretched or twisted. The “twistron” yarns are constructed from carbon nanotubes — hollow cylinders of carbon...

Briefs: Sensors/Data Acquisition

A temperature sensor was developed that runs on 113 picowatts of power — about 10 billion times smaller than a Watt. The technology could enable devices that can be powered by harvesting energy from...

Briefs: Mechanical & Fluid Systems

Supercapacitors can store and deliver energy faster than conventional batteries. But to realize advanced applications, supercapacitors need better electrodes, which connect the...

Briefs: Energy

Servo control systems require accurate control of motion parameters such as acceleration, velocity, and position. This requires a controller that can apply current (torque) to...

Briefs: Energy

NASA's Marshall Space Flight Center has developed a solid-state ultracapacitor with a unique combination of high capacitance and battery-like discharge characteristics. The high capacitance in...