Keyword: Ultracapacitors and supercapacitors

Briefs: Energy
The material improves connectivity while maintaining recyclability and low cost.
Articles: Mechanical & Fluid Systems
Self-healing materials, quick disconnects, and eco-friendly micro-supercapacitors.
Technology Leaders: Energy
Learn about the properties of each capacitor option, and their ideal applications.
Articles: Energy
A comparison of passive and active supercapacitor charging methods emphasizes the need for a close inspection on power source and supercapacitor demand.
Briefs: Energy
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: Motion Control
A stretchable system can harvest energy from human breathing and motion.
Briefs: Semiconductors & ICs
This supercapacitor promises storage, high power, and fast charging.
Briefs: Energy
A wearable energy harvesting device could generate energy from the swing of an arm while walking or jogging.
Briefs: Wearables

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

Briefs: Test & Measurement

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

Briefs: Electronics & Computers

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: Electronics & Computers

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: Automotive
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: 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: 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: Automotive

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...

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...

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.

Briefs: Photonics/Optics

Ionic liquids—salts made by combining positively charged molecules (cations) and negatively charged molecules (anions) that are liquid at...

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.

Briefs: Energy
High-Voltage Supercapacitors for Improved Energy Density Hybrid Power Sources

Both the aerospace and automotive industries depend increasingly on electrochemical energy storage. Reduction in mass, increase in energy, and increase in power can benefit both of these areas dramatically. Supercapacitors are currently under consideration for use in...

Briefs: Manufacturing & Prototyping

NASA has developed a versatile method and associated apparatus for constructing and using a conductive filament in various applications of 3D printing. It uses an attractive polymer...

Briefs: Electronics & Computers
Metal Oxide Vertical Graphene Hybrid Supercapacitors

NASA has developed a novel hybrid supercapacitor system utilizing vertical graphene as an electrode material grown directly on collector metals using a plasma enhanced chemical vapor de - position. Supercapacitors are an alternative to batteries for energy storage, offering high power density...

Briefs: Energy
Solid-State Ultracapacitor

NASA’s Marshall Space Flight Center has developed a solid-state ultracapacitor utilizing a novel nanocomposite dielectric material. The material’s design is based on the internal barrier layer capacitance (IBLC) concept, and it uses novel dielectric and metallic conductive ink formulations.

Briefs: Electronics & Computers
Isolated Bidirectional DC Converters for Distributed Battery Energy Applications

Power systems are the core heartbeat of any advanced vehicle. Reliability and flexibility of these systems are of the highest priority. This innovation is a highly efficient and modular isolated bidirectional DC converter for battery energy applications that has...

Articles: Aerospace
Modular Jet Ski: No Trailer, Affordable, High-Performance Anders Stubkjaer
BomBoard LLC
Whitewater, WI

Millions of water enthusiasts have no...

Articles: Energy

Wireless technology is growing rapidly, now encompassing consumer-grade devices as well as industrial-grade products used in utility meter reading (AMR/AMI), wireless mesh networks, system...

Application Briefs: Robotics, Automation & Control

YLOG, a startup company in Austria, uses an intelligent and very environmentally friendly logistics system that is winning an increasing number of customers. The technology makes use of...