High-Power Direct Borohydride Fuel Cells

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...

Safe, High-Energy Li-Ion Battery for Electric Vehicles

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...

Washable, Wearable Battery-Like Devices

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

5 Ws of the Ocean Battery

Learn the Who, What, Where, Why, and When for an ocean battery that holds onto excess energy from offshore wind farms.

Compact and Robust Connectors Prove Pivotal in CubeSat Deployment

Learn about the interconnects that are supporting today's miniature satellites.

Q&A: Optimizing Lithium-Ion Batteries for Extreme Fast Charging

New lithium-ion batteries that can be charged in 10 to 15 minutes at a roadside charging station.

Energy Harvesting Can Enable 1 Trillion Battery-Free Sensors in the IoT

A tiny investment in system capital expenditures can lead to huge rewards in reduced capital and operating expenses.

Selecting the Best Power Supply for Your Stepper or Servo Motor Application

We review three of your power-supply choices.

Maximizing Safety in Advanced Battery Systems

Fuse devices enable circuit safety in high-power applications, such as motion control and alternative energy generation, in addition to electric vehicles.

2016 Create the Future Design Contest: Grand Prize Winner

HYLIION - HYBRID TECHNOLOGY FOR SEMI-TRAILERS AND THE TRUCKING INDUSTRY

Thomas Healy, RF Culbertson, AJ Emanuele, Morgan Culbertson, Wilson Sa, Pam Culbertson, Chad Saylor, Len...

Two-Phase Thermal Switch

There is a wide range of spacecraft thermal management applications that require variable conductance devices such as thermal switches. These switches are used to help maintain the heat source (electronics)...

2015 Create the Future Design Contest: Grand Prize Winner

Non-Surgical Circulatory Support Device for the Treatment of Chronic Heart Failure Omar Benavides, Benjamin Hertzog, Jace Heuring, Reynolds
Delgado, and Will Clifton
...

Selecting the Proper Motor for Linear Motion Applications

Linear motion systems are found inside countless machines including precision laser cutting systems, laboratory automation equipment, semiconductor fabrication machines, CNC machines,...

Lithium-Ion Battery Technologies with High Energy Density

There is a need to advance the development of high energy density batteries, along with other efficient alternative energy sources. The need for batteries having a higher energy...

Inductive Linear-Position Sensor/Limit-Sensor Units

A new sensor (see figure) provides an absolute position measurement. The figure presents a schematic view of a motorized linear- translation stage that contains, at each end, an electronic...

Seven-Element Circularly Polarized Patch Antenna

A seven-element microstrip patch antenna is designed to operate with circular polarization and high gain at a frequency of 2.2875 GHz. The antenna was developed in the early 1990s as a...