New Battery Technology Could Power Wearable, Self-Sustaining Fever Detector

The device harnesses the thermal energy generated by body heat.

Reduced Heat Leakage Improves Wearable Heat Harvester

A flexible heat harvesting device shows better efficiency at retaining heat to power the device.

The Challenges of Handheld and Wearable Medical Device Batteries

Batteries must meet high power capacity, small physical size, and reliability requirements.

Flexible Screen-Printed Rechargeable Battery

The device can be used in flexible, stretchable electronics for wearables as well as soft robotics.

Chipset-Specific IPDs Simplify Development of Next-Gen Wireless Medical IoT Applications

Miniaturized, front-end IPDs are specifically designed to seamlessly connect.

Electronic Skin for Haptic Interfaces Is Light, Tight, and Battery Free

A system of “electronic skin-integrated haptic interfaces” jointly developed by City University of Hong Kong (CityU) and other academic institutions can help users...

Conductive Textiles Connect Multiple Wearables

Researchers at the National University of Singapore (NUS) have invented a completely new way for wearable devices to interconnect. They incorporated conductive textiles into clothing to...

Flexible High-Energy Textile Lithium Battery Designed for Wearables

Researchers at Hong Kong Polytechnic University (PolyU) have developed a highly flexible, high-energy textile lithium battery that offers more stable, durable, and safe...

Scientists 3D Print All-Liquid ‘Lab on a Chip’

Researchers at DOE's Lawrence Berkeley National Laboratory (Berkeley Lab) have 3D printed an all-liquid device that, with the click of a button, can be repeatedly reconfigured on demand to...

Wearable Battery Uses Super-Coiled Fibers

Super-elastic multifunctional super-coiled fibers can stretch up to 16 times maximum and maintain electronic characteristics at the same time. The new fibers can be used in various electronic...

Researchers Develop Long-Lasting Disposable Health Patch

Researchers have created a health patch that offers unprecedented comfort and a long battery life, previously unseen in this type of device. The patch can also be manufactured at a...

Low-Voltage Cap Could Improve DBS Devices

Treatment to control involuntary body movements characteristic of Parkinson's disease could someday be guided by brain signals recorded by electrodes inside a fashionable hat. That is a piece of a...

‘Candy Cane’ Polymer Weave Could Power Future Functional Fabrics and Devices

If scientists are ever going to deliver on the promise of implantable artificial organs or clothing that dries itself, they’ll first need to solve the problem...

Repetition Key to Self-Healing, Flexible Medical Devices

Medical devices powered by synthetic proteins created from repeated sequences of proteins may be possible, according to materials science and biotechnology experts, who looked at...

Engineers Develop Flexible Lithium Battery for Wearable Electronics

A team of engineers has developed a prototype Li-ion battery that obtains both good flexibility and high-energy density. It allows remarkable flexibility, high energy...

Flexible Batteries Make Dental Aids ‘Smart’

Smart 3D printed braces that incorporate nontoxic batteries and lights could reduce the time and costs involved in realigning and straightening teeth.

‘Near-Zero-Power’ Temperature Sensor Could Make Wearables Less Power-Hungry

Electrical engineers at the University of California San Diego have developed a temperature sensor that runs on only 113 picowatts of power — 628 times lower...

New System Eliminates Need for Pacemaker Batteries

Researchers have developed a piezoelectric system that converts the heart’s vibrational energy into electricity to power pacemakers, eliminating the need for batteries. Unlike...

Embedded System Design and Development for ARM-Based Laboratory Analyzers

What’s the most efficient way to design the appropriate embedded logic into a laboratory device? More and more often, the answer is to use computer-on-modules, even...

Active Implants: How Gold Binds to Silicone Rubber

Flexible electronic parts could significantly improve medical implants. However, electroconductive gold atoms usually hardly bind to silicones. Researchers from the University of Basel have...

Supercapacitor Could Make Implantables Battery-Free, Longer Lasting

Researchers from UCLA and the University of Connecticut have designed a new biofriendly energy storage system called a biological supercapacitor, which operates using...

Black Silicon Prevents Eye Implant from Gumming Up

A team of researchers led by Caltech's Hyuck Choo has developed an eye implant for glaucoma patients that could one day lead to more timely and effective treatment.

Quality Assurance: Risk Mitigation for Lithium-Ion Battery Packs

Safety and reliability are the key concerns when determining the right power source for a medical device. Lithium-ion (Li-ion) batteries are often considered for their higher...

Edible Battery Could Power Ingestible Medical Devices

Nontoxic, edible batteries could one day power ingestible devices for diagnosing and treating disease. One team reports new progress toward that goal with their batteries made with...

Transient Battery Self-Destructs When Dropped in Water

A self-destructing, lithium-ion battery from Iowa State University delivers 2.5 volts and dissolves or dissipates in 30 minutes when dropped in water.

Finding Flaws in Medical Implants

Cracks in ceramic capacitors, devices that store electric charge in electronic circuits, can cause damage to such disparate objects as medical implants and spacecraft. The cracks, which are often hidden...

Freezing Graphene for 3D Printing

Researchers tame aerogel by freezing it.

Graphene, which was discovered in 2004, is 1 million times thinner than a human hair, 300 times stronger than steel, and is the best known conductor of heat and...

Two-Stage Power System Boosts Energy-Harvesting Efficiency

A two-stage power management and storage system from Georgia Institute of Technology improves the efficiency of triboelectric generators to harvest energy from irregular human...

'Water-in-Salt' Approach Leads to Safer Batteries

An aqueous “Water-in-Salt” battery developed by researchers from the University of Maryland and the U.S. Army prevents risks related to fire, poisonous chemical exposure, and...