Electrical/​Electronics

Batteries

Find innovative solutions for design engineering challenges in battery management systems. Discover the latest battery system applications in wearables, autonomous vehicles, and other electronic systems.

Latest Briefs & News

Briefs : Test & Measurement
Wearable Motion Sensors Measure Fetal Heartbeat

A technique was developed that could allow expectant parents to hear their baby’s heartbeat continuously at home with a non-invasive and safe device that is potentially more accurate than any fetal heartrate monitor currently available in the market.

Blog : Manufacturing & Prototyping
A Standalone AC Battery Begins with a Cathode, an Anode, and a 'Biode'
A Standalone AC Battery Begins with a Cathode, an Anode, and a 'Biode'
The 'Biode' saves power by eliminating the need for AC/DC conversion.
A Standalone AC Battery Begins with a Cathode, an Anode, and a 'Biode'
News : Sensors/Data Acquisition
AUSA 2019: Eyes in the Sky
AUSA 2019: Eyes in the Sky
It just wouldn’t be a military technology show without a few drones on display.
AUSA 2019: Eyes in the Sky
INSIDER : Aerospace
A Battery-Free Sensor for Underwater Exploration
A Battery-Free Sensor for Underwater Exploration

To investigate the vastly unexplored oceans covering most of our planet, researchers aim to build a submerged network of interconnected sensors that send data to the surface — an underwater...

A Battery-Free Sensor for Underwater Exploration
Briefs : Semiconductors & ICs
Chip Converts Wasted Heat to Usable Energy

Car engines, laptop computers, cellphones, and refrigerators all heat up with overuse. That heat can be captured and turned into energy using a method that produces electricity from heat. The technology uses a silicon chip, also known as a “device,” that converts more thermal radiation into...

Briefs : Mechanical & Fluid Systems
3D-Printed Liquid Lab-on-a-Chip
3D-Printed Liquid Lab-on-a-Chip

Researchers have 3D-printed an all-liquid device that, with the click of a button, can be repeatedly reconfigured on demand to serve a wide range of applications from making battery materials to screening drug...

3D-Printed Liquid Lab-on-a-Chip
INSIDER : Design
A New Electrolyte for Lithium-Metal Batteries
A New Electrolyte for Lithium-Metal Batteries

Improvements to a class of battery electrolyte first introduced in 2017 — liquefied gas electrolytes — could pave the way to a high-impact and long-sought advance for rechargeable batteries:...

A New Electrolyte for Lithium-Metal Batteries
Articles : Electronics & Computers
10 Things to Consider When Specifying Small Metal and Plastic Enclosures
10 Things to Consider When Specifying Small Metal and Plastic Enclosures

Your new industrial electronic product has been designed and the board components specified. It has been prototyped, either on a development board to check...

10 Things to Consider When Specifying Small Metal and Plastic Enclosures
Articles : Materials
Products of Tomorrow: September 2019
Products of Tomorrow: September 2019

Semi-Liquid Metal Anode for Next-Generation Batteries

Researchers from Carnegie Mellon University have developed a semi-liquid lithium metal-based anode. Lithium batteries made using this new...

Products of Tomorrow: September 2019
Q&A : Energy
Q&A: A Circulatory System for Robots

Robert F. Shepherd is Associate Professor of Mechanical and Aerospace Engineering at Cornell University in Ithaca, NY. He is leading a team exploring the use of hydraulic fluids in soft robots to also serve as a source of energy.

Blog : Electronics & Computers
Answering Your Questions: With EV Battery Assembly, Why Adhesives Over Fasteners?
Answering Your Questions: With EV Battery Assembly, Why Adhesives Over Fasteners?
A reader asks an industry expert why adhesives are a better option for battery assembly in electric vehicles.
Answering Your Questions: With EV Battery Assembly, Why Adhesives Over Fasteners?
Briefs : Electronics & Computers
Technique Identifies Electricity-Producing Bacteria
Technique Identifies Electricity-Producing Bacteria

Certain species of bacteria that exist in oxygen-deprived environments must find a way to breathe that doesn't involve oxygen. These microbes — which can be found deep within mines, at...

Technique Identifies Electricity-Producing Bacteria
Briefs : Electronics & Computers
Visualizing Motion of Water Molecules for Liquid-Based Electronics

A high-resolution inelastic x-ray scattering technique was used to measure the strong bond involving a hydrogen atom sandwiched between two oxygen atoms. This hydrogen bond is a quantum-mechanical phenomenon responsible for various properties of water, including viscosity, that...

Briefs : Materials
Two-Dimensional Materials Improve Efficiency of Lithium-Air Batteries
Two-Dimensional Materials Improve Efficiency of Lithium-Air Batteries

Lithium-air batteries are poised to become the next replacement for currently used lithium-ion batteries that power electric vehicles, cell-phones, and computers....

Two-Dimensional Materials Improve Efficiency of Lithium-Air Batteries
Briefs : Energy
Hybrid Cathodes Could Boost Energy Capacity of Lithium Batteries
Hybrid Cathodes Could Boost Energy Capacity of Lithium Batteries

Today's lithium-ion batteries use cathodes (one of the two electrodes in a battery) made of a transition metal oxide. Batteries with cathodes made of sulfur are considered a...

Hybrid Cathodes Could Boost Energy Capacity of Lithium Batteries
Facility Focus : Sensors/Data Acquisition
Facility Focus: National Energy Technology Laboratory
Facility Focus: National Energy Technology Laboratory

The National Energy Technology Laboratory (NETL) is a U.S. Department of Energy (DOE) national laboratory — with sites in Anchorage, AK; Albany, OR; Morgantown, WV; and Pittsburgh, PA...

Facility Focus: National Energy Technology Laboratory
Briefs : Energy
Technology Produces Unclonable Digital Fingerprints for Internet of Things Devices
Technology Produces Unclonable Digital Fingerprints for Internet of Things Devices

Researchers have created technology that is 10 times more reliable than current methods of producing unclonable digital fingerprints that can be used to...

Technology Produces Unclonable Digital Fingerprints for Internet of Things Devices
Blog : Test & Measurement
Answering Your Questions: What Are My Lithium-Ion Battery Inspection Options?
Answering Your Questions: What Are My Lithium-Ion Battery Inspection Options?
Our readers ask: How do you know that you have the right anode? How can you inspect the electrolyte or electrode material?
Answering Your Questions: What Are My Lithium-Ion Battery Inspection Options?
Blog : Aerospace
The Apollo 11 ‘Spinoff’ Technologies We Still Use Today
The Apollo 11 ‘Spinoff’ Technologies We Still Use Today
Many of the technologies we use today – space blankets, hearing aids, food packaging – began on the Apollo 11 mission.
The Apollo 11 ‘Spinoff’ Technologies We Still Use Today
Briefs : Materials
Fuel Cell Technology Runs on Solid Carbon
Fuel Cell Technology Runs on Solid Carbon

Whereas hydrogen fuel cells (e.g., proton exchange membrane (PEM) and other fuel cells) generate electricity from the chemical reaction between pure hydrogen and oxygen, direct carbon fuel cells...

Fuel Cell Technology Runs on Solid Carbon
Briefs : Energy
Graphene Lid Extends Photoemission Electron Microscopy to Liquids
Graphene Lid Extends Photoemission Electron Microscopy to Liquids

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...

Graphene Lid Extends Photoemission Electron Microscopy to Liquids
News : Test & Measurement
Engineers Develop Concept for Hybrid Heavy-Duty Trucks
Engineers Develop Concept for Hybrid Heavy-Duty Trucks

Heavy-duty trucks, such as the 18-wheelers that transport many of the world's goods from farm or factory to market, are virtually all powered by diesel engines. They account for a...

Engineers Develop Concept for Hybrid Heavy-Duty Trucks
News : Transportation
Next-Generation, Low-Cost Stop Sign Improves Driver Safety
Next-Generation, Low-Cost Stop Sign Improves Driver Safety

It's dark on the back road as a motorist speeds toward the intersection. Up ahead, the stop sign blends with the night and in seconds a deadly crash occurs. According to the U.S....

Next-Generation, Low-Cost Stop Sign Improves Driver Safety
News : Electronics & Computers
Renewable Oils for Use in Lubricants Synthesized

Engine gears, plane thrusters, refrigerator compressors, wind turbines – the list of important industrial machinery, agricultural equipment, transportation vessels, and home applications that depend on lubricants might be endless. These slick substances quite literally keep the world turning,...

Briefs : Electronics & Computers
Diagnose Lithium Batteries
Diagnose Lithium Batteries

Batteries with metallic lithium anodes offer enhanced efficiency compared to conventional lithium-ion batteries because of their higher capacity. However, safety concerns and a short lifespan stand in the way. To...

Diagnose Lithium Batteries