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 : Materials
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...

Articles : Aerospace
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 : Mechanical & Fluid Systems
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 : Energy
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 : Energy
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 : Automotive
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 : Software
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 : Automotive
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 : Electronics & Computers
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 : Energy
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 : Sensors/Data Acquisition
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 : Sensors/Data Acquisition
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 : Energy
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
Briefs : Energy
Graphene Coating Takes Oxygen Out of Lithium Battery Fires
Graphene Coating Takes Oxygen Out of Lithium Battery Fires

Lithium batteries allow electric vehicles to travel several hundred miles on one charge. Their capacity for energy storage is well known — so is their tendency to occasionally...

Graphene Coating Takes Oxygen Out of Lithium Battery Fires
Briefs : Energy
Battery Electrolyte Doubles Driving Range for Electric Vehicles

Conventional electrolytes used in lithium-ion batteries that power household electronics like computers and cellphones are not suitable for lithium-metal batteries. Lithium-metal batteries that replace a graphite electrode with a lithium electrode are the holy grail of energy...

Briefs : Transportation
Eliminating Corrosion Extends Life of Lightweight Batteries
Eliminating Corrosion Extends Life of Lightweight Batteries

Metal-air batteries are one of the lightest and most compact types of batteries but when not in use, they degrade quickly, as corrosion eats away at their metal electrodes. While...

Eliminating Corrosion Extends Life of Lightweight Batteries
Briefs : Electronics & Computers
Impact-Resistant Battery Electrolyte Solidifies When Hit
Impact-Resistant Battery Electrolyte Solidifies When Hit

Lithium-ion batteries commonly used in consumer electronics are notorious for bursting into flame when damaged or improperly packaged. Inspired by the unusual behavior of some liquids...

Impact-Resistant Battery Electrolyte Solidifies When Hit
Briefs : Lighting Technology
Running an LED in Reverse Could Cool Future Computers
Running an LED in Reverse Could Cool Future Computers

Researchers devised a method in which running a light emitting diode (LED) with electrodes reversed was able to cool another device nanometers away. They harnessed the chemical potential...

Running an LED in Reverse Could Cool Future Computers
Blog : Energy
A Better Battery Offers ‘All-Renewable’ Promise for the Power Grid
A Better Battery Offers ‘All-Renewable’ Promise for the Power Grid
An Ohio State researcher shares with Tech Briefs the promise of potassium-oxygen batteries.
A Better Battery Offers ‘All-Renewable’ Promise for the Power Grid
Blog : Aerospace
AUVSI XPONENTIAL 2019: Helicopter Drones
AUVSI XPONENTIAL 2019: Helicopter Drones
Three new unmanned helicopters were unveiled at AUVSI’s XPONENTIAL show in Chicago.
AUVSI XPONENTIAL 2019: Helicopter Drones