Energy

Ocean Platform Motion Control

NASA engineers have developed a new approach to mitigating unwanted motion in floating structures. Ideally suited to applications including offshore wind energy platforms and barges, the innovation uses water ballast as a motion damping fluid.

A Safer, More Efficient Lithium Metal Battery

A research team from DGIST has developed a lithium metal battery using a “triple-layer solid polymer electrolyte” that offers greatly enhanced fire safety and an extended lifespan.

My Opinion: There’s a Practical Way to Fix the Electric Grid Bottleneck

There will be a surging need for more electric power in the coming years. The problem is that we will quickly need to upgrade the grid to provide for it. Reconductoring can be a good start.

How Much Do You Know About Solar Power?

Solar power is the conversion of energy from sunlight into electricity. How much do you know about solar power? Test your knowledge with this quiz.

Replacing Thick Insulation with Thin MXenes

Research reports that MXenes, a class of 2D materials originally discovered at Drexel University in 2011, demonstrate the rare combination of high electrical conductivity and low thermal conductivity.

The State of AI: Manufacturing 2025

AI represents a tremendous opportunity across the manufacturing industry. To successfully implement and benefit from AI in 2025, manufacturers will need to develop a clear AI strategy, optimize operations, and manage risks. Read on to learn more.

Critical Minerals Recovery from Electronic Waste

A PNNL research team used a simple mixed-salt water-based solution and their knowledge of metal properties to separate valuable minerals in continuously flowing reaction chambers. Read on to learn more.

Fabricating High-Temperature Superconducting Wires for Future Energy Generation

Researchers have fabricated the world’s highest-performing HTS wire segment while making the price-performance metric significantly more favorable. Read on to learn more.

Designing Next-Generation Carbon Dioxide Removal Technology for Better Life in Space

Engineers at NASA used modeling and simulation with experimental testing to analyze the next generation of compressor designs that get the job done more quietly, with fewer maintenance needs, and at lower fabrication cost. Read on to learn more.

Top 10 Most-Read Tech Briefs Stories of 2024

With another year of Tech Briefs almost in the books, it's time to look at our most-read articles of 2024.

How Much Do You Know About Connecting DC Programmable Power Supplies in Series or Parallel?

There are some applications where the use of a single power supply may not be sufficient to provide the power required by the load. How much do you know about connecting DC programmable power supplies in series or parallel? Find out with this quiz.

3 Energy Technologies that Will Power Your Interest

Watch this video to learn more about three new energy technologies. One is from Rice University; one is from Université Grenoble Alpes, Grenoble, France and University of San Diego, CA; and the last one is from Swiss Federal Laboratories for Materials Science and Technology (Empa).

Videos of the Month

See the videos of the month, including one on Michigan Engineering racing its 17th solar car, Astrum, across the Australian Outback; one on how NASA’s Europa Clipper — a 7,000-pound spacecraft — was packed and shipped from the agency’s Jet Propulsion Laboratory in Southern California to Kennedy Space Center in Florida; one on the MIT Media Lab’s Space Exploration Initiative; and one on leveraging precision growth to convert plants into biodegradable electronic devices.

Silicone Membrane for Wearable Devices is Comfortable and Breathable

A silicone membrane for wearable devices is more comfortable and breathable thanks to better-sized pores made with the help of citric acid crystals. The new preparation technique fabricates thin, silicone-based patches that rapidly wick water away from the skin. The technique could reduce the redness and itching caused by wearable biosensors that trap sweat beneath them. Read on to learn more.

3D-Printed Reactor Core Makes Solar Fuel Production More Efficient

In recent years, engineers at ETH Zurich have developed the technology to produce liquid fuels from sunlight and air. In 2019, they demonstrated the entire thermochemical process chain under real conditions for the first time, in the middle of Zurich, on the roof of ETH Machine Laboratory. Two ETH spin-offs, Climeworks and Synhelion, are further developing and commercializing the technologies. Read on to learn more.

Solving the Battery Recycling Challenge

The surging global popularity of electric vehicles is creating a new challenge: a mounting pile of spent lithium-ion batteries. In just a decade, more than 1.2 million tons of lithium-ion batteries will reach their end-of-life, creating an urgent need for efficient and profitable recycling solutions. This impending battery waste crisis presents both a challenge and an opportunity. Read on to learn more.

DC-DC Converters for High Reliability eVTOL Auxiliary Power Systems

eVTOL power system architectures are not yet well defined, and with the wide variety of possible configurations, from small, unmanned drones through multiseat passenger craft, there may never be one standard. Read on to learn what this means.

Product Showcase

See what's in the product showcase, including Miba Resistors' RST5N resistor series; Luxinar's femtosecond lasers; Freudenberg Sealing Technologies' cell caps; CPEG's durable equipment to safely handle and process lithium and other minerals for lithium-ion batteries; and much more.

Folded or Cut, This Lithium-Sulfur Battery Keeps Going

To address stability and safety issues, researchers have designed a lithium-sulfur battery that features an improved iron sulfide cathode. One prototype remains highly stable over 300 charge-discharge cycles, and another provides power even after being folded or cut. Read on to learn more.

Second Life of Lithium-Ion Batteries Could Take Us to Space

The global use of lithium-ion batteries has doubled in just the past four years, generating alarming amounts of battery waste containing many hazardous substances. The need for effective recycling methods for spent lithium-ion batteries is becoming increasingly critical. Scientists from various Polish research institutions presented a promising solution to this issue. Read on to learn more about it.

Dormant Capacity Reserve in Lithium-Ion Batteries Detected

Using transmission electron microscopes, Researchers at Graz University of Technology were able to systematically track lithium ions as they traveled through battery material, map their arrangement in the crystal lattice of an iron phosphate cathode with unprecedented resolution, and precisely quantify their distribution in the crystal. Read on to learn more.

New Battery Cathode Material Could Revolutionize EV Market and Energy Storage

A multi-institutional research team led by Hailong Chen has developed a new, low-cost cathode that could radically improve lithium-ion batteries (LIBs) — potentially transforming the electric vehicle (EV) market and large-scale energy storage systems. Read on to learn more.

Researchers Unveil Scalable Graphene Technology to Revolutionize Battery Safety and Performance

Researchers have developed a pioneering technique for producing large-scale graphene current collectors. This breakthrough promises to significantly enhance the safety and performance of lithium-ion batteries (LIBs), addressing a critical challenge in energy storage technology. Read on to learn more.

Researchers Discover a Surprising Way to Jump-Start Battery Performance

In a study published in Joule, researchers at the SLAC-Stanford Battery Center report that giving batteries a first charge at unusually high currents increased their average lifespan by 50 percent while decreasing the initial charging time from 10 hours to just 20 minutes. Read on to learn more.

Crafting Safe, Long-Cyclable Lithium Metal Batteries for High Temperatures

A research team led by Professor Dong-Myeong Shin of the Department of Mechanical Engineering at the University of Hong Kong has developed a new generation of lithium metal batteries, representing a significant advancement in the field. Here, an interview with Shin to learn more about the technology.