Materials & Coatings

Resilient Nylon Device Creates Electricity Under Tons of Pressure

Researchers have developed a flexible nylon-film device that generates electricity from compression and keeps working even after being run over by a car multiple times, opening the door to self-powered sensors on our roads and for other electronic devices. Read on to learn more.

Humidity-Resistant Hydrogen Sensor Can Improve Safety for Large-Scale Clean Energy

It's a challenge that today’s sensors do not work optimally in humid environments. Now, researchers at Chalmers University of Technology, Sweden, are presenting a new sensor that is well suited to humid environments — and actually performs better the more humid it gets. Read on to learn more about it.

Finding Hidden Damage in Cold-Formed Steel with Radar and AI

A University of Houston engineer has developed a method to detect possible damage in concealed cold-formed steel construction framing materials hidden behind walls, without having to tear the walls open. Read on to learn more.

Porous Radical Organic Framework Improves Lithium-Sulfur Batteries

A team led by Professor Yan Lu, Helmholtz-Zentrum Berlin, and Professor Arne Thomas, Technical University of Berlin, has developed a material that enhances the capacity and stability of lithium-sulfur batteries. Read on to learn more.

A Fully Autonomous Robotic System Measures Key Properties of New Materials

Scientists are striving to discover new semiconductor materials that could boost the efficiency of solar cells and other electronics. But the pace of innovation is bottlenecked by the speed at which researchers can manually measure important material properties. A fully autonomous robotic system developed by MIT researchers could speed things up. Read on to learn more.

Giving Magnets the Graphene Treatment

In an article published in Physical Review X, a team in The Grainger College of Engineering at the University of Illinois Urbana-Champaign showed how to engineer two-dimensional magnetic systems to obey the same equations as mobile electrons in the two-dimensional material graphene. Read on to learn more.

Optimizing 3D-Printed Helixes as Terahertz Optical Materials

Researchers at Lawrence Livermore National Laboratory have optimized and 3D-printed helix structures as optical materials for Terahertz frequencies, a potential way to address a technology gap for next-generation telecommunications, non-destructive evaluation, chemical/biological sensing and more. Read on to learn more.

How Electroadhesion Can Hold Materials Together

Is there a way to stick hard and soft materials together without any tape, glue, or epoxy? A new study published in ACS Central Science shows that applying a small voltage to certain objects forms chemical bonds that securely link the objects together. Read on to learn more.

Breakthrough in Carbon-Based Battery Materials Improves Safety, Durability, and Power

This research demonstrates a new way to make carbon-based battery materials much safer, longer lasting, and more powerful by fundamentally redesigning how fullerene molecules are connected. Read on to learn more.

Supercapacitors That Rival Batteries

In a study published in Nature Communications, a team reveals a new kind of carbon-based material that allows supercapacitors to store as much energy as traditional lead-acid batteries, while delivering power far faster than conventional batteries can manage. Read on to learn more.

Anode-Free Battery Doubles Electric Vehicle Driving Range

A joint research team led by Professor Soojin Park and Dr. Dong-Yeob Han of the Department of Chemistry at POSTECH, together with Professor Nam-Soon Choi and Dr. Saehun Kim of KAIST, and Professor Tae Kyung Lee and researcher Junsu Son of Gyeongsang National University, has successfully achieved a volumetric energy density of 1270 Wh/L in an anode-free lithium metal battery. This value is nearly twice that of lithium-ion batteries currently used in electric vehicles, which typically deliver around 650 Wh/L. Read on to learn more.

New Protective Layer Boosts Lithium Metal Battery Performance

The coating toughens the surface of the electrolyte fivefold against fracturing from mechanical pressure. It also makes existing imperfections much less vulnerable to lithium burrowing inside, especially during fast recharging. Read on to learn more.

Artificial Reef Could Protect Marine Life, Reduce Storm Damage

A team at MIT is hoping to fortify coastlines with “architected” reefs — sustainable, offshore structures engineered to mimic the wave-buffering effects of natural reefs while also providing pockets for fish and other marine life. The team’s reef design centers on a cylindrical structure surrounded by four rudder-like slats. Read on to learn more about it.

Using Waste to Purify Water

Using waste to purify water may sound counterintuitive. But at TU Wien, this is exactly what has now been achieved: a special nanostructure has been developed to filter a widespread class of harmful dyes from water. Read on to learn more about it.

Energy-Efficient Freshwater Generation System Inspired by Nature

A team of researchers is designing novel systems to capture water vapor in the air and turn it into liquid. University of Waterloo Professor Michael Tam and his Ph.D. students Yi Wang and Weinan Zhao have developed sponges or membranes with a large surface area that continually capture moisture from their surrounding environment. Read on to learn more.

New Electronic “Skin” Could Enable Lightweight Night-Vision Glasses

MIT engineers have developed a technique to grow and peel ultrathin “skins” of electronic material. The method could pave the way for new classes of electronic devices, such as ultrathin wearable sensors, flexible transistors and computing elements, and highly sensitive and compact imaging devices. Read on to learn more.

Harvesting Water from Air

Even in arid parts of the world, there is usually moisture in the air. This moisture could provide much-needed water for drinking and irrigation, but extracting water out of air is difficult. A new technology developed by KAUST researchers can consistently extract liters of water out of thin air each day without needing regular manual maintenance. Read on to learn more.

Soft Robots That Can Walk on Water

Imagine a tiny robot, no bigger than a leaf, gliding across a pond’s surface like a water strider. One day, devices like this could track pollutants, collect water samples, or scout flooded areas too risky for people. Baoxing Xu, Professor of Mechanical and Aerospace Engineering at the University of Virginia’s School of Engineering and Applied Science, is pioneering a way to build them. Read on to learn more.

Ultrasound Waves Move Objects Hands-Free

University of Minnesota Twin Cities researchers have discovered a new method to move objects using ultrasound waves, which opens the door for using contactless manipulation in industries in which devices wouldn’t need a built-in power source to move. Read on to learn more.

Meet ReSURF: An Ultrafast, Stretchable, Self-Healing, Recyclable Sensing Device

Clean, safe water is vital for human health and well-being. However, detecting contamination quickly and accurately remains a major challenge in many parts of the world. A groundbreaking new device developed by researchers at the National University of Singapore has the potential to significantly advance water quality monitoring and management. Read on to learn more.

Engineers Find New Ways to Connect Concrete Pieces for More Resilient Buildings

Researchers have developed five new ways to securely connect large concrete pieces. These connection methods are intended for a type of material called “precast concrete,” in which parts such as beams and columns are made in a factory and assembled later at a construction site. Read on to learn more.

New Membrane Technology to Extract Lithium from Water

To help meet surging demand and possible supply chain problems, scientists at the U.S. Department of Energy’s Argonne National Laboratory have developed an innovative membrane technology that efficiently extracts lithium from water. Read on to learn more.

Engineering a Coating for Bacteria-Free Produce

Dr. Mustafa Akbulut, Professor of Chemical engineering, has teamed up with Horticultural Science Professor Luis Cisneros-Zevallos to engineer longer-lasting, bacteria-free produce. Read on to learn more about it.

Octopus-Inspired Tech Can Operate Underwater

Using mechanisms inspired by nature to create new technological innovations is a signature of one Virginia Tech research team. The group led by Associate Professor Michael Bartlett has created an octopus-inspired adhesive, inspired by the shape of octopus suckers, that can quickly grab and controllably release challenging underwater objects. Read on to learn more about it.

Building a New 3D Material with DNA

In two papers, one released in Nature Materials and a second in ACS Nano, researchers describe a new methodology for fabricating targeted 3D nanoscale structures via self-assembly that can find use in a variety of applications, and they provide a design algorithm for others to follow suit. And it’s all based on the most basic biomolecular building blocks: DNA. Read on to learn more.

An Autonomous, Programmable Computer in the Form of an Elastic Fiber

MIT researchers have developed an autonomous programmable computer in the form of an elastic fiber, which could monitor health conditions and physical activity, alerting the wearer to potential health risks in real-time. Read on to learn more.

New Material Significantly Enhances Green Hydrogen Production Efficiency

Researchers in Korea have successfully developed a new material that significantly enhances the efficiency of green hydrogen production while reducing costs. Read on to learn more about it.

Holey Carbon Allotropes

Researchers at NASA have developed new methods to manufacture carbon materials (e.g., nanotubes, graphene) with holes through the graphitic surface of the particles. The methods generate materials with increased accessible surface area, increased functional groups at damage sites, and improved through-surface molecular transport properties.