Magazine

Large Format Li-Ion Calorimeter

Innovators at NASA Johnson Space Center have developed a method to measure the total and fractional heat response of large format Li-ion cells (cells with capacities greater than 100Ah) when driven into...

Room-Temperature Liquid-Metal Battery

The researchers have created a “room-temperature all-liquid-metal battery,” which includes the best of both worlds of liquid-and solid-state batteries.

A Biodegradable Filtration System for Waste Metal Recovery

This invention is a method of removing or adsorbing a target substance or material.

Using AI to Help Scale Up Advanced Solar Cell Manufacturing

The system makes it possible to integrate data from prior experiments, and information based on personal observations by experienced workers, into the machine learning process.

Unprinting Method Removes Toner with Xenon Light

A new way to unprint paper uses intense pulsed light from a xenon lamp.

Organic Steam Generator Uses Sunlight to Purify Water

Researchers have developed an inexpensive and eco-friendly steam generator to desalinate and purify water using sunlight.

New on the Market: September 2022

New on the market in September 2022, including inductors, a snap-action switch, a stamped spring socket, and more.

Virginia Tech College of Engineering

From artificial intelligence, cybersecurity, and manufacturing to health sciences, robotics, and more, the Virginia Tech College of Engineering offers an advanced engineering curriculum.

Fundamental EV Battery Models Explain New Tab Design

Cylindrical cells are one of the most common battery types used in electric vehicles. Tesla recently improved on the typical cylindrical cell design, developing a new tab design that allows for a much larger cell.

Ultrasound Tech Offers Sophisticated Battery-Testing Intelligence

The production and supply of lithium-ion batteries for the global EV and stationary energy storage systems (ESS) markets is growing at an exponential rate. At the same time,...

Niobium: Magic Metal for Battery Anodes?

The element niobium (Nb), a transition metal, stands ready to improve the performance of one of the lithium-ion (Li-ion) battery’s confusing array of possible electrode chemistries — the LTO...

A Supercapacitor Device for Carbon Capture

When it discharges, the carbon dioxide can be released in a controlled way and collected to be reused or disposed of responsibly.

Water-Activated Paper Battery

A team of researchers at EMPA have developed a water-activated disposable paper battery.

Electrolyte Additive Improves Battery Performance

The work could lead to improvements in the energy density of lithium batteries that power electric vehicles.

Triggering Li-ion Battery Cells with Laser Radiation

Inducing TR in a battery cell allows engineers to test and improve the safety performance of overheated batteries that can potentially catch fire or explode.

Building Temperature-Resilient Batteries

In tests, the proof-of-concept batteries retained 87.5 percent and 115.9 percent of their energy capacity at -40 °C and 50 °C (-40 °F and 122 °F), respectively.

Glassy Electrolyte Holds Promise for an All-Solid-State Sodium Battery

Lithium-ion batteries are currently the preferred technology for powering electric vehicles, but they’re too expensive for long-duration grid-scale energy storage systems.

Extending the Lifetime of Organic Aqueous Flow Batteries

Over the course of their research, the team discovered that these anthraquinones decompose slowly over time, regardless of how many times the battery has been used.

Designing Sodium-Ion Batteries with Extended Longevity

In batteries, electrolyte is the circulating “blood” that keeps the energy flowing. The electrolyte forms by dissolving salts in solvents, resulting in charged ions that flow between the positive and negative electrodes.

New Products

New products for September 2022.

Optimizing EV Performance Through the Power of Data

We are constantly blindsided by unfortunate battery-related events because as any engineer knows, the devil is in the details – the implementation details.

Designing a Silicon Photonic MEMS Phase Shifter with Simulation

Existing infrastructure still relies on many electrical signal processing components embedded inside fiber optic networks.

Meta Optical Elements

The size and complexity of lens systems can be reduced through flat optics that are based on pioneering meta optical elements (MOEs).

Time-of-Flight: Highly Reliable 3D Imaging for Challenging Applications

There are multiple technologies based on the ToF concept. Generally, all of them are synchronized with a light source and estimate the distance by calculating the time taken for the light to travel from the camera to the object and then back again.

Challenges of Fabricating and Coating Laser Crystals

Because laser crystals are sensitive optical components and are often used with high-power lasers, depositing the correct coatings onto them without introducing any defects is essential.

Designing a Human-Robot Collaboration System

Scientists analyzed the stability of the collaborative system based on speed and accuracy, as well as the conditions required for successfully performing tasks from geometric, force, and posture viewpoints.

New Technology Could Make Biopsies a Thing of the Past

MediSCAPE is a highspeed 3D microscope capable of capturing images of tissue structures that could guide surgeons to navigate tumors and their boundaries without needing to remove tissues and wait for pathology results.

Rice ‘Metalens’ Could Disrupt Vacuum UV Market

Tests showed the metalens they made could focus its 197-nanometer output onto a spot measuring 1.7 microns in diameter, increasing the power density of the light output by 21 times.