Energy Efficiency

Scientists Create Superconducting Semiconductor Material

Scientists have long sought to make semiconductors that are also superconducting, thereby enhancing their speed and energy efficiency and enabling new quantum technologies. However,...

New Cooling Technique Could Make Computer Chips More Powerful

As more devices get piled onto computer chips to increase processing power capacity, heat generation becomes increasingly concentrated. This heat must be removed to keep chip...

The End of the Beginning: Why the EV Market Will Overcome the Loss of Tax Credits

Will EV sales in the U.S. double by the end of the decade, or more? Will the U.S. keep pace with China’s relentless iterative improvements on EV technology, or will China increasingly dominate the rapidly electrifying global transportation industry? Read on to learn more.

Integrating Photovoltaics with Crop Production

As countries race to expand renewable energy infrastructure, balancing clean electricity production with land use for food remains a pressing challenge — especially in Japan, where mountainous terrain limits space. A recent study led by researchers from the University of Tokyo explores a promising solution: integrating solar panels with traditional rice farming in a practice known as agrivoltaics. Read on to learn more.

New Triple-Junction Tandem Solar Cells with Increased Power Efficiency

Researchers from the National University of Singapore have developed a novel triple-junction perovskite/Si tandem solar cell that can achieve a certified world-record power conversion efficiency of 27.1 percent across a solar energy absorption area of 1 sq cm, representing the best-performing triple-junction perovskite/Si tandem solar cell thus far. Read on to learn more.

Magnetic Transistor Aims for Smaller, Faster, More Energy-Efficient Electronics

MIT researchers have replaced silicon with a magnetic semiconductor, creating a magnetic transistor that could enable smaller, faster, and more energy-efficient circuits.

Battery Show: Pickering 5-amp battery simulator speeds up BMS testing

Engineers looking for a new way to simulate battery cells as they develop new battery management systems might be interested in the latest PXI battery simulator modules...

Solving Fleet Electrification Bottlenecks with Battery-Integrated Charging Systems

Charging infrastructure has become the primary bottleneck to fleet electrification. Despite growing demand for electric trucks and increasing pressure to decarbonize logistics operations, many fleet operators face long delays for grid upgrades, transformer installations, and permitting, at times waiting more than a year to power vehicles that have already arrived. OptiGrid was formed in response to this growing gap between vehicle readiness and infrastructure availability. Read on to learn more.

New Products

See the new products, including Nexperia's ESD diodes designed to protect 48V automotive data communications networks against the destructive effects of electrostatic discharge events; Comau's collaboration with Intecells to optimize the use of cold plasma within industrial cell manufacturing processes; Carlo Gavazzi Automation's UWP-DLB Series, an advanced solution delivering intelligent dynamic load balancing for EV charging systems; and more.

New AI Tool Predicts Lithium Metal Anode Failures from Just Two Early Cycles

In a groundbreaking study, researchers at Tsinghua Shenzhen International Graduate School and the Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, have developed a predictive model that uses electrochemical data from the initial cycles of LMBs to forecast potential failures. Read on to learn more.

Finding the Length ‘Sweet Spot’ for Yarn-Shaped Supercapacitors

Researchers at North Carolina State University have now identified a “sweet spot” at which the length of a threadlike energy storage technology called a “yarn-shaped supercapacitor” yields the highest and most efficient flow of energy per unit length. Read on to learn more.

How a Startup Is Reducing Carbon from Building Operations with Drones

Buildings are big energy consumers, emitting wasteful carbon, contributing to a warming planet, and accounting for more than 40 percent of the world’s carbon dioxide emissions. Fortunately, a new startup is paving the way for dramatic reductions in carbon from building operations. Lamarr. AI has perfected the process of using drones, thermal imaging, and artificial intelligence (AI) to diagnose the health of building exteriors and roofs. Read on to learn more.

Medium-Voltage Circuit Breaker Unlocks Electricity Abundance, Savings

Researchers at Oak Ridge National Laboratory are breaking technical barriers with faster circuit breakers to enable and protect the modern electric grid. They developed...

Black Metal Could Give a Heavy Boost to Solar Power Generation

In the quest for energy independence, researchers have studied solar thermoelectric generators (STEGs) as a promising source of solar electricity generation. Unlike the...

How Much Do You Know About Wind Turbines?

Wind turbines are imperative in our search for renewable energy as we aim to reduce our reliance on fossil fuels. How much do you know about wind turbines? Find out with this quiz.

Flexible Silicon Photovoltaics: A Breakthrough in Space-Grade Solar Power

In-space manufacturing is expected to become a core part of future space economy by using assets in orbits or beyond Earth orbit for use in space. Tech Briefs interviewed space-focused solar energy startup Solestial’s CTO Stanislau Herasimenka about the key technology developments leading to this increased momentum for space-based manufacturing and the role solar power will play in it. Read on for the full interview with Herasimenka, edited for length and clarity.

A Technological Breakthrough for Ultra-Fast and Greener AI

AI systems like ChatGPT are notorious for being power-hungry. To tackle this challenge, a team from the Centre for Optics, Photonics and Lasers has come up with an optical chip that can transfer massive amounts of data at ultra-high speed. As thin as a strand of hair, this technology offers unrivaled energy efficiency. Read on to learn more.

How ISS Will Be Evaluating Photovoltaic Materials

Solar cells account for approximately six percent of the electricity used on Earth; however, in space, they play a significantly larger role, with nearly all satellites relying on advanced solar cells for their power. That’s why Georgia Tech researchers will soon be sending 18 photovoltaic cells to the International Space Station (ISS) for a study of how space conditions affect the devices’ operation over time. Read on to learn more.

New Physics-Based Simulation Tool Accelerates Battery Development

For years, researchers have been developing tools to accelerate the materials discovery and development of new energy storage technologies, including those that can predict the performance of the batteries systems for long-term grid services. With a new physics-based simulation tool, EZBattery Model, it now takes less than a second to predict the performance of redox flow batteries and its variants. Read on to learn more.

Magnetic Breakthrough Aims to Enhance AI

Scientists have engineered a vast spin waveguide network that processes information with far less energy. These spin waves quantum ripples in magnetic materials offer a promising alternative to power-hungry electronics.

Laying the Building Blocks for the EV Smart Grid

This article introduces the fundamental concepts behind EV load management, which allows fleet operators to fit more EV chargers on the utility service that they currently have. Read on to learn more.

Why Accurate SoC and SoH Estimation Is Critical for Battery Longevity and Business Success

The modern world runs on battery power. The world’s most critical industries are widely adopting battery-powered systems to achieve decarbonization goals, energy independence, and mobility. Still, like any technology, battery performance and business success depend on how well they’re managed. Read on to learn what this means.

Making Hydrogen Power a Practical Proposition

Occupying a unique space as both an energy vector and a fuel, hydrogen has gained interest for propulsion and power generation applications over the past several years. Hydrogen has been investigated thoroughly throughout the previous decades, but with advances in hydrogen generation and infrastructure, and the increasing need to low-carbon propulsion solutions across all sectors, hydrogen propulsion may be poised for significant market penetration. Read on to learn more.

Smoothing Over Rough Edges in Batteries

Battery performance suffers over time, like when a phone needs to be charged more frequently after years of use. A thin film that forms on the metal anode when the battery is charging and discharging plays a part in that issue. This film has benefits, but its roughness gradually wears the battery down. Researchers have discovered a temporary version of this film that appears at rapid discharge speeds and dissolves back into the battery when the process finishes. Read on to learn more.