Energy

New Cathode Material for Sodium-Ion Batteries

Researchers at the U.S. Department of Energy’s Argonne National Laboratory have invented and patented a new cathode material that replaces lithium ions with sodium and would be significantly cheaper.

Conductive Carbon Fiber Polymer Composite

Inventors from NASA Langley and NASA Ames have created a new type of carbon fiber polymer composite that has a high thermal conductivity.

New Fuel Cell Architecture Uses Nanowires for Durability

A promising, more durable fuel cell design could help transform heavy-duty trucking and other clean fuel cell applications.

An AI-Based Approach for Controlling Microgrids

UC Santa Cruz Assistant Professor of Electrical and Computer Engineering Yu Zhang and his lab are leveraging tools to improve the efficiency, reliability, and resilience of power systems, and have developed an artificial intelligence (AI)-based approach for the smart control of microgrids for power restoration when outages occur.

New Polymer Coating Could Boost EV Batteries

Researchers at Lawrence Berkeley National Laboratory (Berkeley Lab) have developed a conductive polymer coating — called HOS-PFM — that could enable longer lasting, more powerful lithium-ion (Li-ion) batteries for electric vehicles.

A Thermoelectric Cooler to Restore Sensation in Amputees

This advancement, one of the first of its kind, enables a useful new capability for a variety of applications, including improved prostheses, haptics for new modalities in augmented reality (AR), and thermally modulated therapeutics for applications such as pain management. The technology also has a variety of potential industrial and research applications.

Highest-Resolution Single-Photon Superconducting Camera

The NIST camera is made up of grids of ultrathin electrical wires, cooled to near absolute zero, in which current moves with no resistance until a wire is struck by a photon. In these superconducting-nanowire cameras, the energy imparted by even a single photon can be detected because it shuts down the superconductivity at a particular location (pixel) on the grid. Combining all the locations and intensities of all the photons makes up an image.

Next-Generation Flow Battery Design

A research team from the Department of Energy’s Pacific Northwest National Laboratory reports that the flow battery, a design optimized for electrical grid energy storage, maintained its capacity to store and release energy for more than a year of continuous charge and discharge.

3D Battery Imaging Reveals Real-Time Life of Lithium Metal Cells

A team from Chalmers University of Technology has succeeded in observing how the lithium metal in the cell behaves as it charges and discharges. The new method may contribute to batteries with higher capacity and increased safety in our future cars and devices.

Space Solar Power Demonstrator Wirelessly Transmits Power in Space

Wireless power transfer was recently demonstrated by MAPLE — Microwave Array for Power-transfer Low-orbit Experiment — one of three key technologies being tested by the Space Solar Power Demonstrator (SSPD-1), the first space-borne prototype from Caltech’s Space Solar Power Project (SSPP), which aims to harvest solar power in space and transmit it to the Earth’s surface.

A New Design for Lithium-Sulfur Batteries

Scientists at the U.S. Department of Energy’s (DOE) Argonne National Laboratory are researching solutions to these Li-ion battery issues by testing new materials in battery construction. One such material is sulfur.

Stretchable Micro-Supercapacitors to Self-Power Wearable Devices

A stretchable system that can harvest energy from human breathing and motion for use in wearable health-monitoring devices may be possible, according to an international team of researchers.

A Temperature-Modulating Robotic System

A research team has developed a robotic system that can be unobtrusively built into the frame of a standard honeybee hive. Composed of an array of thermal sensors and actuators, the system measures and modulates honeybee behavior through localized temperature variations.

New System Uses Only Solar Energy to Generate Hydrogen

The system harnesses the sun's heat to directly split water and generate hydrogen — a clean fuel that can power long-distance trucks, ships, and planes, while in the process emitting no greenhouse gas emissions.

Improving Battery Performance with More Efficient Electrodes

To improve battery performance and production, Penn State researchers and collaborators have developed a new fabrication approach that could make for more efficient batteries that maintain energy and power levels.

New Technique for Environmentally Friendly Battery Recycling

Researchers at Chalmers University of Technology, Sweden, have created a new and efficient way to recycle metals from spent electric vehicle (EV) batteries. The method allows recovery of 100 percent of the aluminum and 98 percent of the lithium in EV batteries.

Designing Solid-State Batteries with Mechanics in Mind

A team developed a framework for designing solid-state batteries (SSBs) with mechanics in mind. Their paper, published in Science, reviewed how these factors change SSBs during their cycling.

New Gel Polymer Electrolyte to Revolutionize the Safety of Li-ion Batteries

A collaborative research team has achieved a groundbreaking milestone in battery technology. Their remarkable achievement in developing a non-flammable gel polymer electrolyte is set to revolutionize the safety of Li-ion batteries by mitigating the risks of thermal runaway and fire incidents.

A Combustion-Powered Quadrupedal Robot

Cornell researchers have combined soft microactuators with high-energy-density chemical fuel to create an insect-scale quadrupedal robot that is powered by combustion and can outrace, outlift, outflex, and outleap its electric-driven competitors.

Megawatt Motor Could Lead to Electrifying Large Aircraft

A team of MIT engineers is creating a one-megawatt motor that could be a key stepping-stone toward electrifying larger aircraft. The team has designed and tested the major components of the motor.

Aerovy Mobility Develops Cloud Software to Support Electric Aircraft Infrastructure

Launched by Purdue University postgraduate students, Aerovy Mobility commercializes cloud-based software solutions to plan and operate infrastructure that charges electric aircraft with renewable energy.

New Blue Light Technique Could Enable Advances in Understanding Nanoscale Technologies

With a new microscopy technique that uses blue light to measure electrons in semiconductors and other nanoscale materials, a team of researchers is opening a new realm of possibilities in the study of these critical components, which can help power devices like mobile phones and laptops.

Carbon Fiber Sleeve Tempers Battery Thermal Runaway

Innovators at NASA Johnson Space Center have developed a carbon fiber reinforced polymer (CFRP) sleeve, that, when fitted over a cylindrical Li-ion battery cell, can prevent cell-to-cell propagation by containing a thermal runaway (TR) event to the originating cell.

Developing Fast-Charging Lithium-Metal Batteries

Engineers have made progress toward lithium-metal batteries that charge as fast as an hour. This fast charging is thanks to lithium metal crystals that can be seeded and grown — quickly and uniformly — on a surprising surface.

Dry Manufacturing Process for EV Batteries

Researchers continue to refine the process to improve electrochemical performance. The goal is to balance the benefits and drawbacks of the thicker electrode: It has the potential for higher energy loading and is easy to roll, but it may provide less power, since the ions have further to travel.

Ultrathin Solar Cells Aim to Improve Satellite Life

Most space satellites are powered by photovoltaic cells that convert sunlight to electricity. Exposure to certain orbit radiation can damage the devices. Scientists have proposed a radiation-tolerant photovoltaic cell design that features an ultrathin layer of light-absorbing material.

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.