As more devices require recharging their batteries, researchers are looking to ambient lighting as a potential source of generating small amounts of power for indoor devices. The researchers used one lighting source, a white LED akin to normal brightness for indoor lights, to test three different modules — a gallium indium phosphide semiconductor, a gallium arsenide semiconductor, and a silicon semiconductor. The light source peaked in intensity on the shorter wavelengths of light.
A novel method of characterizing the structural and chemical evolution of silicon and a thin layer that governs battery stability may enable better, cheaper batteries.
Of the various methods to store renewable energy, one stands out for holding onto energy for months at a time: storing energy in the chemical bonds of molecules such as hydrogen.
New technology developed at Aalto University may be the key to true wireless charging. The new transmitter creates power transfer channels in all directions, automatically tuning channels when receiving devices are in motion.
Researchers at Sandia National Laboratories have designed a new class of molten sodium batteries for grid-scale energy storage. The new battery design was shared in a paper published today in the scientific journal Cell Reports Physical Science.
Energy conversion and storage is a critical part of modern society as applications continue to develop at a rapid pace. At the 2021 AIP Publishing Horizons Virtual Conference, researchers will unveil and discuss the latest advances in energy science and how the field will change over the next decades. In addition to speaker sessions, a poster program will provide a wide view of the exciting research going on now by scientists around the world.
Researchers at Stony Brook University (SBU) and the U.S. Department of Energy’s (DOE) Brookhaven National Laboratory have identified the primary reaction mechanism that occurs in a rechargeable, water-based battery made from zinc and manganese oxide. The findings, published in Energy and Environmental Science, provide new insight for developing grid-scale energy storage.
Researchers have increased the lifetime of a promising electric vehicle battery to a record level.
PNNL intern Ki Ahn spent this past year as an undergraduate at PNNL gaining hands-on research experience in clean energy storage technologies for vehicles and aviation. Ahn is enrolling in Stanford University this fall to finish his bachelor’s degree. With plans to major in mechanical engineering or computer science, he wants to explore how future aircraft technologies can be designed to reduce harmful environmental effects.
UPTON, NY—A team of researchers led by chemists at the U.S. Department of Energy’s (DOE) Brookhaven National Laboratory has studied an elusive property in cathode materials, called a valence gradient, to understand its effect on battery performance. The findings, published in Nature Communications, demonstrated that the valence gradient can serve as a new approach for stabilizing the structure of high-nickel-content cathodes against degradation and safety issues.
ORNL story tips: Un-Earthly ice, buildings in the loop, batteries unbound and 3D printing for geothermal
A compound used widely in candles offers promise for a much more modern energy challenge—storing massive amounts of energy to be fed into the electric grid as the need arises.
All-solid-state lithium batteries have the potential to provide increased energy and power density compared to conventional lithium-ion batteries with a liquid electrolyte. The charge transport within solid electrolyte-based composite cathodes determines the C-rate capability and ultimately the overall performance of…
Nina Balke is a senior research scientist at the Center for Nanophase Materials Sciences, studying Li-ion batteries to eliminate performance bottlenecks, understand performance fade, and design better batteries from the bottom up.
Cornell University researchers have been exploring the use of low-cost materials to create rechargeable batteries that will make energy storage more affordable. Now, they have shown that a new technique incorporating aluminum results in rechargeable batteries that offer up to 10,000 error-free cycles.
They discovered that the nature of the battery electrolyte, which carries charge between the electrodes, has a big impact on aging – a factor that needs to be taken into account when developing electrolytes that maximize a battery’s performance.
Research begun at the Department of Energy’s Joint Center for Energy Storage Research and continued at spinoff company Form Energy may launch a new era of renewable energy.
ORNL identifies a statistical relationship between the growth of cities and the spread of paved surfaces. // ORNL successfully demonstrates a technique to heal dendrites that formed in a solid electrolyte. // ORNL combines additive manufacturing with conventional compression molding.
Researchers combined machine learning with knowledge gained from experiments and equations guided by physics to discover and explain a process that shortens the lifetimes of fast-charging lithium-ion batteries.
COSMIC, a multipurpose X-ray instrument at Berkeley Lab’s Advanced Light Source, has made headway in the scientific community since its launch less than 2 years ago, with groundbreaking contributions in fields ranging from batteries to biominerals.
As he prepares to enter PNNL’s Energy Sciences Center later this year, Vijayakumar ‘Vijay’ Murugesan is among DOE researchers exploring solutions to design and build transformative materials for batteries of the future.
New 140,000-square-foot facility will advance fundamental chemistry and materials science for higher-performing, cost-effective catalysts and batteries, and other energy efficiency technologies.
A Florida State University research team has developed a way to use a material found in plants to help create safer batteries. Using the organic polymer lignin — a compound in the cell walls of plants that makes them rigid — the team was able to create battery electrolytes.
Researchers at the U.S. Department of Energy’s Argonne National Laboratory and the University of California San Diego have discovered that a material that looks geometrically similar to rock salt could be an interesting candidate for lithium battery anodes that would be used in fast charging applications.
Using high-speed X-ray tomography, researchers captured images of solid-state batteries in operation and gained new insights that may improve their efficiency.
UPTON, NY—A team of researchers led by chemists at the U.S. Department of Energy’s (DOE) Brookhaven National Laboratory has identified new details of the reaction mechanism that takes place in batteries with lithium metal anodes. The findings, published today in Nature Nanotechnology, are a major step towards developing smaller, lighter, and less expensive batteries for electric vehicles.
Sodium-ion batteries are a potential replacement for lithium batteries, but different anodes are needed for the same level of performance. Amorphous carbon is known to be a useful anode, because it has defects and voids that can be used to store sodium ions. Nitrogen/phosphorus-doped carbon also offers appealing electrical properties. In Applied Physics Reviews, researchers describe how they applied basic physical concepts of atomic scale to build high-performance anodes for sodium-ion batteries.
Taking a look back at the paths taken by the Joint Center for Energy Storage Research.
As the inevitable growth of transport electrification continues, the types of batteries that will be used in such vehicles, their charging parameters, infrastructure and timeframes are key considerations that will speed up the transition to electrification.
Sodium-ion batteries offer several advantages over lithium-ion batteries; however, it is difficult to develop sodium cathodes, materials through which electrons can enter a battery. Many candidate materials are unstable or cannot withstand high voltages. To find a solution, researchers turned to nature. They created a porous system of NVP structures, surrounded by a dense shell of reduced graphene oxide. They describe the mammal bone-inspired sodium cathode in the journal Applied Physics Reviews.
A team of researchers has developed a flexible, rechargeable silver oxide-zinc battery with a five to 10 times greater areal energy density than state of the art. The battery also is easier to manufacture; while most flexible batteries need to be manufactured in sterile conditions, under vacuum, this one can be screen printed in normal lab conditions. The device can be used in flexible, stretchable electronics for wearables as well as soft robotics.
Scientists have developed a new way to decipher the atomic-level structure of materials based on data gleaned from ground-up powder samples. They describe their approach and demonstrate its ability to solve the structure of a material that shows promise for shuttling ions through sodium-ion batteries.
Scientists improved the performance of a battery electrode material with a unique flower-shaped nanostructure.
Columbia Engineering researchers have found that alkali metal additives, such as potassium ions, can prevent lithium microstructure proliferation during battery use. They used a combination of microscopy, nuclear magnetic resonance, and computational modeling to discover that adding small amounts of potassium salt to a conventional lithium battery electrolyte produces unique chemistry at the lithium/electrolyte interface, and modulates degradation during battery operation, preventing the growth of microstructures and leading to safer, longer lasting batteries.
Momentum Technologies Inc., a Dallas, Texas-based materials science company that is focused on extracting critical metals from electronic waste, has licensed an Oak Ridge National Laboratory process for recovering cobalt and other metals from spent lithium-ion batteries.
Researchers are developing new ways to advance lithium-rich batteries and using new materials for practical use, according to researchers with the U.S. Department of Energy’s Argonne National Laboratory.
In a new study from the U.S. Department of Energy’s Argonne National Laboratory, researchers are accelerating the hunt for the best possible battery components by employing artificial intelligence.
Argonne materials scientist Arturo Gutierrez has been recognized by HENAAC, the national organization that honors Hispanic scientists and engineers.
Researchers at Berkeley Lab and UC Berkeley have demonstrated that a common material can be processed into a top-performing energy storage material. Their discovery could improve the efficiency, reliability, and robustness of personal electronics, wearable technologies, and car audio systems.
Real-time measurements captured by researchers at the Department of Energy’s Oak Ridge National Laboratory provide missing insight into chemical separations to recover cobalt, a critical raw material used to make batteries and magnets for modern technologies.
More studies at the interface of battery materials, along with increased knowledge of the processes at work, are unleashing a surge of knowledge needed to more quickly address the demand for longer-lasting portable electronics, electric vehicles and stationary energy storage for the electric grid.
Prof. Dr. Shoji Hall, Prof. Dr. Piran Ravichandran Kidambi, and Dr. Haegyeom Kim have been awarded the 2020-2021 ECS Toyota Young Investigator Fellowships. Through this, ECS and Toyota aim to promote innovative and unconventional technologies borne from electrochemical research. The fellowship encourages young professors and scholars to pursue innovative electrochemical research in green energy technology.
A three-year, $345,000 grant from the National Science Foundation will fund research at Binghamton University, State University of New York that seeks to modify paper’s mechanical properties while still retaining its advantages.
A team led by Oak Ridge National Laboratory synthesized a “nanobrush” structure with high surface area and discovered how its unique architecture drives ions across interfaces to transport energy or information.
Researchers sped-up the motion of lithium ions in solid-state batteries using the paddlewheel effect.
In the First-Person Science series, scientists describe how they made significant discoveries over years of research. Esther Takeuchi is a professor at Stony Brook University and the director of the Center for Mesoscale Transport Properties, a Department of Energy Office of Science Energy Frontier Research Center.
ORNL story Tips: Mining for COVID, rules to grow by and the 3D connection
New machine learning methods bring insights into how lithium ion batteries degrade, and show it’s more complicated than many thought.
Scientists at the U.S. Department of Energy’s Argonne National Laboratory have created and tested a single-crystal electrode that promises to yield pivotal discoveries for advanced batteries under development worldwide.
Scientists have come up with a novel way to use silicon as an energy storage ingredient. They’ve developed a nanostructure incorporating carbon nanotubes to strengthen the material and modify the way silicon interacts with lithium, a key component in batteries used in electric cars and other devices.