A team of scientists created a microscope that can examine a full working battery in action, revealing how recharging leads to microscopic debris and cracks. The study aims to design cheaper and more powerful rechargeable batteries using metals like magnesium or aluminum.
The PNNL Hydrogen Catalysis team received the American Chemical Society's Catalysis Lectureship for Advancing Catalytic Science. Their breakthrough research revolutionized understanding of proton movement, enabling faster and more energy-efficient catalysts.
Researchers analyzed changes in climate over several decades, finding that the Earth is now entering a period of faster-than-natural warming. The study suggests that decision-makers need to better prepare for the impacts of climate change by understanding how quickly temperatures will rise.
Researchers at PNNL found that natural gas solid oxide fuel cells can reduce greenhouse gas emissions by 56% compared to conventional coal plants, while also lowering electricity costs. The technology could play a significant role in meeting future energy demand and help offset costs by selling excess power back to the grid.
A study reveals new species of microbes in permafrost and active layer, hinting at life strategies under subzero temperatures. The researchers used 'omics' tools to understand how microbes survive and thrive in frozen conditions.
A new zinc-polyiodide redox flow battery boasts an energy density exceeding other flow batteries of its kind and size. This design enables efficient long-duration energy storage for urban grids, enhancing resiliency and flexibility.
A new electrolyte for lithium batteries eliminates dendrites while maintaining high efficiencies and current densities. The discovery enables the development of powerful next-generation rechargeable batteries with improved safety and cost-effectiveness.
Researchers have developed a new injectable acoustic fish tag that allows for safe and quick insertion into young fish, reducing the risk of altering their behavior. The new tag, which is about as big as two grains of rice, can release beeps every 0.4 seconds and lasts up to 120 days on a single battery.
A new human study confirms that oral BPA exposure does not lead to high levels in the blood, contradicting earlier assumptions made by a dog study. The study found that the body inactivates most BPA molecules and eliminates them within 24 hours, with no evidence of accumulation.
A team of researchers discovered that negatively charged molecules in biological scaffolds act like an 'ion sponge,' capturing calcium ions to guide crystallization. This new understanding may aid in developing advanced materials for energy and environmental applications.
Researchers from PNNL present studies on persistent cold air outbreaks, sequestered carbon leaks in drinking water, and the environmental impacts of carbon sequestration. The team aims to collaborate between environmental and health science communities to better understand how the environment affects human health.
Researchers discovered a rubber-like coating that improves durability of high-capacity silicon electrodes, leading to potential ten-fold increase in battery capacity. The coating softens the particles, allowing them to expand and contract with lithium without fracturing.
The latest version of the Sensor Fish measures more forces and costs about 80% less than its predecessor. It will help further reduce the environmental impact of hydropower by accurately measuring forces fish feel as they pass through turbines and structures in conventional dams and other hydro power facilities.
Researchers developed a method to process ultrasound data in small, handheld instruments that can provide fast and convenient medical information. This technology could enable people with muscular dystrophy to monitor the effectiveness of their medication on a smartphone.
A recent study found that expanding global natural gas production will not significantly reduce greenhouse gas emissions worldwide. Instead, it could displace lower-emitting energy sources and accelerate economic growth.
Researchers at PNNL developed an inexpensive, high-powered microscope that can be used to identify biological samples in the field. The device uses glass spheres as a lens and can achieve 1000x magnification, suitable for detecting tiny pathogens.
Two massive buoys equipped with meteorological and oceanographic equipment will be deployed off the US coastline to evaluate the power-producing potential of offshore winds. The buoys will provide accurate wind speed and direction data, enabling better understanding of air-sea interactions and turbine performance.
Researchers have discovered a new semiconducting material that allows solid oxide fuel cells to operate at two-thirds lower temperatures than current technology. This breakthrough enables more efficient fuel cells with wider applications, including quieter, pollution-free power generation in vehicles and neighborhoods.
Researchers used a powerful microscope to study the birth of crystals in real time, revealing that calcium carbonate forms into different minerals through various pathways. This discovery may help scientists understand how to lock carbon dioxide out of the atmosphere and better reconstruct ancient climates.
Researchers discovered that water formation in biofuel conversion slows key chemical reactions, forming an impurity that disrupts the process. The study provides scientific principles to speed up biofuel development, benefiting processes that produce biofuels from plants.
A new material enables sodium-beta batteries to operate at significantly lower temperatures, lasting longer and reducing the risk of accidental fire. The improved design also reduces costs by using less expensive materials.
A new porous material called CC3 effectively traps radioactive krypton and xenon gases from nuclear fuel, using less energy than conventional methods. The material's selectivity is higher than other experimental materials, making it a promising solution for removing unwanted elements.
Researchers developed a porous silicon material to replace traditional graphite in lithium-ion batteries, allowing for more energy storage capacity and longer runtime. The new material maintained over 80% of its initial capacity after 1,000 charge-and-discharge cycles.
The Center for Molecular Electrocatalysis will receive $3.5 million annually to explore chemical reactions at the core of solar energy and fuel cells. Researchers from multiple disciplines will work to design faster catalysts, split molecular oxygen, and improve hydrogen reactions.
A study by the Department of Energy's Pacific Northwest National Laboratory found that commercially available sonar systems produce signals within the hearing range of killer whales and other marine mammals. The sounds are quiet but audible to animals beyond a few hundred meters, potentially affecting their behavior.
A study found that certain plant acids invite bacterial infection by focusing the attackers on a specific target. This molecular signal can be used to protect plants and potentially lead to new biofuels and human health applications.
Researchers have successfully captured a view of a molecular catalyst that converts hydrogen into electricity, confirming previous hypotheses and providing insight into its structure. The study's findings offer potential improvements to hydrogen-powered fuel cells, which could be more expensive but also carbon-neutral.
Researchers analyzed 842 Ohio soil samples, finding all had high levels of arsenic above EPA's screening standard. Natural geological and soil processes are the main cause of these high levels.
Researchers developed a new material to capture problematic polysulfides in lithium-sulfur batteries, increasing their lifespan. The battery's power capacity was maintained at 89% after 100 charge-and-discharge cycles.
Researchers from PNNL explore ways to protect fish from barotrauma, a phenomenon caused by dramatic shifts in water pressure near dams. Modifying turbines to minimize pressure change is a promising solution, improving turbine designs and reducing injuries to fish.
A new analysis reveals that dust in the air absorbs sunlight west of India, warming the air and strengthening winds carrying moisture eastward. The study also shows that natural airborne particles can influence rainfall in unexpected ways, with changes in one location rapidly affecting weather thousands of miles away.
Adjustments to Priest Rapids Dam's water discharges boosted juvenile salmon numbers by 283%, from 14 million to over 52 million annually. Keeping eggs and young fish under water during vulnerable times improved survival rates.
Researchers develop microbattery that packs twice the energy of current microbatteries used in acoustic fish tags. The new battery is small enough to be injected into an organism and holds more energy than similar-sized batteries.
Researchers have successfully imaged a single layer of proteins using exceptionally bright and fast X-rays, significantly broadening the number and type of proteins that can be studied. This new method, based on XFEL technology, opens up possibilities for understanding protein structures and their role in disease and toxicity.
Researchers created a model that projects how much energy can be saved with changes to China's building energy codes, which could reduce fossil fuel use and carbon dioxide emissions. The study found that improvements to codes could reduce building energy consumption by up to 22 percent by the end of this century.
Bacteria use molecular groups called hemes to transfer electrons through tiny protein-based wires. The researchers found that evolution has set the protein up so that when electrons have a strong drive to hop, heme stepping stones are less tightly connected, and when the drive is low, they are more closely connected.
A new anode design for lithium-sulfur batteries quadruples their lifespan, bringing them closer to commercial use. The hybrid anode's development could enable longer electric car drives and cheaper storage of renewable wind energy.
Scientists have developed a way to microscopically view battery electrodes in wet electrolytes, allowing for the study of the solid electrolyte interphase layer and its influence on battery performance. The new method, called an electrochemical liquid cell, provides more realistic conditions for studying battery materials.
Engineers at PNNL have developed a continuous chemical process that transforms harvested algae into crude oil, water, and usable byproducts in under an hour. The process simplifies the transformation of algae to oil, eliminating the need for drying and reducing costs.
Researchers from PNNL present studies on carbon sequestration in shale reservoirs, water consumption for future energy production, and how climate change affects soil microbes. Early results show clay minerals can absorb emissions under certain conditions.
A study by PNNL researchers found that highly insulating windows reduce energy consumption by 12.2% in a home setting. However, the high upfront cost takes anywhere from 23 to 55 years to pay off, making comfort and other benefits more immediate.
Researchers found that pollution decreases the size of cloud and ice particles, making them linger in the sky. This leads to taller, bigger anvil-shaped clouds that cool the earth during the day but trap heat at night.
Researchers have charted a significant signaling network in Synechococcus, a fast-growing microbe that can produce biofuels. The findings reveal redox reactions that allow the organism to adapt to changing environments and provide insights into its ability to create biofuels.
Researchers have determined the atomic resolution structure of a bacterial nanowire protein, revealing its shape and form suggest ways for electrons to shuttle along the wire. The study's findings could lead to new applications such as bacterial fuel cells, carbon cycling, and biocomputers.
Young salmon scatter in all directions after entering the ocean, contrary to previous assumptions that most head north immediately. The study provides critical insights into salmon behavior and factors influencing survival, such as water temperature and predator presence.
An international team of researchers urges the development of science needed to manage climate risks and capitalize on unexpected opportunities. Climate preparedness research integrates social and climate science, engineering, and other disciplines.
Researchers at PNNL have developed a new test to assess the effectiveness of enzyme mixtures, which could reduce the time and cost of producing biofuels. The test uses activity-based protein profiling to track the activity of dozens of enzymes simultaneously.
Scientists at PNNL found that new rooftop units reduce energy costs by 41% compared to current units. If widely adopted, these devices could idle eight average-size coal-fired power plants in a year.
Two student-developed mobile apps, FoodFeed and FL•U, have been created to combat health threats. FoodFeed provides alerts on food recalls, illness outbreaks and health code violations, while FL•U allows users to share flu-like symptoms and view localized outbreak maps.
Researchers discovered a five-year delay between slow tree growth and increased mortality in a Black Spruce forest, suggesting that older forests may be storing more carbon than previously estimated. This finding has important implications for understanding the impact of climate change on forest health and carbon sequestration.