![Debjani Singh](/sites/default/files/styles/featured_square_large/public/2024-08/2024-P12408.jpg?h=8f9cfe54&itok=bP5F6U4Y)
Filter News
Area of Research
- (-) Clean Energy (127)
- (-) Computational Engineering (1)
- (-) National Security (19)
- Advanced Manufacturing (6)
- Biology and Environment (50)
- Building Technologies (2)
- Climate and Environmental Systems (1)
- Computational Biology (1)
- Computer Science (8)
- Electricity and Smart Grid (1)
- Energy Sciences (1)
- Functional Materials for Energy (1)
- Fusion and Fission (8)
- Fusion Energy (2)
- Materials (59)
- Materials for Computing (8)
- Neutron Science (22)
- Nuclear Science and Technology (3)
- Quantum information Science (2)
- Supercomputing (71)
- Transportation Systems (2)
News Topics
- (-) Artificial Intelligence (20)
- (-) Exascale Computing (2)
- (-) Mercury (3)
- (-) Physics (2)
- (-) Sustainable Energy (69)
- (-) Transportation (67)
- 3-D Printing/Advanced Manufacturing (80)
- Advanced Reactors (7)
- Big Data (12)
- Bioenergy (28)
- Biology (14)
- Biomedical (8)
- Biotechnology (5)
- Buildings (36)
- Chemical Sciences (14)
- Clean Water (8)
- Climate Change (25)
- Composites (17)
- Computer Science (43)
- Coronavirus (14)
- Critical Materials (9)
- Cybersecurity (25)
- Decarbonization (34)
- Energy Storage (72)
- Environment (59)
- Fossil Energy (2)
- Frontier (2)
- Fusion (2)
- Grid (44)
- High-Performance Computing (11)
- Hydropower (2)
- Isotopes (1)
- Machine Learning (19)
- Materials (36)
- Materials Science (29)
- Mathematics (2)
- Microelectronics (1)
- Microscopy (8)
- Molten Salt (1)
- Nanotechnology (9)
- National Security (36)
- Net Zero (3)
- Neutron Science (15)
- Nuclear Energy (11)
- Partnerships (16)
- Polymers (11)
- Quantum Science (3)
- Renewable Energy (1)
- Security (15)
- Simulation (4)
- Space Exploration (3)
- Statistics (1)
- Summit (7)
- Transformational Challenge Reactor (3)
Media Contacts
![Caption: Jaswinder Sharma makes battery coin cells with a lightweight current collector made of thin layers of aligned carbon fibers in a polymer with carbon nanotubes. Credit: Genevieve Martin/ORNL, U.S. Dept. of Energy](/sites/default/files/styles/list_page_thumbnail/public/2024-01/sharma1_1.jpg?h=f7dae89e&itok=JiSsMewF)
Electric vehicles can drive longer distances if their lithium-ion batteries deliver more energy in a lighter package. A prime weight-loss candidate is the current collector, a component that often adds 10% to the weight of a battery cell without contributing energy.
![A collaboration between Oak Ridge National Laboratory and Caterpillar Inc. will investigate using methanol as an alternative fuel source for marine vessels. Members of the research team kicked off the project with the installation of a 6-cylinder engine at the Department of Energy’s National Transportation Research Center at ORNL.](/sites/default/files/styles/list_page_thumbnail/public/2023-12/2023-P19061%5B26%5D.jpg?h=c6980913&itok=F0MRmlmI)
ORNL and Caterpillar Inc. have entered into a cooperative research and development agreement, or CRADA, to investigate using methanol as an alternative fuel source for four-stroke internal combustion marine engines.
![Eric Nafziger, a technical staff member at the National Transportation Research Center at Oak Ridge National Laboratory’s Hardin Valley Campus, supports the installation of the largest alternative fuels research engines for marine and rail in the U.S. Credit: Genevieve Martin/ORNL, U.S. Dept. of Energy](/sites/default/files/styles/list_page_thumbnail/public/2023-12/2023-P16593.jpeg?h=a73d1746&itok=jpdVXbUY)
Within the Department of Energy’s National Transportation Research Center at ORNL’s Hardin Valley Campus, scientists investigate engines designed to help the U.S. pivot to a clean mobility future.
![Frontier, the fastest supercomputer in the world, provides expansive and energy-efficient power, which gives scientists the capability to train large AI models in a responsible way.](/sites/default/files/styles/list_page_thumbnail/public/2023-11/Frontier.jpg?h=c6980913&itok=Xugo8LTI)
ORNL is home to the world's fastest exascale supercomputer, Frontier, which was built in part to facilitate energy-efficient and scalable AI-based algorithms and simulations.
![ORNL researchers Lu Yu and Yaocai Bai examine vials that contain a chemical solution that causes the cobalt and lithium to separate from a spent battery, followed by a second stage when cobalt precipitates in the bottom. Credit: Carlos Jones/ORNL, U.S. Dept. of Energy](/sites/default/files/styles/list_page_thumbnail/public/2023-11/2023-P12386_0.jpg?h=8f9cfe54&itok=CVJOHRVM)
Used lithium-ion batteries from cell phones, laptops and a growing number of electric vehicles are piling up, but options for recycling them remain limited mostly to burning or chemically dissolving shredded batteries.
![Oak Ridge National Laboratory researchers took a connected and automated vehicle out of the virtual proving ground and onto a public road to determine energy savings when it is operated under predictive control strategies. Credit: ORNL, U.S. Dept. of Energy](/sites/default/files/styles/list_page_thumbnail/public/2023-11/CAV_image02_0.jpg?h=d1cb525d&itok=0cK78ri0)
ORNL researchers determined that a connected and automated vehicle, or CAV, traveling on a multilane highway with integrated traffic light timing control can maximize energy efficiency and achieve up to 27% savings.
![Sam Hollifield displays a prototype of the Secure Hijack, Intrusion and Exploit Layered Detector, or SHIELD, the device monitoring the cybersecurity of the semi-truck. Credit: Lena Shoemaker/ORNL, U.S. Dept. of Energy](/sites/default/files/styles/list_page_thumbnail/public/2023-10/holifield_0.jpg?h=b831e800&itok=CqXSXu3l)
As vehicles gain technological capabilities, car manufacturers are using an increasing number of computers and sensors to improve situational awareness and enhance the driving experience.
![Steven Campbell’s technical expertise supports integration of power electronics innovations from ORNL labs to the electrical grid. Credit: Carlos Jones/ORNL, U.S. Dept. of Energy](/sites/default/files/styles/list_page_thumbnail/public/2023-10/2023-P00223_0.jpg?h=c6980913&itok=59Rnwcd-)
Steven Campbell can often be found deep among tall cases of power electronics, hunkered in his oversized blue lab coat, with 1500 volts of electricity flowing above his head. When interrupted in his laboratory at ORNL, Campbell will usually smile and duck his head.
![The Department of Energy’s Oak Ridge National Laboratory announced the establishment of its Center for AI Security Research, or CAISER, to address threats already present as governments and industries around the world adopt artificial intelligence and take advantage of the benefits it promises in data processing, operational efficiencies and decision-making. Credit: Rachel Green/ORNL, U.S. Dept. of Energy](/sites/default/files/styles/list_page_thumbnail/public/2023-09/CAISER%20image2.png?h=d1cb525d&itok=VcPbKvuS)
The Department of Energy’s Oak Ridge National Laboratory announced the establishment of the Center for AI Security Research, or CAISER, to address threats already present as governments and industries around the world adopt artificial intelligence and take advantage of the benefits it promises in data processing, operational efficiencies and decision-making.
![Director of ORNL’s AI Initiative Prasanna Balaprakash addresses attendees at the Generative AI for ORNL Science Workshop. Credit: ORNL, U.S. Dept. of Energy](/sites/default/files/styles/list_page_thumbnail/public/2023-09/prasannaSMC2023_0.jpg?h=89f9a9b4&itok=N5nInOPo)
The Department of Energy’s Oak Ridge National Laboratory hosted its Smoky Mountains Computational Science and Engineering Conference for the first time in person since the COVID pandemic broke in 2020. The conference, which celebrated its 20th consecutive year, took place at the Crowne Plaza Hotel in downtown Knoxville, Tenn., in late August.