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Machine Learning Dramatically Streamlines Search for More Efficient Chemical Reactions

A catalytic reaction may follow thousands of possible paths, and it can take years to identify which one it actually takes so scientists can tweak it and make it more efficient. Now researchers at the Department of Energy's SLAC National Accelerator Laboratory and Stanford University have taken a big step toward cutting through this thicket of possibilities.

Freezing Lithium Batteries May Make Them Safer and Bendable

Columbia Engineering Professor Yuan Yang has developed a new method that could lead to lithium batteries that are safer, have longer battery life, and are bendable, providing new possibilities such as flexible smartphones. His new technique uses ice-templating to control the structure of the solid electrolyte for lithium batteries that are used in portable electronics, electric vehicles, and grid-level energy storage. The study is published online April 24 in Nano Letters.

New Study Reveals the Mystery Behind the Formation of Hollowed Nanoparticles During Metal Oxidation

In a newly published <i>Science</i> paper, Argonne and Temple University researchers reveal new knowledge about the behavior of metal nanoparticles when they undergo oxidation, by integrating X-ray imaging and computer modeling and simulation. This knowledge adds to our understanding of fundamental processes like oxidation and corrosion.

Rare Supernova Discovery Ushers in New Era for Cosmology

With help from a supernova-hunting pipeline based at NERSC, astronomers captured multiple images of a gravitationally lensed Type 1a supernova. This is currently the only one, but if astronomers can find more they may be able to measure Universal expansion within four percent accuracy. Luckily, Berkeley Lab researchers do have a method for finding more.

Making Batteries From Waste Glass Bottles

Researchers at the University of California, Riverside's Bourns College of Engineering have used waste glass bottles and a low-cost chemical process to create nanosilicon anodes for high-performance lithium-ion batteries. The batteries will extend the range of electric vehicles and plug-in hybrid electric vehicles, and provide more power with fewer charges to personal electronics like cell phones and laptops.

Changing the Game

High performance computing researcher Shuaiwen Leon Song asked if hardware called 3D stacked memory could do something it was never designed to do--help render 3D graphics.

A Scientific Advance for Cool Clothing: Temperature-Wise, That Is

Stanford University researchers, with the aid of the Comet supercomputer at the San Diego Supercomputer at UC San Diego, have engineered a low-cost plastic material that could become the basis for clothing that cools the wearer, reducing the need for energy-consuming air conditioning.

Adjusting Solar Panel Angles a Few Times a Year Makes Them More Efficient

With Earth Day approaching, new research from Binghamton University-State of New York could help U.S. residents save more energy, regardless of location, if they adjust the angles of solar panels four to five times a year.

A Real CAM-Do Attitude

A multi-institutional team used resources at the Oak Ridge Leadership Computing Facility to catalog how desert plants photosynthetic processes vary. The study could help scientists engineer drought-resistant crops for food and fuel.

Predictive Power

The Consortium for Advanced Simulation of Light Water Reactors carried out the largest time-dependent simulation of a nuclear reactor ever to support Tennessee Valley Authority and Westinghouse Electric Company during the startup of Watts Bar Unit 2, the first new US nuclear reactor in 20 years. The simulation was carried out primarily on OLCF resources.


3 Small Energy Firms to Collaborate with PNNL

Pacific Northwest National Laboratory is collaborating with three small businesses to address technical challenges concerning hydrogen for fuel cell cars, bio-coal and nanomaterial manufacturing.

ORNL to Collaborate with Five Small Businesses to Advance Energy Tech

Five small companies have been selected to partner with the Department of Energy's Oak Ridge National Laboratory to move technologies in commercial refrigeration systems, water power generation, bioenergy and battery manufacturing closer to the marketplace.

U.S. Department of Energy's INCITE Program Seeks Advanced Computational Research Proposals for 2018

The Department of Energy's INCITE program will be accepting proposals for high-impact, computationally intensive research campaigns in a broad array of science, engineering, and computer science domains.

New Berkeley Lab Project Turns Waste Heat to Electricity

A new Berkeley Lab project seeks to efficiently capture waste heat and convert it to electricity, potentially saving California up to $385 million per year. With a $2-million grant from the California Energy Commission, Berkeley Lab scientists will work with Alphabet Energy to create a cost-effective thermoelectric waste heat recovery system.

New SLAC Theory Institute Aims to Speed Research on Exotic Materials at Light Sources

A new institute at the Department of Energy's SLAC National Accelerator Laboratory is using the power of theory to search for new types of materials that could revolutionize society - by making it possible, for instance, to transmit electricity over power lines with no loss.

Lenvio Inc. Exclusively Licenses ORNL Malware Behavior Detection Technology

Virginia-based Lenvio Inc. has exclusively licensed a cyber security technology from the Department of Energy's Oak Ridge National Laboratory that can quickly detect malicious behavior in software not previously identified as a threat.

Argonne Scientist and Nobel Laureate Alexei Abrikosov Dies at 88

Alexei Abrikosov, an acclaimed physicist at the U.S. Department of Energy's Argonne National Laboratory who received the 2003 Nobel Prize in Physics for his work on superconducting materials, died Wednesday, March 29. He was 88.

Jefferson Lab Accomplishes Critical Milestones Toward Completion of 12 GeV Upgrade

The Continuous Electron Beam Accelerator Facility (CEBAF) at the U.S. Department of Energy's Thomas Jefferson National Accelerator Facility has achieved two major commissioning milestones and is now entering the final stretch of work to conclude its first major upgrade. Recently, the CEBAF accelerator delivered electron beams into two of its experimental halls, Halls B and C, at energies not possible before the upgrade for commissioning of the experimental equipment currently in each hall. Data were recorded in each hall, which were then confirmed to be of sufficient quality to allow for particle identification, a primary indicator of good detector operation.

Valerie Taylor Named Argonne National Laboratory's Mathematics and Computer Science Division Director

Computer scientist Valerie Taylor has been appointed as the next director of the Mathematics and Computer Science division at Argonne, effective July 3, 2017.

Three SLAC Employees Awarded Lab's Highest Honor

At a March 7 ceremony, three employees of the Department of Energy's SLAC National Accelerator Laboratory were awarded the lab's highest honor ­- the SLAC Director's Award.


The Roadmap to Quark Soup

Scientists discover new signposts in the quest to determine how matter from the early universe turned into the world we know today.

Neutrons Play the Lead to Protons in Dance Around "Double-Magic" Nucleus

Electric and magnetic properties of a radioactive atom provide unique insight into the nature of proton and neutron motion.

Ultrafast Imaging Reveals the Electron's New Clothes

Scientists use high-speed electrons to visualize "dress-like" distortions in the atomic lattice. This work reveals the vital role of electron-lattice interactions in manganites. This material could be used in data-storage devices with increased data density and reduced power requirements.

One Small Change Makes Solar Cells More Efficient

For years, scientists have explored using tiny drops of designer materials, called quantum dots, to make better solar cells. Adding small amounts of manganese decreases the ability of quantum dots to absorb light but increases the current produced by an average of 300%.

Electronic "Cyclones" at the Nanoscale

Through highly controlled synthesis, scientists controlled competing atomic forces to let spiral electronic structures form. These polar vortices can serve as a precursor to new phenomena in materials. The materials could be vital for ultra-low energy electronic devices.

In a Flash! A New Way for Making Ceramics

A new process controllably but instantly consolidates ceramic parts, potentially important for manufacturing.

Deciphering Material Properties at the Single-Atom Level

Scientists determine the precise location and identity of all 23,000 atoms in a nanoparticle.

Smallest Transistor Ever

It has long been thought that building nanometer-sized transistors was impossible. Simply put, the physics and atomic structural imperfections couldn't be overcome. However, scientists built fully functional, nanometer-sized transistors.

Creation of Artificial Atoms

For the first time, scientists created a tunable artificial atom in graphene. The results from this research demonstrate a viable, controllable, and reversible technique to confine electrons in graphene.

Developing Tools to Understand Lithium-Ion Battery Instabilities

Scientists develop tools to understand Li-ion battery instabilities, enabling the study of electrodes and solid-electrolyte interphase formation.


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Internship Program Helps Foster Development of Future Nuclear Scientists

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UC San Diego Installing 2.8 Megawatt Fuel Cell to Anchor Energy Innovation Park

Article ID: 571577

Released: 2010-12-07 17:00:00

Source Newsroom: University of California San Diego

Rex Graham, 858-534-2248, or ragraham@ucsd.edu

Construction of a fuel cell with enough capacity to power 2,800 homes has begun on the UC San Diego campus as part of a renewable-energy project with the City of San Diego and BioFuels Energy to turn waste methane gas from the Point Loma Wastewater Treatment Plant directly into electricity without combustion.

When completed in late 2011, the 2.8-megawatt fuel cell will be the largest on any college campus, providing about 8 percent of UC San Diego’s total energy needs. The $19 million project requires no university funding: the project is eligible for $7.65 million in State of California Self Generation Program incentives, and BioFuels Energy will provide the remaining $11.35 million in private investment, loans, and investment tax credits.

“Our campus currently generates 85 percent of its own power. With this new fuel cell and the near-doubling of our photovoltaic solar capacity in 2011, our campus will be able to meet as much as 95 percent of our annual electricity needs,” said Gary C. Matthews, vice chancellor of Resource Management and Planning. “The fact that we’ve been able to significantly increase our renewable-energy capacity in very challenging economic times with an innovative public-private partnership is as much a financial feat as it is an engineering accomplishment.”

As part of a 10-year agreement, UC San Diego will buy the electricity produced by the fuel cell from BioFuels Energy at competitive rates. The university’s fuel cell also offers the potential benefits of cogeneration, or combined heat and power, in which waste heat can be tapped as a secondary power source, raising the overall net efficiency of the fuel cell to about 60 percent, compared to about 33 percent for coal- and oil-fired power plants.

About 85 percent of the university’s energy needs are provided by its low-emission 30-megawatt natural-gas-fired cogeneration plant, which operates at 66 percent overall net efficiency. It is also called a combined heat and power plant because it generates electricity to run lights and equipment and also captures the plant’s waste heat to produce steam for heating, ventilation and air conditioning for much of the 12.5 million gross square feet of campus buildings. Waste heat from the plant also is used as a power source for a water chiller that fills a 3.8-million-gallon storage tank at night with cold water, which allows the university to reduce its peak daytime energy requirements by about 14 percent.

The fuel cell and its ancillary equipment will occupy a space about the size of a tennis court. It will form the centerpiece of UC San Diego’s Energy Innovation Park on the east side of the main campus, which includes:

* High efficiency, 5.75-kilowatt sun-tracking concentrating photovoltaic array made by Concentrix Solar.

* A compressed natural gas (CNG) fueling station for 13 CNG service vehicles, including two delivery trucks and two street sweepers, three sedans, three pick-up trucks and three buses. Vehicle emissions are lower with natural gas fuel than with gasoline because CNG-fueled vehicles emit 10 percent less carbon dioxide compared to diesel and 30-40 percent less than equivalent gasoline-fueled vehicles.

* A chiller plant that efficiently produces the cold water required to cool the nearby Moores UCSD Cancer Center and Shiley Eye Center.

In the future the energy park will have an array of additional technologies:

* An electric-vehicle charging station.

* A second chiller plant with 300 kilowatts of cooling capacity that will be powered by the fuel cell’s waste heat to cool the Cancer Center, Shiley Eye Center and other UC San Diego medical treatment, research and office buildings nearby.

* An energy-storage system that will stockpile four hours’ output of electricity from the fuel cell every night during off-peak hours and release the electricity to the campus energy grid during peak-demand hours in the afternoon.

The planned energy-storage system is eligible for an additional $3.4 million in State of California Self Generation Program incentives and could reduce UC San Diego’s peak energy demand by 6 percent.

“The university’s increasingly sophisticated microgrid will integrate all the campus’ production, consumption and stored power and cooling water into one of the most sophisticated energy-management systems anywhere,” said John Dilliott, energy and utilities manager for the campus. “We will soon be able to factor in the variable cost of imported electricity and optimize the production and consumption of electricity in our entire system with a high degree of cost and energy efficiency.”

The city of San Diego will make money by selling the Point Loma Wastewater Treatment Plant’s biogas, which is purified on site and injected into an existing gas pipeline that will supply three fuel cells being constructed, one at UC San Diego and two at City of San Diego sites. “This project and the uniqueness of the concept is anticipated to pave the way for similar future applications,” said Frank Mazanec, managing director of BioFuels Energy.

The three fuel cells are made by Danbury, Conn.-based FuelCell Energy, Inc. and use an electrochemical process to combine the methane fuel with oxygen in ambient air to produce electricity directly. Carbon dioxide and water vapor are also produced, but no nitrate or particulate pollutants are produced because there is no combustion.

The so-called directed biogas project is the first time that a FuelCell Energy power plant will be fueled by renewable biogas generated at a distant location.

The fuel cell being built at UC San Diego is one of the largest fuel cells in the nation to use directed biogas from a wastewater treatment plant,” said Kenneth J. Frisbie, managing director of the Encinitas, Calif.-based BioFuels Energy No university has a fuel cell this big.