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If successful, ORNL process could play role in fighting climate change

Posted at 8:32 pm January 18, 2017
By John Huotari Leave a Comment

Rondinone_Song_hensley_r1

ORNL’s Yang Song (seated), Dale Hensley (standing left), and Adam Rondinone examine a carbon nanospike sample with a scanning electron microscope. (Photo by Oak Ridge National Laboratory)

 

In October, Oak Ridge National Laboratory announced that scientists had developed an electrochemical process that uses tiny spikes of carbon and copper to turn carbon dioxide, a greenhouse gas, into ethanol.

This month, Oak Ridge Today asked if the process using the very small catalysts could be used on a large scale to convert carbon dioxide in the atmosphere into ethanol, and if that might be used to combat climate change.

Here is the response from researcher Adam Rondinone, lead author of a team’s study published in ChemistrySelect:

“If we are successful, then yes, this process will take us a little bit closer to the goal of mitigating climate change.  But many other technologies and changes will also be needed, because of the scale of the problem. Also, this technology is more focused on what to do with CO2 (carbon dioxide) once it has been captured. While it could feasibly be coupled to a capture mechanism for extracting CO2 from the air, it will more likely be used to intercept and recycle emissions from point sources like power plants. Ultimately, it will just be one solution out of many that we will need to implement in order to prevent serious climate changes.” [Read more…]

Filed Under: Front Page News, Oak Ridge National Laboratory, ORNL, Slider, U.S. Department of Energy, Weather Tagged With: Adam Rondinone, Bobby Sumpter, carbon dioxide, carbon dioxide-to-ethanol conversion, carbon nanospikes, catalysis science, ChemistrySelect, Cheng Ma, climate change, CO2, copper nanoparticles, Dale Hensley, electrochemical process, ethanol, greenhouse gas, Harry Meyer III, High-Selectivity Electrochemical Conversion of CO2 to Ethanol using a Copper Nanoparticle/N-Doped Graphene Electrode, Liangbo Liang, Miaofang Chi, nanofabrication, Oak Ridge National Laboratory, Office of Science, ORNL, Peter Bonnesen, Rui Peng, U.S. Department of Energy, Yang Song, Zili Wu

Science: ORNL researchers tune friction in ionic solids at the nanoscale

Posted at 10:54 pm January 27, 2015
By Oak Ridge National Laboratory Leave a Comment

Friction Release

Researchers used electricity and water to control friction levels on ionic surfaces at the nanoscale. As water forms around the nanoscale electrode, it allows for further penetration into the sample surface, thereby increasing or decreasing friction. (Image courtesy ORNL)

Friction impacts motion, hence the need to control friction forces. Currently, this is accomplished by mechanistic means or lubrication, but experiments conducted by researchers at the U.S. Department of Energy’s Oak Ridge National Laboratory have uncovered a way of controlling friction on ionic surfaces at the nanoscale using electrical stimulation and ambient water vapor.

The research, which demonstrates a new physical effect, was undertaken at the Center for Nanophase Materials Sciences, a DOE Office of Science User Facility at ORNL, and is published in the journal Scientific Reports.

“Our finding can have a significant technological impact on applications for both macroscopic and nanoscale devices,” said lead author Evgheni Strelcov. “Decreasing or increasing nanoscale friction at will and thus controlling mechanical energy losses and wear of a microelectromechanical system’s parts has enormous implications for applied energy research and opens a new vista for fundamental science studies.” [Read more…]

Filed Under: Front Page News, Oak Ridge National Laboratory, Science, U.S. Department of Energy Tagged With: Alexander Tselev, Bobby Sumpter, Center for Nanophase Materials Science, Center for Nanophase Materials Sciences, Chemical Science Division, CNMS, Computer Science and Mathematics Division, electric field, electrical stimulation, Evgheni Strelcov, friction, friction forces, motion, nanoscale, Oak Ridge National Laboratory, ORNL, Rajeev Kumar, Scientific Reprots, Sergei Kalinin, U.S. Department of Energy, Vera Bocharova, water vapor

Nazarewicz, Sumpter, Wullschleger named UT-Battelle Corporate Fellows

Posted at 11:09 am July 31, 2013
By Oak Ridge National Laboratory Leave a Comment

UT-Battelle Corporate Fellows

From left are Witold Nazarewicz, Bobby Sumpter, and Stan Wullschleger. (Photo courtesy Oak Ridge National Laboratory)

Witold Nazarewicz, Bobby Sumpter, and Stan Wullschleger of the U.S. Department of Energy’s Oak Ridge National Laboratory have been selected as 2013 UT-Battelle Corporate Fellows.

The rank of corporate fellow—among the lab’s highest honors—recognizes the researchers’ significant accomplishments and continuing leadership in their scientific, engineering, and technological fields. The addition of Nazarewicz, Sumpter and Wullschleger brings the number of active corporate fellows at ORNL to 33 researchers. [Read more…]

Filed Under: Oak Ridge National Laboratory, Top Stories Tagged With: Bobby Sumpter, Center for Nanophase Materials Sciences, climate science, computational chemistry, Computer Science and Mathematics Division, environmental science, Holifield Radioactive Ion Beam Facility, materials science, Nanomaterials Theory Institute, Next Generation Ecosystem Experiments Arctic, NGEE, nuclear physics, Oak Ridge National Laboratory, ORNL, Physics Division, Stan Wullschleger, Thom Mason, U.S. Department of Energy, University of Tennessee, UT-Battelle Corporate Fellows, Warsaw University, Witold Nazarewicz

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Classifieds

Public Notice: NNSA announces no significant impact of Y-12 Development Organization operations at Horizon Center

AVAILABILITY OF THE FINAL ENVIRONMENTAL ASSESSMENT FOR THE OFFSITE HOUSING OF THE Y-12 DEVELOPMENT … [Read More...]

ADFAC seeks contractors for five homes

Aid to Distressed Families of Appalachian Counties (ADFAC) is a non-profit community based agency, … [Read More...]

Public notice: Draft environmental assessment for Y-12 Development Organization at Horizon Center

AVAILABILITY OF THE DRAFT ENVIRONMENTAL ASSESSMENT FOR THE OFFSITE HOUSING OF THE Y-12 DEVELOPMENT … [Read More...]

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