Welcome to the external website for Dr. Scott A. Roberts. Dr. Roberts is a Principal Research and Development Chemical Engineer in the Thermal/Fluid Component Sciences Department, Engineering Sciences Center at Sandia National Laboratories in Albuquerque, New Mexico. He has a B.S. in Chemical Engineering from the University of Kansas and a Ph.D. in Chemical Engineering from the University of Minnesota, under the supervision of Prof. Satish Kumar. He has worked at the Sandia National Laboratories since 2010 on a variety of projects, please see the research page for more information.
Scott Organizing Minisymposium on Image-Based Simulation at USNCCM
January 18, 2021
If you are involved in any aspect of image-based simulation of as-built materials/components, including image processing, discretization, and physicss simulation, consider submitting a talk abstract to my minisymposium at the 16th US National Congress on Computational Mechanics (USNCCM) this summer in Chicago, IL. Abstracts are due February 5.
Multi-fidelity Thermal Battery Model Published in J. Power Sources
January 13, 2021
Thermal batteries involve complex multi-physics interactions. We have developed a detailed computational model for a single thermal battery cell including thermal, species and current transport, and electrochemical reactions. We also compare the tradeoffs between model fidelity, accuracy of predicting key quantities of interest, and computational expense. This article can be read for free until March 4, 2021 and is available afterwards at J. Power Sources.
Making a Case for Battery Modeling
December 18, 2020
In collaboration with seven other authors from around the battery modeling community, I recently "Made a Case for Battery Modeling" in the latest version of the Electrochemical Society Interface Magazine. In this work, we presented a brief overview of the impact of computational simulation and modeling on battery technologies and presents opportunities, challenges, and next steps for improving the adoption of modeling in this field. You can find this article open source at Electrochemical Society Interface.
TABS Wins NNSA DPAE Award
November 4, 2020
The Thermally Activated Battery Simulator (TABS) development team was recently awarded the National Nuclear Security Administration's (NNSA) Defense Programs "Exceptional Achievement" award. Our team has developed TABS as a computational model and intuitive user interface for designing thermal batteries. We have deployed TABS to significantly reduce design cycles and qualify new batteries faster.
Job Openings in TPS Modeling - POSTINGS CLOSED
September 9, 2020
My department has new postings for post-doc and staff positions in thermal protection system modeling. The candidate could be performing research on Sandia’s extensive high-performance computing assets using leading-edge multi-physics simulation codes and interacting with manufacturing experts and experimentalists to develop next-generation TPS materials. The candidate will show skills and interest in research spanning multiple disciplines, including heat transport, multi-material mechanical deformation, composite materials, microscale/mesoscale modeling, ablation chemistry, and aerosciences. Post-doc applicants should have experience in related technologies/areas, while staff applicants must have demonstrated experience in thermal protection system and/or composites manufacturing and performance modeling. Please apply online if you are interested.
Scott Presents Invited Lecture at ARTISTIC Battery Manufacturing Days
July 31, 2020
Scott presented an invited lecture entitled "Electrode Mesoscale Morphology: How 3D Imaging Combined with Predictive Simulation Improves Performance Insight" at the ARTISTIC project First Battery Manufacturing Days in late June 2020. The recording of this presentation is now available online.
DEM Battery Manufacturing Paper Published in ACS Appl. Mater. Interfaces
July 16, 2020
Our latest paper, covering large scale discrete element simulations of the manufacturing process of lithium-ion battery electrodes, was published in ACS Applied Materials & Interfaces. Images from this paper was also selected as cover art for the issue. This was our first paper with post-doc Ishan Srivastava and represents over two years of work and millions of CPU-hours of simulations. We're very excited about what this work represents for fundamentally understanding how conductive binder domains (CBDs) form during electrode coating, drying, and calendering. Congratulations Ishan and the rest of the team! DOI: 10.1021/acsami.0c08251