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Displaying 101 - 125 of 545

Summary Report on NIST Smart Grid Testbeds and Collaborations Workshops

March 3, 2021
Author(s)
Avi Gopstein, Allen R. Goldstein, Dhananjay Anand, Paul A. Boynton
This report captures feedback from two workshops that NIST conducted to determine the challenges and opportunities in the use and design of Smart Grid Testbeds and Collaborations, which were held April 11, 2019, at the University of Tennessee, Knoxville

Tailoring electrode-electrolyte-interfaces in lithium-ion batteries using molecularly engineered functional polymers

February 22, 2021
Author(s)
Laisuo Su, Jamie Weaver, Mitchell C. Groenenboom, Nathan Nakamura, Eric Rus, Priyanka Anand, Shikhar Krishn Jha, Joseph Okasinski, Joseph Dura, B Reeja-Jayan
Electrode−electrolyte interfaces (EEIs) affect the rate capability, cycling stability, and thermal safety of lithium-ion batteries (LIBs). Designing stable EEIs with fast Li+ transport is crucial for developing advanced LIBs. Here, we study Li+ kinetics at

National Institute of Standards and Technology Environmental Scan 2020

February 9, 2021
Author(s)
Heather Evans, Kristen K. Greene, William M. Healy, Elizabeth Hoffman, Kate Rimmer, Anna V. Sberegaeva, Neil M. Zimmerman
The 2020 National Institute of Standards and Technology Environmental Scan provides an analysis of key external factors that could impact NIST and the fulfillment of its mission in coming years. The analyses were conducted through four separate lenses

Solar Cell Performance Measurements Under Artificial Lighting Sources

January 5, 2021
Author(s)
Behrang Hamadani
In recent years, there has been a growing interest in measurements of photovoltaic solar cells under ambient artificial lighting such as light emitting diode (LED) or fluorescent light sources. Certain classes of solar cells are considered very good

Characterization of Long-Term Sub-Hourly Thermal Comfort Performance Data

November 1, 2020
Author(s)
Hyojin Kim, Lisa Ng, Brian P. Dougherty, William V. Payne
Current thermal comfort standards do not provide guidelines on how to graphically characterize and benchmark long-term, sub-hourly, thermal comfort. In an effort to address this void, several statistical characterizations and advanced visualization methods

Crystal Chemistry, X-ray Diffraction Reference Patterns, and Band Gap Studies for (BaxSr1-x)2CoWO6 (x=0.1, 0.2, 0.3, 0.5, 0.7, 0.9)

September 11, 2020
Author(s)
Winnie K. Wong-Ng, Guangyao Liu, Yuqi Yang, Rola M. Derbeshi, Donald A. Windover, James A. Kaduk
X-ray reference powder patterns and structures have been determined for a series of cobalt- and tungsten-containing cubic alkaline-earth perovskites, (BaxSr1-x)2CoWO6 (x=0.1, 0.2, 0.3, 0.5, 0.7, 0.9). The structure of the end members of the series

Reversible Room-Temperature Fluoride-Ion Insertion in a Tunnel-Structured Transition Metal Oxide Host

July 6, 2020
Author(s)
Cherno Jaye, Wasif Zaheer, Justin L. Andrews, Forrest P. Hyler, Conan Weiland, David A. Shapiro, Jinghua Guo, Jesus M. Velazquez, Sarbajit Banerjee, Abhishek Parija, Daniel A. Fischer
An energy storage paradigm orthogonal to conventional Li-ion battery chemistries can be conceptualized by employing anions as the primary charge carriers. F-ion conversion chemistries show promise but have limited cyclability as a result of the significant

Crystal Chemistry and Phase Equilibria of the CaO- 1/2Ho2O3-CoOz System at 885 degC in Air

July 2, 2020
Author(s)
Winnie K. Wong-Ng, William J. Laws, Qingzhen Huang, Jie Hou, James A. Kaduk, Saul H. Lapidus, Lynn Ribaud
The phase diagram of the CaO-½Ho2O3-CoOz system was determined at 885 ºC in air. This diagram offers detailed compatibility relationships in the ternary oxide system that are essential for processing and for the understanding of thermoelectric properties

Efficient hybrid mixed-ion perovskite photovoltaics: in situ diagnostics of the roles of cesium and potassium alkali cation addition

June 19, 2020
Author(s)
Ming Chun Tang, Yuanyuan Fan, Dounya Barrit, Ruipeng Li, Hoang X. Dang, Siyuan Zhang, Timothy J. Magnanelli, Nhan V. Nguyen, Edwin J. Heilweil, Christina A. Hacker, Detlet-M Smilgies, Kui Zhao, Aram Amassian, Thomas D. Anthopoulos
Perovskite photovoltaics have made extraordinary progress in efficiency and stability in the past few years owing to process and formulation developments like antisolvent drip and mixed-cation mixed-halide compositions. Perovskite solar cells performance

Energy Sector Asset Management: For Electric Utilities, Oil & Gas Industry

May 19, 2020
Author(s)
James J. McCarthy, Lauren Acierto, Jason Kuruvilla, Titilayo Ogunyale, Nikolas Urlaub, John Wiltberger, Devin Wynne
Industrial control systems (ICS) compose a core part of our nation’s critical infrastructure. Energy sector companies rely on ICS to generate, transmit, and distribute power and to drill, produce, refine, and transport oil and natural gas. Given the wide

Efficient electrically-powered CO2-to-ethanol via suppression of deoxygenation

May 11, 2020
Author(s)
Xue Wang, Wang Ziyun, F. P. Garcia de Arquer, Cao-Thang Dinh, Adnan Ozden, Yuguang C. Li, Dae-Hyun Nam, Jun Li, Yi-Sheng Liu, Joshua Wicks, Zitao Chen, Miaofang Chi, Bin Chen, Ying Wang, Jason Tam, Jane Y. Howe, Andrew Proppe, Peter Todrovic, Fengwang Li, Tao-Tao Zhuang, Christine M. Garbardo, Ahmad R. Kirmani, Christopher McCallum, Yanwei Lum, Mingchuan Luo, Yimeng Min, Aoni Xu, Colin P. O'Brien, Bello Stephen, Bin Sun, Alexander H. Ip, Lee J. Richter, Shana O. Kelley, David Sinton, Edward H. Sargent
The carbon dioxide electroreduction reaction (CO2RR) provides avenues to the production renewable ethanol, a high-energy-density fuel. Unfortunately, until now, the ethanol Faradaic efficiency (FE) has lain below 27% in CO2RR studies reported at total

High-Throughput Exploration of Lithium-Alloy Protection Layers for High-Performance Lithium-Metal Batteries

February 13, 2020
Author(s)
Jamie L. Weaver, Kedar Manandhar, Yaoyu Ren, Drew Stasak, Huilong Hou, Dylan Kirsch, Suchismita Sarker, Apurva Mehta, Saydul Sardar, Muye Xiao, Carlos Le?n, Gus Hart, Takeshi Sunaoshi, John Lemmon, Ichiro Takeuchi
To realize high specific capacity Li-metal batteries, a protection layer for the Li-metal anode is needed. We are carrying out combinatorial screening of Li-alloy thin films as the protection layer which can undergo significant lithiation with minimum

Utica Shale Reactivity: CO2 Induced Pore Scale Changes in the Fracture Network and Matrix

January 3, 2020
Author(s)
Angela Goodman, Sean Sanguinito, Sittichai Natesakhawat, Patricia Cvetic, Barbara Kutchko, Andrew J. Allen
The Utica Shale is expected to be a substantial fossil fuel resource in the future. Currently, 663.5 billion cubic feet of natural gas and oil are being produced from the Utica in Eastern Ohio. In this work, we examined the Utica Shale and its reactivity
Displaying 101 - 125 of 545