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DTSTART;TZID=America/New_York:20211013T120000
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UID:3822-1634126400-1634130000@che.northeastern.edu
SUMMARY:ChE Seminar Series: Chemo-mechanics and solid-state batteries
DESCRIPTION:ChE Seminar Series Presents: \nDr. Kelsey Hatzell\, Ph.D \nAssistant Professor in the Andlinger Center for Energy and Environment \nAssistant Professor of Mechanical and Aerospace Engineering \nPrinceton University \nChemo-mechanic and solid-state batteries \nAbstract: Transportation accounts for 23% of energy-related carbon dioxide emissions and electrification is a pathway toward ameliorating these growing challenges.  All solid-state batteries could potentially address the safety and driving range requirements necessary for widespread adoption of electric vehicles. However\, the power densities of all-solid-state batteries are limited because of ineffective ion transport at solid|solid interfaces. New insight into the governing physics that occur at intrinsic and extrinsic interfaces are critical for developing engineering strategies for the next generation of energy-dense batteries. However\, buried solid|solid interfaces are notoriously difficult to observe with traditional bench-top and lab-scale experiments. In this talk\, I discuss opportunities for tracking phenomena and mechanisms in all solid-state batteries in-situ using advanced synchrotron techniques. Synchrotron techniques that combine reciprocal and real space techniques are capable of tracking multi-scale structural phenomena from the nano- to meso-scale. This talk will discuss the role microstructure plays on transport and interfacial properties that govern adhesion. Quantification of salient descriptors of structure in solid-state batteries is critical for understanding the mechanochemical nature of all solid-state batteries. \nBiography: Dr. Hatzell is an assistant professor at Princeton university in the Andlinger Center for Energy and Environment and department of Mechanical and aerospace engineering. Hatzell’s group primarily work on energy storage and is particularly interested at using non-equilibrium x-ray techniques to probe batteries during operando experimentation. \nDr. Hatzell earned her Ph.D. in Material Science and Engineering at Drexel University\, her M.S. in Mechanical Engineering from Pennsylvania State University\, and her B.S./B.A. in Engineering/Economics from Swarthmore College. Hatzell’s research group works on understanding phenomena at solid|liquid and solid|solid interfaces and works broadly i9n energy storage and conversion. Hatzell is the recipient of several awards including the ORAU Powe Junior Faculty Award (2017)\, NSF CAREER Award (2019)\, ECS Toyota Young Investigator Award (2019)\, finalist for the BASF/Volkswagen Science in Electrochemistry Award (2019)\, the Ralph “Buck” Robinson award from MRS (2019)\, Sloan Fellowship in Chemistry (2020)\, and POLiS Award of Excellence for Female Researchers (2021). \nPlease contact a.ramsey@northeastern.edu for the seminar link. \n  \n 
URL:https://che.northeastern.edu/event/che-seminar-series-chemo-mechanics-and-solid-state-batteries/
LOCATION:108 SN
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DTSTART;TZID=America/New_York:20210922T120000
DTEND;TZID=America/New_York:20210922T130000
DTSTAMP:20260505T223838
CREATED:20210921T173948Z
LAST-MODIFIED:20210921T173948Z
UID:3727-1632312000-1632315600@che.northeastern.edu
SUMMARY:ChE Seminar Series: Materials Innovation in Nanotechnologies
DESCRIPTION:ChE Seminar Series Presents: \nDr. Paulette Clancy\, Ph.D\nHead of the Department of Chemical and Biomolecular Engineering at Johns Hopkins University \nMaterials Innovation in Nanotechnologies \nAbstract\nThere are many problems at the forefront of materials chemistry whose solution is stymied by its inherent complexity. Such problems are characterized by a rich landscape of parameters and processing variables that is combinatorially too large for either an experimental or a computational approach to solve through an exhaustive search. In such cases\, the usual approach is an Edisonian trial-and-error approach\, which inevitably leaves areas of parameter space unexplored. The problems that we have explored are also characterized by a scarcity of data\, since the data are expensive to acquire\, both experimentally and computationally. This makes it an ideal candidate to solve using a Bayesian optimization (BayesOpt) approach.\nWe have used a Bayesian approach to study several problems in self-assembly processes involving materials chemistry. This talk will discuss two mature test cases in which we used BayesOpt extensively to study (1) how to optimize the choice of solvent and halides to produce high quality thin films of lead-based hybrid organic-inorganic perovskites and (2) identify stable and metastable polymorphs of an organic semiconducting material. I will end with some ideas of where the BayesOpt field can expand its use in the chemical sciences and share some “lessons learned” in implementing BayesOpt and machine learning\, which may be helpful to others who decide to start adding machine learning to their research repertoire. \nBiography\nPaulette Clancy is a Professor and the inaugural Head of the Department of Chemical and Biomolecular Engineering at Johns Hopkins University. She is also the Samuel and Diane Bodman Professor Emerita of Chemical Engineering at Cornell. She is the Associate Director of the Hopkins Center for Integrated Structure-Materials Modeling and Simulation. She was the inaugural Director of the Cornell Institute for Computational Science and Engineering for almost 10 years and is reprising a similar role at Hopkins\, chairing our petascale research computing resources\, ARCH.\nHer research group is recognized as one of the country’s leading computational groups in atomic- scale modeling of materials and algorithm development. Her current thrust is to develop machine learning algorithms to accelerate the search for optimal materials processing protocols. Her group has always been focused on electronic materials\, but it also includes more esoteric projects include xenobiology (Life on Titan) and a screening of therapeutic oligomers to maximize antibacterial ability. She has won numerous awards for mentoring\, service learning and civic engagement\, and promoting those from under- represented groups.
URL:https://che.northeastern.edu/event/che-seminar-series-materials-innovation-in-nanotechnologies/
LOCATION:108 SN
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DTSTART;TZID=America/Halifax:20190910T170000
DTEND;TZID=America/Halifax:20190910T180000
DTSTAMP:20260505T223838
CREATED:20190827T003206Z
LAST-MODIFIED:20190827T003206Z
UID:2860-1568134800-1568138400@che.northeastern.edu
SUMMARY:COE Global Co-op Info Session
DESCRIPTION:Join the COE Global Co-op team in learning about co-op opportunities abroad for Spring/Summer I 2020. Topics discussed will include- Search techniques and global positions in your field; What to consider when interested in Global Co-op; Information on logistics\, ie. housing\, transportation\, and safety; Tips\, tricks\, and resources to help get you there! You will also meet and hear from students returning from their Global Co-op. \nRSVP on the NUcareers Events Calendar. \nAttendance to one of the sessions is REQUIRED if you plan to do a Global Co-op in Spring 2020. Please reach out to Sally Conant\, Global Co-op Coordinator\, s.conant@northeastern.edu or Aryn Tomlinson\, Global Co-op Counselor\, a.tomlinson@northeastern.edu for additional information.
URL:https://che.northeastern.edu/event/coe-global-co-op-info-session/
LOCATION:108 SN
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