Key ResponsibilitiesConduct research to develop high-energy-density, long-life lithium–sulfur batteries using liquid and solid-state electrolytesSynthesize and optimize sulfur cathode materials and related host structuresPerform physical, chemical, and structural characterization of battery materialFabricate and evaluate lithium–sulfur cells in coin-cell and pouch-cell configurationsInvestigate the relationships between material properties, interfacial behavior, and electrochemical performanceWork with a variety of liquid and solid electrolytes, including sulfide-based solid-state electrolytesApply advanced characterization techniques, including synchrotron X-ray probes, to study battery materials and interfacesConduct electrochemical testing, including cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS), and galvanostatic cyclingAnalyze and interpret experimental data to provide insight into battery mechanisms and performance limitationsPrepare technical reports, manuscripts, and scientific presentations for internal and external audiencesPresent research results at group meetings, scientific conferences, and other professional forumsPosition RequirementsRecent or soon-to-be-completed PhD (within the last 0-5 years) in fields of Chemistry, Chemical Engineering, Mechanical Engineering, Materials Science, or a closely related fieldExperience leveraging artificial intelligence or machine learning in the development of battery electrolytes and catalyst materialsDemonstrated expertise in lithium–sulfur battery materials and electrolyte systemsStrong skills in the synthesis and structural optimization of host materials for lithium–sulfur batteriesExperience in the synthesis, processing, and characterization of solid-state electrolytes, particularly sulfide-based electrolytes, for energy storage applicationsKnowledge of interfacial engineering strategies, such as surface coatings, to suppress lithium dendrite formationHands-on experience in the fabrication and testing of all-solid-state cells, including coin-cell and/or model cell configurationsKnowledge of synchrotron-based X-ray characterization techniques, such as X-ray diffraction (XRD) and X-ray spectroscopy, particularly for in situ/operando studies of materials and interfacial chemistry during battery cyclingStrong understanding of electrochemistry, with the ability to perform and interpret CV, EIS, and galvanostatic testingExperience processing, analyzing, and interpreting experimental resultsDemonstrated ability to work effectively on multiple concurrent projectsStrong written and oral communication skills, with a record of peer-reviewed publications and recognition in a relevant research areaAbility to model Argonne's core values of impact, safety, respect, integrity, and teamworkJob Family: PostdoctoralJob Profile: Postdoctoral AppointeeWorker Type: Long-Term (Fixed Term)Time Type: Full timeThe expected hiring range for this position is $72,879.00-$121,465.00. The Chemical Sciences and Engineering Division seeks a Postdoctoral Appointee to conduct research focused on the development of high-energy, long-cycle-life lithium–sulfur batteries employing both liquid and solid-state electrolytes using artificial intelligence, under the guidance of a supervisor.