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Advanced Techniques in Lithium Ion Batteries and Next Generation Battery Material Characterization

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Webinar Series

Join this 3-part webinar series running from October - January titled, Advanced Techniques in Lithium Ion Batteries and Next Generation Battery Material Characterization.

About this Webinar Series

The drive is on to improve the performance of Lithium-ion batteries, particularly to increase energy density, life cycle, and safety. During the development and assessment of their performance, lithium-ion batteries can present unique challenges for imaging and analysis.

Ultrathin layers of cathode materials, separators, anode materials, metal current collectors, and electrolytes – all in the form of powders, sheets, and fluids – are each of different compositions and hardnesses. Since some of these materials containing Li are reactive in ambient environments, being able to prepare, image, and analyze samples without exposing them to the atmosphere becomes vitally important.

In this 3-part webinar series, we will demonstrate our air-isolated workflow for cross-sectional preparation, imaging, and chemical analysis of the cells before and after charging cycles, as well as the imaging and analysis of the raw materials. The resulting pristine cross sections and ultrahigh resolution images serve to better inform researchers about the quality of their battery materials and designs.

Webinar 1: Solutions for Imaging & Microanalysis of Lithium Ion Batteries using SEM, EPMA, SXES, and Auger

Date: Thursday 27 October - 14:00 EDT

In webinar 1/3 of the series, we will discuss the solutions for preparing, imaging, and analyzing lithium-ion batteries with various instruments and techniques. We will show examples of the methods used to prepare and transfer the samples to the instrument of choice, in an inert transfer vessel without exposure to the atmosphere. 

The first part of the webinar will focus on sample preparation with our air-isolated CROSS SECTION POLISHERTM, imaging with an SEM, and analysis with an Energy Dispersive X-ray Spectrometer (EDS).  This will include data from our new Gather-X Windowless EDS detector, which can detect ultra-low energy elements such as lithium (with Li K line of 54 eV). Analyzing lithium and other light elements requires low kV imaging and analysis and often high beam current. 

The second part of the webinar will focus on advanced battery analysis data from a field emission Electron Probe Microanalyzer (FEG EPMA) with Wavelength Dispersive Spectrometers (up to 5 WDS + EDS), JEOL’s unique Soft X-ray Emission Spectrometer (SXES), and an Auger microprobe. We will show application examples from all these techniques.

Key learning objectives:

  • Ultra-low energy imaging and microanalysis of batteries
  • Novel light element detection in an SEM or EPMA
  • Specialized techniques in sample preparation and inert transfer of battery-specific materials

About the webinar speakers: 

Vern Robertson is celebrating his 37th year with JEOL. He was appointed EPMA/Surface Analysis Product Manager in 2015 to add to his role as SEM Technical Sales Manager and provides in-house and in-the-field technical product and customer applications support. Vern served as the senior SEM Applications Specialist at JEOL USA beginning in 1986.
 
He was appointed National Laboratory Manager in 2004, and FEG SEM Product Manager in 2005. Vern received his B.Sc. in Geology from the University of New Hampshire. His prior industrial experience included eight years of consulting in an independent testing lab specializing in industrial and environmental problem solving, with responsibilities including polarized light optical microscopy, and atomic emission and absorption spectroscopy SEM with EDS/ WDS and X-ray diffraction. Vern is a former member of the MAS (Microanalysis Society) Council.

Dr. Jennifer Misuraca is a Senior SEM Applications Specialist with a focus on field emission microscopes. She is responsible for customer applications support and training, technical product support, and microscope demonstrations.  Dr. Misuraca obtained her PhD in Physics from Florida State University in 2012 and her B.S. in Physics is from the University of Massachusetts Amherst. For her thesis research, she fabricated, measured, and analyzed lateral spin transport devices at cryogenic temperatures. 

In her joint postdoctoral position at Brookhaven National Lab and the University of Illinois Urbana-Champaign, she searched for novel high-Tc superconductors by flux growth of highly correlated single crystalline materials and characterization of their thermal, electrical, and magnetic properties. She has worked at JEOL USA as an Applications Specialist since 2014 and was promoted to Senior SEM Applications Specialist in 2021. She is currently a board member of the New England Society for Microscopy.

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Webinar 2: STEM Imaging and Spectroscopy of Energy Materials

Date: Tuesday 06 December - 14:00 EST

Aberration correction in scanning/transmission electron microscopy (S/TEM) has enabled directly-interpretable imaging of light elements such as O and Li at the atomic scale. Observing such elements combined with their native and resulting states before and after cycling/degradation becomes critical to material performance. Correlating STEM imaging with X-ray and energy loss spectroscopies, and electronic structure characterization thus provides a unique position-sensitive view of the material down to the atomic scale.

This webinar will focus on recent developments in STEM-based characterization techniques of relevant battery and other energy materials. Particular attention will be paid to novel detectors and detection methods, real-time dose control, and chemical spectroscopy, all which enhance the efficiency and applicability of STEM characterization to energy materials.

Key learning objectives:

  • Useful imaging mechanisms to observe light elements in their native states in Li-based and other energy materials.
  • Novel detection schemes applied to beam-sensitive materials for maximum signal to noise.
  • Unique methods of dose control to alleviate beam damage.

About the webinar speaker: 

Dr. Phillips received his PhD in Materials Science and Engineering in 2012 from the Ohio State University. Following an appointment as a Research Assistant Professor at the University of Illinois – Chicago, he joined JEOL USA in 2016.

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Webinar 3: NMR Techniques to Determine Local Structure and Ion Dynamics in Lithium Ion Batteries

Date: New Date: Thursday 02 February - 14:00 EST

Lithium ion batteries (LIBs), a crucially important power source, are increasingly demanded for application to electrical devices and electric vehicles. NMR is one of the few analytical methods that can directly observe Li ions and is a powerful tool for characterizing local structure and ion dynamics of LIB materials.

In this webinar, we will introduce NMR applications for each component of LIB such as cathode, anode and electrolyte. Various NMR techniques will be introduced such as solid-state NMR, in-situ NMR, and diffusion NMR because suitable techniques are depending on the materials to be analyzed.

Key learning objectives:

  • How NMR can be used to directly observe Li ions
  • Solid State NMR Techniques in battery research

About the webinar speaker: 

Edwin Rivera’s Ph.D. was awarded from the University of South Carolina (UofSC), working with Professor Paul D. Ellis in 113Cd Shielding Tensor studies as a spin spy of metalloproteins. Post Doc with Professor Joseph Coleman at Yale Medical School studying solution structures of 113Cd substituted Zinc finger motifs in solution. Post Doc at Harvard Med and U of Chicago with Professor Michael Weiss in Structural Biology of the C-terminal domain Lambda Receptor. Prior to joining JEOL USA, he was NMR Specialist at Northwestern University. NMR Application Scientist at Purdue University, and Research Assistant Professor at the University of South Florida. He joined JEOL, USA, on April 2022 as NMR Senior Application Specialist.

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