Showing 41–44 of 64 results

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    Thermal Runaway Testing and Cause Analysis of an Automotive Li-Ion Cell

    Part 1 focuses on the safety tests with large lithium-ion cells. We explain our test method and equipment to trigger and characterize a thermal runaway (TR). Then we present a case study with a large pouch cell which is brought into TR by over-temperature. We discuss the temperature curves, the voltage/resistance curves, gas releases and gas compositions.

    Part 2 covers composition analysis of large lithium-ion cells to interpret what happened during high temperature test. We also conduct thermal stability analysis of charged electrode to know the temperature when exothermic decomposition and oxygen release from cathode start. From that information, we can obtain key parameters to control thermal runaway from material design point of view.

    This webinar will focus on the following key topics:

    • Methods for safety tests of large lithium-ion cells
    • Thermal runaway of a large pouch cell caused by over-temperature
    • Detailed analysis of the gas, which is released during thermal runaway
    • Composition analysis of large scale lithium-ion cells
    • Thermal stability of charged electrode

    Presenters
    Yasuhito Aoki – Researcher at Toray Research Center
    Christiane Essl – Researcher at Virtual Vehicle Research GmbH
    Andrey Golubkov – Researcher at Virtual Vehicle Research GmbH

    Yasuhito Aoki is a researcher at Toray Research Center. He has been working on material analysis of Lithium ion battery using various instrumental analysis (mainly, Raman, FT-IR spectroscopy).

    Christiane Essl is a researcher at the Virtual Vehicle Research GmbH and an external PhD student at AUDI AG. She works on Battery Safety with the focus on vent gas analysis and early battery failure detection.

    Andrey Golubkov is a researcher at Virtual Vehicle Research GmbH. He has been working on thermal runaway testing of automotive Li-ion cells for 10 years.

    Toray Research Center and Virtual Vehicle Research GmbH are proud sponsors of this event.

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    How to Safely Select DC Fuses for EES Systems

    Proper selection of direct current (DC) overcurrent fuses is not as simple as it may seem, and several factors need to be looked at for proper selection. Design engineers need to look at many different things such as what we’re protecting, system voltage changes, circuit fault currents, minimum breaking currents, mechanical requirements, temperature deratings, system operation regarding cycling, etc. All of these and other factors need to be taken into consideration to safely select the proper DC fuse for each unique application. This presentation will take you through the basics of DC and AC fuses, DC circuit protection methods, and review EES fuse selection along with a case study. With the rapid growth of Electrical Energy Storage systems being implemented and deployed, we see an opportunity to educate everyone on this topic.

    This webinar will focus on the following key topics:

    • Fuseology
    • Fuse Selection Practices
    • DC Circuit Protection
    • EES Fuse Selection Methodology
    • Case Study

    Presenter
    Cynthia Cline – Principal Solutions Engineer at Mersen

    Cynthia Cline, is Mersen’s Principal Solutions Engineer and has over 35 years of experience with customer applications and providing detailed circuit analysis to meet customer needs with AC and DC fuse protection. She is also active with codes and standards for UL and IEC protection products. She graduated with a degree in Electrical Power Systems from Michigan Technological University.

    Mersen is a proud sponsor of this event.

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    Best Practices for EV Cell Testing

    In this webinar, we will begin with an overview of the typical structure of automotive EV programs, along with how the APQP phase gate process aligns to the key milestones of Automotive Component Verification (DVP & PVP) validation plans. Key considerations for testing progress tracking, reporting and the range of different tools and strategies will be discussed. This includes the importance of rigorous test procedure definition and equipment set-up verification to ensure highest quality data and reporting. A review the relevant standards will be presented along with examples of OEM specific testing areas. We conclude with a summary of the best practices our team has developed thru our EV testing programs conducted at Energy Assurance LLC’s Hopkinton test facility.

    This webinar will focus on the following key topics:

    • Typical EV program structure overview and APQP process
    • Effective reporting and communication strategies
    • Procedure definition and development
    • Ensuring proper test set-up preparation and execution
    • EV relevant testing standards and customer specific testing

    Presenter
    Mike Strzepa – General Manager at Energy Assurance

    Mike Strzepa is Energy Assurance’s General Manager at their EV/Med-Large format test center in Hopkinton MA. He graduated with an MSME from UMASS and has over 35 years of experience in high tech. Prior to joining Energy Assurance, Mike had served the past 11 years in the battery industry at A123 Systems as Chief engineer and in program/test management roles with major OEM customers.

    Energy Assurance is a proud sponsor of this event.

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    Augment Your Battery Research With Non-Ambient In Operando XRD

    Recently, in operando research on batteries with XRD system in room temperature has provided great understanding on the dynamic migration of the electrode materials during the charge cycle. However, a battery may work perfectly at ambient temperature, but actual environment may cause unexpected performance degradation and safety risks. To investigate battery stability under non-ambient conditions, we are introducing 2 variable temperature electrochemical cell (VTEC) battery stages with heating and cooling feature between -10°C and 70°C on the Empyrean XRD platform. In combination with comprehensive instruments control software and powerful data visualization and analysis tools made for large XRD datasets in HighScore Plus, we provide the most advanced in operando in situ solutions to accelerate your battery research.

    This webinar will focus on the following key topics:

    • Advanced non-ambient in operando studies on batteries with Empyrean XRD system
    • Synergy amongst potentiostat, Empyrean and temperature controller
    • Fully automated data analysis with HighScore Plus
    o electrode phase identification and quantification
    o crystal structure and defects analysis
    o cluster analysis
    o intuitive and powerful visualization tools made for in-operando experiments

    Presenter
    Zhaohui Bao – Product Manager at Malvern Panalytical

    Zhaohui obtained his Ph.D. in Materials Science and Civil Engineering from the University of Grenoble in France. He joined the XRD application team in Malvern Panalytical since 2012. He is currently working as the Empyrean product manager. His responsibility covers product marketing, sales enablement, product development, and other life cycle management on the Empyrean XRD system.

    Malvern Panalytical is a proud sponsor of this event.

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