Showing 81–84 of 100 results

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    DER Tutorial Course 2/3: Battery Warranty Tracking for Stationary Energy Storage

    In the energy storage industry, battery warranties are based on the combination of a utilization profile and the responsible management of batteries within specified tolerances. Nuvation Energy CEO Michael Worry will explore how energy storage system providers and users can track battery utilization to ensure adherence to warranty parameters, and to proactively identify and resolve performance deviations that can negatively impact warranty claim outcomes.

    This webinar will focus on the following key topics:

    • Creating the use-case specific battery warranty
    • Energy storage system design for battery life and cycle count targets
    • Battery warranty tracking technologies
    • Data capture vs. compliance reporting

    Presenter
    Michael Worry – CEO at Nuvation Energy

    Michael Worry founded Nuvation in 1997 and has grown the company into a thriving electronic products and engineering services firm with offices in Sunnyvale, California and Waterloo, Ontario Canada. He is the CEO and CTO of Nuvation Energy, a provider of battery management systems and engineering design solutions for large-scale energy storage. Michael is deeply involved in battery management and energy storage system design and can often be found working on energy storage system installations at client sites.

    Nuvation Energy is a proud sponsor of this event.

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    DER Tutorial Course 1/3: Energy Storage and DER Control Behind the Meter

    The implementation of distributed energy resources behind the meter has become increasingly commonplace for commercial, industrial, and even residential energy consumers. While energy security is often a key driver, it is demand charge management that provides the return on the infrastructure investment. DER aggregation and demand charge management technologies however, have not yet fully caught up with the relative maturity of the resources they control. Join John Chinnick, Principal Software Architect at Nuvation Energy for an examination of distributed energy resource management behind the meter, and how to integrate and manage DER assets for demand charge management.

    This webinar will focus on the following key topics:

    • Types and tiers of distributed energy resource management
    • Technical constraints and opportunities in asset management
    • Integrating energy resources for centralized control
    • A demand charge management implementation model

    Presenter
    John Chinnick – Principal Software Architect at Nuvation Energy

    John Chinnick is a Principal Software Architect at Nuvation Energy. His current role includes project management and engineering design for distributed energy resource (DER) control systems. He brings 28 years of product design experience to the energy storage industry, with a diverse skillset that includes embedded computing and industrial controls. His current projects include the deployment of automotive second life battery packs into containerized energy storage for grid firming, transmission and distribution upgrade deferral, and demand charge management.

    Nuvation Energy is a proud sponsor of this event.

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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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    Battery Safety Analytics

    Despite their unrivaled performance and longevity, Lithium Ion batteries (LIBs) are also increasingly recognized as a safety hazard, especially in large scale energy storage installations. Although high-voltage battery packs and modules can be subject to numerous failure modes which are not present at the single cell scale, safety testing on full-scale battery packs can be prohibitively expensive and highly destructive to perform. In this talk, we demonstrate the importance of combining safety testing at the material, cell, and module scales to enhance the design of cells and packs which may mitigate the potential for catastrophe. Strategies to minimize full-scale testing requirements through a combination of carefully designed single cell tests and physics-based modeling are explored.

    This webinar will focus on the following key topics:

    • Bridging the gaps between safety concerns at single cell and module levels
    • Experimental characterization of li-ion cells under abusive conditions
    • Use of reference electrode instrumentation for degradation mode characterization
    • Selection of safe battery materials to enhance cell and module level safety
    • Role of modeling in ensuring safe battery design

    Presenter
    Conner Fear – Senior Ph.D. Candidate at Purdue University

    Conner Fear is a senior Ph.D. candidate in the School of Mechanical Engineering at Purdue University. He is the laboratory manager of the Energy and Transport Sciences Laboratory (ETSL, https://engineering.purdue.edu/ETSL/), where he works under the guidance of Dr. Partha Mukherjee. Conner’s research interests include thermal safety and degradation of lithium-ion batteries, especially under extreme conditions such as fast charging and overdischarge. Throughout his studies, Conner has worked in the U.S. Naval Research Laboratory Chemistry Division with the team of Dr. Corey Love. His work is funded by the Office of Naval Research (ONR) Naval Undersea Research Program (NURP).

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