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Battery Breakfast Breakout Discussion Groups

Grab coffee and breakfast and join a discussion group. These are moderated discussions with brainstorming and interactive problem solving, allowing conference participants from diverse backgrounds to exchange ideas and experiences and develop future collaborations around a focused topic.

WEDNESDAY, NOVEMBER 2 | 8:00 AM

Battery Safety Testing and Simulation

Moderator:
Brian_BarnettBrian Barnett, Ph.D., Vice President, CAMX Power

  • What tests provide the best perspective about battery safety? Is this very different for EVs versus other systems?
  • What is the state of simulation and can modeling/simulation guide the engineering of adequate safety margins and predictions?
  • What will the industry accept in "incremental cost" for components that enhance safety?
  • Are some engineers more focused on passing the tests, and engineering accordingly, and is this any different than engineering real safety in the field?
  • Which tests can or cannot be gamed

Silicon Anodes

Moderator:
Dee_StrandDee Strand, Ph.D., CSO, Wildcat Discovery Technologies

  • Silicon alternatives to carbon anodes in lithium-ion batteries
  • Nanoscale Si exhibit high charge storage capacity with stable cycling
  • Binder and conductive additives underlie good Si anode performance
  • Stabilizing solid electrolyte interphase layer formation
  • Si anodes have exhibited capacities much greater than other materials

New Paradigm Materials Needed for Li-Ion Batteries Components

Moderator:
Orlando_AucielloOrlando Auciello, Ph.D., Endowed Chair Professor, Materials Science, Engineering and Bioengineering, University of Texas at Dallas

  • New corrosion-resistant bulk materials or coatings needed for anodes and cathodes
  • New corrosion-resistant bulk materials or coatings needed for membranes
  • New high-performance, safer solid-state electrolyte materials needed
  • Corrosion-resistant coatings for inner walls of battery cases

Transportation of Batteries

Moderator:
Corey_LoveCorey T. Love, Ph.D., Materials Research Engineer, U.S. Naval Research Laboratory

  • How are recent DOT transportation restrictions impacting the lithium-ion industry?
  • Is shipping at 30% SOC a reasonable solution?
  • What aspects of the shipping process should be addressed to improve safety: packaging, fire mitigation, non-propagating containers, etc.?
  • Where are the gaps in current testing methods (UN, UL, etc.) and what additional testing may be necessary to ensure safe transport of lithium-ion batteries?

Current Market Trends and Future Advancements for Energy Storage

Moderator:
Daniel_AbrahamDaniel Abraham, Ph.D., Engineer, Chemical Sciences and Engineering, Argonne National Laboratory

  • Advanced lithium-ion
  • Flow cells
  • Thin films
  • Air
  • Solid
  • New chemistries

ARPA-E Trends and Opportunities for Funding, Technical Assistance & Market Readiness

Moderator: Susan Babinec, Senior Commercialization Advisor, ARPA-E, U.S. Department of Energy

  • ARPA-E projects have the potential to radically improve U.S. economic prosperity, national security, and environmental well being
  • ARPA-E focus on transformational energy projects that can be meaningfully advanced with a small investment over a defined period of time
  • Our streamlined awards process enables us to act quickly and catalyze cutting-edge areas of energy research

FRIDAY, NOVEMBER 4 | 8:00 AM

Standards in Safety Evaluation of LIBs

Moderator:
Stephan_HildebrandStephan Hildebrand, MSc, Research Associate, MEET Battery Research Center, University of Münster

  • When can you call a battery a safe battery?
  • Which safety test can be really transferred to “real life accidents”?


BMS for Lithium-Ion Batteries

Moderator:
Thomas_HoegerThomas Hoeger, Senior Electrical Power Systems Engineer; Contractor, Advanced Power and Energy Branch, U.S. Naval Surface Warfare Center, Carderock

With the proliferation of lithium-ion batteries, the BMS design has become as critical to battery safety and performance as cell selection. Designers often have a very narrow view as to what comprises the BMS resulting in excess complexity, reduced performance and failure to meet requirements. This discussion identifies the components making up the BMS, from battery cell to system level, and demonstrates utilizing this knowledge to produce an effective BMS and battery that meets performance and safety requirements.

  • What is a BMS - functions, safety vs. performance, scope
  • Active vs. passive componentry
  • Scalability
  • Dumb vs. smart
    • Data storage
    • Communication interfaces
    • Accessibility
  • Design for test
  • Requirements and standards
    • What's out there
    • What's missing
    • Necessary vs. optional
  • Standardization and cost

Can Thermal Runaway in Lithium-Ion Cells and Batteries Be Predicted?

Moderator:
Judith_JeevarajanJudith Jeevarajan, Ph.D., Research Director, Electrochemical Safety, Underwriters Laboratories, Inc.

  • Can thermal runaway in li-ion chemistry be predicted?
  • Are methods in use today sensitive enough to be able to predict this occurrence?
  • Are methods in use today fast enough to react to the start of a thermal runaway?
  • Can thermal runaway be stopped if caught early enough?
  • What are the signature patterns that may indicate that a particular cell or cells in a battery may be prone to thermal runaway?

Battery Modeling and Simulation

Moderator:
Khosrow_NematollahiKhosrow (Nema) Nematollahi, Ph.D., Chairman and CTO, Renewable Energy, Advanced Renewable Power LLC

  • Cell modeling and simulation
  • Module modeling and simulation
  • Pack modeling and simulation
  • Mobile power grid modeling and simulation

Safety-Driven Battery Pack Design

Moderator: Martin Petit, Ph.D., Electrochemical Engineer, Electrochemistry and Materials Department, IFP Energies Nouvelles, IFPEN

  • Modeling for intrinsically safe battery pack design
  • Multiscale/multiphysics modeling from cell to pack
  • Parameters determination and settings
  • Modeling approaches from electrical equivalent circuits to electrochemical modeling
  • Aging modeling

Battery Management and Thermal Safety

Moderator:
Rengaswamy_SrinivasanRengaswamy (Srini) Srinivasan, Ph.D., Principal Professional Staff Scientist, Research and Exploratory Development, Applied Physics Laboratory, Johns Hopkins University

  • Cell matching protocol may be rigorous before and even after a battery is constructed. From a user or customer perspective, if cells go out-of-match during use, how are they monitored and reported?
  • Knowing that SOC impacts the outcome of thermal runaway, what additional efforts are in place to monitor and report SOC during charge and under load conditions?
  • Temperature is considered a critical and practical parameter to monitor and be used as a control for thermal safety, yet why do manufacturers cringe when asked to monitor the temperature of every cell in a battery?
  • Since temperature is a critical parameter in thermal management, what is the path to help battery manufacturers adapt emerging techniques that monitor cells’ internal temperature?

 

 

 

 

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