Energy Storage Systems Safety and Reliability Forum 2021

April 20-21, 2021

Sponsored by:
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The 2021 ESS Safety & Reliability Forum provided a platform for discussing the current state of ESS Safety & Reliability and stratagems for improving cell-to-system level safety and reliability. This forum presented an overview of work in, and creating the future of, energy storage safety and reliability. It offered a unique mix of learning from subject matter experts and stakeholders in energy storage.

Tuesday, April 20, 2021

Welcome and Outline of WorkshopJoshua LambSandia National Laboratories
IntroductionDr. Imre GyukU.S. DOE, Office of Electricity, Director of Energy Storage Research

Session 1 – New Advances in Battery Safety and Reliability R&D (Moderator: Joshua Lamb)

Modeling and Analysis of Battery SafetyJohn HewsonSandia National Laboratories
Overview of Aqueous Battery Safety and Reliability ConcernsReed WittmanSandia National Laboratories
Reliability Testing of Na Metal Halide, Fe-Ni, and Pb Acid Batteries/ModulesGuosheng LiPacific Northwest National Laboratory
Electrolyte Degradation Mechanisms in Pb Acid BatteriesVijay MurugesanPacific Northwest National Laboratory
Aging and Safety of Li-ion Cells and Modules of Two Different FormatsJudy JeevarajanUL

Session 2 – Battery Safety Testing (Moderator: Loraine Torres-Castro)

Mitigation of Failure Propagation: A Model-Based Experimental DesignLoraine Torres-CastroSandia National Laboratories
Mechanical Testing of Cells and BatteriesHsin WangOak Ridge National Laboratory
UL 9540A Installation Level Research Tests – Safety Considerations for Outdoor Containerized Li-Ion ESSAdam BarowyUL
EV/Hybrid Battery 2nd Life Test Protocol DevelopmentVilayanur ViswanathanPacific Northwest National Laboratory

Session 3 – Energy Storage Reliability R&D (Moderator: Charlie Vartanian)

Update on Energy Storage Reliability Codes and Standards ActivitiesCharlie VartanianPacific Northwest National Laboratory
Battery Degradation Testing UpdateDaiwon ChoiPacific Northwest National Laboratory
BESS PCS ReliabilityMichael StarkeOak Ridge National Laboratory
BESS Performance Reliability Data Project UpdateSteve WillardElectric Power Research Institute (EPRI)
Degradation of Commercial Li-ion Cells Beyond 80% CapacityYuliya PregerSandia National Laboratories

Wednesday, April 21, 2021

Session 4 – Codes, Standards, and Regulatory Environments (Moderator: Chris Searles)

ES Safety Collaborative Codes and Standards UpdateChris SearlesBAE Batteries; CGS Associates; IEEE ESSB Committee
NFPS 855, NFPA1, NFPA 70 and Its Effects on Stationary Batteries and Energy Storage SystemsWilliam CantorChair, ESSB Codes Working Group
UL 9540A – Evolving to Meet the Safety Challenges of BESSLaurie FlorenceUL
IEEE P1547.9 A new Standard to Help Streamline Energy Storage Interconnection to DistributionMichael RoppSandia National Laboratories
IEEE 1547 and 1547.9 from a User’s PerspectiveKevin WhitenerPortland General Elecric
Codes and Standards as Drivers for ESS Battery DesignJim McDowallSAFT

Session 5 – Recent Events and Investigations (Moderator: Joshua Lamb)

Fire and Explosion on the Ferry MF Ytterøyningen NorwayHans NilsenBergen Fire Department
Grid-scale Energy Storage Hazard Analysis & Design Objectives for System SafetyDavid RosewaterSandia National Laboratories
Safety Risks to Emergency Responders from Lithium-Ion Battery Fires in Electric VehiclesThomas BarthNational Transportation Safety Board (NTSB)
Development of DOE Energy Storage Safety Strategy DocumentJoshua LambSandia National Laboratories

Session 6 – Balance of Plant Safety Considerations (Moderator: Matt Paiss)

Using Intumescent Composite Materials to Provide Thermal Separation: Lithium Battery Fire Passive ContainmentTimothy RileyPyrophobic
ESS Explosion PreventionMatt PaissPacific Northwest National Laboratory
Deflagration and Venting Evaluations for EnclosuresPaul HayesAmerican Fire Technologies
Advancing Safety in Energy Storage Systems Through pre- and post-Incident Gas MonitoringNick FrankNexceris
Closing RemarksDr. Imre GyukDepartment of Energy