Defining the State of Safety (SOS) for Lithium-Ion Batteries in EVs: A Discussion
- National Renewable Energy Lab., Golden, CO (United States)
The demand for lithium-ion batteries (LIBs) is skyrocketing, driven by the rapid growth of electric vehicles (EVs) and grid energy storage. However, current LIBs rely on flammable electrolytes, making them susceptible to thermal runaway and fires. Despite ongoing research and development efforts to enhance safety, fire incidents in EVs and energy storage systems persist. As LIB deployment increases, so too does the risk of fires. Therefore, it's crucial to define a "State of Safety" for LIBs - encompassing both operational safety and post-incident safety, such as after a car accident. This concept can help stakeholder and first responders to effectively manage LIB fire risks.
- Research Organization:
- National Renewable Energy Laboratory (NREL), Golden, CO (United States)
- Sponsoring Organization:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE), Transportation Office. Vehicle Technologies Office
- DOE Contract Number:
- AC36-08GO28308;
- OSTI ID:
- 3013213
- Report Number(s):
- NREL/PR-5700-93736
- Resource Type:
- Conference presentation
- Conference Information:
- Presented at the 42nd International Battery Seminar, 17-20 March 2025, Orlando, Florida
- Country of Publication:
- United States
- Language:
- English
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