Thermal Runaway Comparison Between Pressurized Gas vs Standard Eletrolyte in 2.7Ah 18650 Cells
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thermal runaway↗
subject
Li-ion
Li-ion: explore 5 source-linked works published from 2024 to 2025, with original documents and citations.
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Ejecta Management in a Safe Lithium Ion Battery Design
As lithium-ion battery energy densities continue to rise, managing the heat and pressure generated during failure events has become increasingly critical. Safety systems must effectively relieve pressure without releasing sparks, flames, or particulate matter, requiring robust filtration solutions. The challenge is compounded by the reduced free volume available for gas expansion in high-density designs, which increases the demands on these filters. While significant progress has been made through experimental studies and modeling efforts to understand the behavior of ejecta during battery failures, there remains a pressing need for practical, rule-of-thumb sizing parameters. These parameters would help correlate high-energy waste streams with appropriate filter design, ensuring reliable containment and safety. This talk will explore recent experimental findings in this area and discuss the potential pathways for developing these essential sizing guidelines.
Ejecta Management↗
Battery Relevant Cell Side Wall Rupture Characterization
The propensity for a cell design to experience can side wall rupture (SWR) during thermal runaway is highly influenced by how a battery design mechanically constrains its cells. Testing cells while unsupported has been found to yield false negative results that don't represent this risk in a battery configuration. This talk addresses how to verify the adequacy of battery design measures used to control SWR and how to get results relevant, accurate, and statistically defendable for a proposed battery design.
thermal runaway↗
Isolating Internal Shorts with Metallized Polymer Current Collectors
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Internal Shorts↗
Shortcomings of Li-Ion Cell Visual Screening Methods
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li-ion↗