A bloated cell case and shifted mass
Image: Otto von Guerchke University Magdeburg, Journal of Power Sources, CC by 4.0
By ESS News
Researchers from the German Otto von Guerickke University Magdeburg have analyzed the thermal eliminated characteristics in sodium batteries (SIBs) and Lithium ion batteries (LIBs) and compared to layered oxide cathodes.
Thermal runner is a chain reaction that can occur in batteries when they overheat, which may result in fire and explosion. “During the thermal runner, the components of the cell cancel, which relieves flammable and toxic gases in addition to electrolyte fumes, particles and warmth,” the researchers said.
They compared the thermal eliminated behavior and gas delivery of SIBs and libs of layered oxide cathode. “This forced 18650-type cylindrical sibs from NFM cathode (layered oxide cathode) and 18650-type cylindrical libs from NMC cathode (layered oxide cathode) in thermal runaway,” they added.
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