Effect of Flame Retardants and Electrolyte Variations on Li-Ion Batteries

Lithium-ion batteries are being increasingly used and deployed commercially. Cell-level improvements that address flammability characteristics thermal runaway currently intensively tested explored. In this study, three additives—namely, lithium oxalate, sodium fumarate malonate—which exhibit fire-retardant properties investigated with respect to their incorporation into graphite anodes electro/chemical interactions within the anode cell material studied. It has been shown flame-retardant concentrations of up approximately 20 wt.% coating do not cause significant capacity degradation but can provide a effect due inherent, release CO2 gas. The flame-retardant-containing layers good adhesion current collector. Their suitability in lithium-ion cells was pouch and, when compared pure anodes, showed almost no deterioration regarding moderate (?20 wt.%) concentrations.