Fig. 1: A schematic diagram of a thermal runaway prevention mechanism in practical batteries employing a PTh-based safety reinforced layer (SRL). | Nature Communications

Fig. 1: A schematic diagram of a thermal runaway prevention mechanism in practical batteries employing a PTh-based safety reinforced layer (SRL).

From: Thermal runaway prevention through scalable fabrication of safety reinforced layer in practical Li-ion batteries

Fig. 1

The SRL, positioned between the cathode and aluminum current collector, maintains high conductivity during normal battery operation. In response to an internal short circuit, the PTh in the SRL undergoes de-doping, halting further current flow and averting overheating within the cell.

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