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Thermal stability and overcharge of lithium-ion batteries
Time: 2024-05-16

Lithium-ion batteries are mainly composed of negative electrode materials, electrolytes, and positive electrode materials. The chemical activity of graphite, the negative electrode material, is close to that of metallic lithium when it is charged. At high temperatures, the SEI film on the surface decomposes, and the lithium ions embedded in the graphite and the electrolyte react with each other.

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