Self-sacrificial organic prelithiation additive for high-capacity lithium-ion batteries

Key Points

• The aim is to enhance the cycling performance and capacity of lithium-ion batteries using a novel prelithiation separator.
• Developed Li2C8H2N2O2 and coated it onto a PE separator.
• Applied the multilayered separator in lithium iron phosphate cells with graphite anodes.
• Analyzed the performance of the full cell configurations.
• Significantly improved battery capacity observed in LFP|MS-LD|Gr full cells.
• Enhanced cycling performance demonstrated compared to conventional separators.
• Higher initial efficiency and lower capacity fading noted over cycles.