Stable Cycling for High-Voltage Li Metal
A trimethylsilyl trifluoromethanesulfonate additive that builds stable LiF- and Li₂SOₓ-rich interphases on both cathode and lithium metal anode, enabling stable cycling of Li||NCM622 batteries at 4.6 V.
Jiaxin, Jing · Bai, Yu · Li, Xin · Tao, Ren · 73821677 · Sun, Kening
Energy Storage Materials 2025
Stable cycling at high cut-off voltage of 4.6 V
Interphases enriched with LiF and Li₂SOₓ (x = 0, 3, 4)
Scavenges HF in electrolyte to inhibit corrosion