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Figure 8. Stabilizing interphase for high-voltage realization through electrolyte engineering. (A) Challenges for durable high-voltage Li||NMC811 cells. (B) Electrochemical stability of DMTMSA solvent. (C) TM dissolution measured by ICP-MS after 100 cycles in different electrolytes. (D) In situ DEMS analysis in half cells to monitor the gas evolution during first charging in 1 M LiPF6/EC-EMC + 2% VC (left) and 1 m LiFSI/DMTMSA electrolytes (right). (E) cross-sectional SEM images for NMC811 cathodes cycled in 1 M LiPF₆/EC-EMC + 2% VC (left) and 1 m LiFSI/DMTMSA electrolytes (right). Reproduced with permission^[19]. Copyright 2021, Springer Nature. (F) HOMO and LUMO of DME, AN, and AN2-DME. (G) TM dissolution measured by ICP-MS after 200 cycles. (H) SEM, and FIB-SEM images of NCM811 particles cycled in AN2-DME-(top) and DME-(bottom) based electrolyte. Reproduced with permission^[98]. Copyright 2024, National Academy of Sciences.