Suppressing transition metal dissolution and deposition in lithium-ion batteries using oxide solid electrolyte coated polymer separator

Yan Zhao^{1, 2}, Pan Hongyi^{1, 2}, Wang Junyang^{1, 2}, Chen Rusong^{1, 2}, Luo Fei⁴, Yu Xiqian^{1, 2, 3, ‡}, Li Hong^{1, 2, 3, †}

SIMS profiles collected on the anode electrodes retrieved from (a) LCO-SOC400 cell and (b) LMO-SOC650 cell after 50 cycles. (c) Raman spectra of LCO electrodes retrieved from LCO-SOC400 with LATP@PE and Al₂O₃@PE separators. (d) Schematic illustration of the TM dissolution and decomposition process.