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. 2023 Apr 29;6:84. doi: 10.1038/s42004-023-00875-9

Fig. 4. Raman spectra of the [BMIM][CO2CH3] electrolyte and working electrode after test.

Fig. 4

The electrolyte was composed by [BMIM][CO2CH3] in ACN (red line). The working electrode was after test (black line). Vertical lines mark intensity peaks related to acetate anion (dot orange line), BMIM cation (dashed green line) and finally ACN (solid purple line).