Figure 2: Characterization of the crosslinked PD-treated Cu. | Scientific Reports

Figure 2: Characterization of the crosslinked PD-treated Cu.

From: Mussel-inspired Polydopamine-treated Copper Foil as a Current Collector for High-performance Silicon Anodes

Figure 2

(a) Schematic for the covalent bonds between the PD-treated CU(X) -> Cu and the PAA binder in the Si composite electrode. (b) FTIR spectra of a PAA film coated onto bare Cu, a PAA film coated onto PD-treated Cu without thermal treatment, and a PPA film coated onto PD-treated Cu with thermal treatment (stored in a vacuum oven at 80 °C overnight).

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