Figure 3 | Scientific Reports

Figure 3

From: Facile control of nanoporosity in Cellulose Acetate using Nickel(II) nitrate additive and water pressure treatment for highly efficient battery gel separators

Figure 3

(a) Schematic diagram of the proposed nanoporous (CA) polymer. Top view (SEM) images of CA surface morphology observed in 1:0.23 CA/ Ni(NO3)2·6H2O in acetone/water (w/w 8:2) at water pressures of 5 bar (b). The red dashed squares in (b) indicate the magnified areas shown in panes, respectively (c). Cross-sectional views of the samples subjected to water pressures of 5 bar (d).

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