fig18

Figure 18. (A) SEM images of the (A-1) as-spun PDADMAFSI-PAN-PMMA-0.5 and (A-2) NFS-CNF-0.5-1000 nanofibers; (B) LSV curves of ORR at an RDE (1,600 rmp) in O₂-saturated 0.1 M KOH electrolyte; (C) LSV curves of OER without IR compensation; (D) LSV curves on a RDE (1,600 rpm) in 0.1 M KOH; (E) Potential gap (ΔE) between E_j=10 and E_1/2 for all the catalysts. Reproduced with permission. Copyright 2021, Elsevier^[247]; (F) Procedures of Ultrasound-Triggered Assembly of P-CTF Nanoflowers for Synthesizing NPF@CNFs; (G) Characterization of P-CTF nanoflowers: (G-1) SEM image of P-CTF nanoflowers, (G-2) SEM, (G-3) TEM; (H) LSV curves in O₂-saturated 0.1 M KOH; (I) Chronoamperometric responses in O₂-saturated 0.1 M KOH; (J) OER polarization curves in 1 M KOH at 5 mV·s^-1; (K) Chronoamperometric responses in 1 M KOH; (L) LSV curves between the ORR and OER; (M) Potential differences between the OER current density at 10 mA·cm^-2 and the E_1/2 of ORR. Reproduced with permission. Copyright 2021, ACS Publications^[248].