Summary
Nitrogen‐doped porous carbon (NPC@ZIF‐11) and boron‐NPC (BNPC@ZIF‐11) materials were synthesized by pyrolysis methods, and structural characterization of the compounds was carried out by scanning electron microscopy, transmission electron microscopy, Fourier‐transform infrared spectroscopy, X‐ray diffraction, Brunauer–Elmet–Teller technique, Raman spectroscopy, and inductively coupled plasma‐mass spectrometry techniques. The ZIF‐11 was converted to the NPC@ZIF11 by pyrolysis. BNPC@ZIF‐11 was fabricated from NPC@ZIF‐11 by pyrolysis in the presence of phenylboronic acid. The fabric supercapacitor, sandwich‐type supercapacitor, and Li‐ion battery performances of NPC@ZIF‐11 and BNPC@ZIF‐11 were investigated. The capacity of the Li‐ion cell was found as 720 mAh g−1 for the first cycle, and it was decreased to 250 mAh g−1 after 100 cycles. The capacitance values of the cylindrical devices were 92 F g−1 and 115.6 F g−1, for C1 and C4000 in KOH electrolytes. The BNPC@ZIF‐11 was used as an electrode material on cotton fabric, and the highest obtained capacitance was 72.8 mF for 0.1 mA, which is a promising result for wearable energy storage materials.