A reasonable design of polypyrrole nanotubes interconnected Ni–Co layered double hydroxide-based composites via ZIF templates for high performance supercapacitors
2020
Hybrid materials PPy/Ni-Co LDH based on polypyrrole nanotubes and Ni-Co LDH from ZIF-67 templates have been employed as electrode materials for supercapacitors, where Ni-Co LDH possesses a hollow structure. With the help of appreciate composition and hollow structure, the optimum PPy/Ni-Co LDH shows an excellent performance with high specific capacitances (4.4 C•cm-2 at 1 mA•cm-2 and 3.35 C•cm-2 at 20 mA•cm-2).
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