Nitrogen-Doped Hierarchical Nanoporous Carbon Materials from Discarded Polyurethane Sponges via One-Step Double-Activation Method for Double-Layer Capacitors
Mengyue Ma,
Jingbo Liu,
Yu Huan
et al.
Abstract:The self-induced N-doped micropore and mesopore hierarchical nanoporous carbon (NPC-CZ) was synthesized from a discarded shock-proof polyurethane sponge by using a onestep physical/chemical double-activation method with the introduction of ZnCl 2 and CO 2 . ZnCl 2 activation generated numerous micropores and mesopores, while subsequent CO 2 treatment further enhanced the microporosity and pore volume of NPC-CZ. Besides, the carbonation process formed oxygencontaining functional groups and converted the self-co… Show more
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